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Topic :: Device
(1) Instrument is a device for determining (a) the magnitude of a quantity (b) the physics of a variable (c) either of the above (d) both (a) and (b) (2) Electronic instruments are preferred because they have (a) no indicating part (b) low resistance in parallel circuit (c) very fast response (d) high resistance in series circuit (e) no passive elements. (3) A DC wattmeter essentially consist of (a) two ammeters (b) two voltmeters (c) a voltmeter and an ammeter (d) a current and potential transformer (4) Decibel is a unit of (a) power (b) impedance (c) frequency (d) power ratio (5) A dc voltmeter may be used directly to measure (a) frequency (b) polarity (c) power factor (d)power (6) An accurate voltmeter must have an internal impedance of (a) very low value (b) low value (c) medium value (d) very high value (7) The insulation resistance of a transformer winding can be easily measured with (a) Wheatstone bridge (b) megger (c) Kelvin bridge (d) voltmeter (8) A 100 V voltmeter has full-scale accuracy of 5%. At its reading of 50 V it will give an error of (a) 10% (b) 5% (c) 2.5% (d) 1.25% (9) You are required to check the p. f. of an electric load. No p.f. meter is available. You would use: (a) a wattmeter (b) a ammeter, a voltmeter and a wattmeter (c) a voltmeter and a ammeter (d) a kWh meter (10) The resistance of a field coil may be correctly measured by using (a) a voltmeter and an ammeter (b) Schering bridge (c) a Kelvin double bridge (d) a Maxwell bridge (11) An analog instrument has output (a) Pulsating in nature (b) Sinusoidal in nature (c) Which is continuous function of time and bears a constant relation to its input (d) Independent of the input quantity (12) Basic charge measuring instrument is (a) Duddel's oscillograph (b) Cathode ray oscillograph (c) Vibration Galvanometer (d) Bailastic Galvanometer (e) Battery Charging equipment (13) A.C. voltage can be measured (using a d.c. instrument) as a value obtained (a) by subtracting the d.c. reading from it's a.c. reading. (b) Using the output function of the multimeter (c) By using a suitable inductor in series with it (d) By using a parallel capacitor with it (e) None of the above (14) A moving coil permanent magnet ammeter can be used to measure (a) D. C. current only (b) A. C. current only (c) A. C. and D. C. currents (d) voltage by incorporating a shunt resistance (e) none of these (15) Select the wrong statement (a) the internal resistance of the voltmeter must be high (b) the internal resistance of ammeter must be low (c) the poor overload capacity is the main disadvantage of hot wires instrument (d) the check continuity with multimeter, the highest range should be used. (e) In moving iron voltmeter, frequency compensation is achieved by connecting a capacitor across its fixed coil. (16) Which of the following instrument is suitable for measuring both a.c. and d.c. quantities. (a) permanent magnet moving coil ammeter. (b) Induction type ammeter. (c) Quadrant electrometer. (d) Moving iron repulsion type ammeter. (e) Moving iron attraction type voltmeter. (17) Swamping resistance is used in moving coil instruments to reduce error due to (a) thermal EMF (b) temperature (c) power taken by the instrument (d) galvanometer sensitivity. (18) A power factor meter is based on the principle of (a) electrostatic instrument (b) Electrodynamometer instrument (c) Electro thermo type instrument (d) Rectifier type instrument. (19) A potentiometer recorder is used for (a) AC singles (b) DC signals (c) both (a) and (b) (d) time varying signals (e) none of these. (20) Transformers used in conjunction with measuring instruments for measuring purposes are called (a) Measuring transformers (b) transformer meters (c) power transformers (d) instrument transformers (e) pulse transformers. (21) Leakage flux in an electrical machine is measure by (a) Ballistic galvanometer (b) Flux meter (c) Either (a) or (b) (d) Vibration galvanometer (e) CRO (22) A C.R.O. is used to indicate (a) supply waveform (b) magnitude of the applied voltage (c) B.H. loop (d) all of these (e) Magnitude of the current flowing in it. (23) An oscillator is a (a) an amplifier having feedback network (b) a high gain amplifier (c) a wide band amplifier (d) a untuned amplifier (e) None of these (24) Distortion can be measured by (a) Wave meter (b) Digital filters (c) Wein bridge circuit (d) Bridge T filter circuit (25) Series connected Q- meter is preferable for measurement of components having (a) high impedance (b) low impedance (c) both (a) and (b) (d) high frequency (e) low capacitance (26) A potentiometer is (a) an active transducer (b) a passive transducer (c) a secondary transducer (d) a digital transducer (e) a current sensing transducer (27) The basic components of a digital voltmeter are: (a) A/D converter and a counter (b) A/D converted and a rectifier (c) D/A converter and a counter (d) Ramp generator and counter (e) Comparator (28) Which of the following electrical equipment cannot convert ac into dc (a) diode (b) converter (c) transformer (d) mercury arc rectifier (29) Voltage measurement are often taken by using either a voltmeter or (a) an ammeter (b) an ohmmeter (c) an oscillator (d) a watt-meter (30)The electric device which blocks DC but allows AC is called: (a) capacitance (b) inductor (c) an oscilloscope (d) a watt-meter (31 ) The range of an ammeter can be extended by using a (a) shunt in series (b) shunt in parallel (c) multiplier in series (d) multiplier in parallel (32)A device that changes one form of energy to another is called (a) rheostat (b) oscillator (c) transducer (d) varicap (33) Aquadag is used in CRO to collect (a) primary electron (b) secondary electron (c) both primary and secondary (d) none of above (34) A vertical amplifier for CRO can be designed for (a) only a high gain (b) only a broad bandwidth (c) a constant gain time bandwidth product (d)all of the above (35) One of the following is active transducer (a) Strain gauge (b) Selsyn (c) Photovoltic cell (d) Photo emissive cell (36) The dynamic characteristics of capacitive transducer are similar to those of (a) low pass filter (b) high pass filter (c) band pass filter (d) band stop filter (37) Thermocouples are (a) passive transducers (b) active transducers (c) both active and passive transducers (d) output transducers (38) The size of air cored transducers as compare to iron core counter part are (a) bigger (b) smaller (c) same (39) From the point of view of safety, the resistance of earthing electrode should be: (a) low (b) high (c) medium (d) the value of resistance of electrode does not effect the safety (40) In CRT the focusing anode is located (a) between pre accelerating and accelerating anodes (b) after accelerating anodes (c) before pre accelerating anodes (d) none of above (41) Which transducer converts heat energy into electrical energy (a) I. V. D. T. (b) thermocouple (c) photoconductor (d) none of the above (42) Which of photoelectric transducer is used for production of electric energy by converting solar energy (a) photo emission cell (b) photo diode (c) photo transistor (d) both (b) and (c) (43) Which of the following instruments consumes maximum power during measurement? (a) induction instruments (b) hot wire instruments (c) thermocouple instruments (d) electrodynamometer instruments (44) Which of the following meters has the best accurancy (a) moving iron meter (b) moving coil meter (c) rectifier type meter (d) thermocouple meter (45) The function of the safety resistor in ohm meter is to (a) limit the current in the coil (b) increase the voltage drop across the coil (c) increase the current in the coil (d) protect the battery (46) Which of the following instruments is free from hysteresis and eddy current losses? (a) M.l. instrument (b) electrostatic instrument (c) electrodynamometer type instrument (d)all of these (47) The dielectric loss of a capacitance can be measured by (a) Wien bridge (b) Owen bridge (c) Schering bridge (d) Maxwell bridge (48) Reed frequency meter is essentially a (a) recording system (b) deflection measuring system (c) vibration measuring system (d) oscillatory measuring system (49) In measurements made using a Q meter, high impedance elements should preferably be connected in (a) star (b) delta (c) series (d) parallel (50) A digital voltmeter measures (a) peak value (b) peak-to-peak value (c) rms value (d) average value
2 25395(1) Instrument is a device for determining (a) the magnitude of a quantity (b) the physics of a variable (c) either of the above (d) both (a) and (b) (2) Electronic instruments are preferred because they have (a) no indicating part (b) low resistance in parallel circuit (c) very fast response (d) high resistance in series circuit (e) no passive elements. (3) A DC wattmeter essentially consist of (a) two ammeters (b) two voltmeters (c) a voltmeter and an ammeter (d) a current and potential transformer (4) Decibel is a unit of (a) power (b) impedance (c) frequency (d) power ratio (5) A dc voltmeter may be used directly to measure (a) frequency (b) polarity (c) power factor (d)power (6) An accurate voltmeter must have an internal impedance of (a) very low value (b) low value (c) medium value (d) very high value (7) The insulation resistance of a transformer winding can be easily measured with (a) Wheatstone bridge (b) megger (c) Kelvin bridge (d) voltmeter (8) A 100 V voltmeter has full-scale accuracy of 5%. At its reading of 50 V it will give an error of (a) 10% (b) 5% (c) 2.5% (d) 1.25% (9) You are required to check the p. f. of an electric load. No p.f. meter is available. You would use: (a) a wattmeter (b) a ammeter, a voltmeter and a wattmeter (c) a voltmeter and a ammeter (d) a kWh meter (10) The resistance of a field coil may be correctly measured by using (a) a voltmeter and an ammeter (b) Schering bridge (c) a Kelvin double bridge (d) a Maxwell bridge (11) An analog instrument has output (a) Pulsating in nature (b) Sinusoidal in nature (c) Which is continuous function of time and bears a constant relation to its input (d) Independent of the input quantity (12) Basic charge measuring instrument is (a) Duddel's oscillograph (b) Cathode ray oscillograph (c) Vibration Galvanometer (d) Bailastic Galvanometer (e) Battery Charging equipment (13) A.C. voltage can be measured (using a d.c. instrument) as a value obtained (a) by subtracting the d.c. reading from it's a.c. reading. (b) Using the output function of the multimeter (c) By using a suitable inductor in series with it (d) By using a parallel capacitor with it (e) None of the above (14) A moving coil permanent magnet ammeter can be used to measure (a) D. C. current only (b) A. C. current only (c) A. C. and D. C. currents (d) voltage by incorporating a shunt resistance (e) none of these (15) Select the wrong statement (a) the internal resistance of the voltmeter must be high (b) the internal resistance of ammeter must be low (c) the poor overload capacity is the main disadvantage of hot wires instrument (d) the check continuity with multimeter, the highest range should be used. (e) In moving iron voltmeter, frequency compensation is achieved by connecting a capacitor across its fixed coil. (16) Which of the following instrument is suitable for measuring both a.c. and d.c. quantities. (a) permanent magnet moving coil ammeter. (b) Induction type ammeter. (c) Quadrant electrometer. (d) Moving iron repulsion type ammeter. (e) Moving iron attraction type voltmeter. (17) Swamping resistance is used in moving coil instruments to reduce error due to (a) thermal EMF (b) temperature (c) power taken by the instrument (d) galvanometer sensitivity. (18) A power factor meter is based on the principle of (a) electrostatic instrument (b) Electrodynamometer instrument (c) Electro thermo type instrument (d) Rectifier type instrument. (19) A potentiometer recorder is used for (a) AC singles (b) DC signals (c) both (a) and (b) (d) time varying signals (e) none of these. (20) Transformers used in conjunction with measuring instruments for measuring purposes are called (a) Measuring transformers (b) transformer meters (c) power transformers (d) instrument transformers (e) pulse transformers. (21) Leakage flux in an electrical machine is measure by (a) Ballistic galvanometer (b) Flux meter (c) Either (a) or (b) (d) Vibration galvanometer (e) CRO (22) A C.R.O. is used to indicate (a) supply waveform (b) magnitude of the applied voltage (c) B.H. loop (d) all of these (e) Magnitude of the current flowing in it. (23) An oscillator is a (a) an amplifier having feedback network (b) a high gain amplifier (c) a wide band amplifier (d) a untuned amplifier (e) None of these (24) Distortion can be measured by (a) Wave meter (b) Digital filters (c) Wein bridge circuit (d) Bridge T filter circuit (25) Series connected Q- meter is preferable for measurement of components having (a) high impedance (b) low impedance (c) both (a) and (b) (d) high frequency (e) low capacitance (26) A potentiometer is (a) an active transducer (b) a passive transducer (c) a secondary transducer (d) a digital transducer (e) a current sensing transducer (27) The basic components of a digital voltmeter are: (a) A/D converter and a counter (b) A/D converted and a rectifier (c) D/A converter and a counter (d) Ramp generator and counter (e) Comparator (28) Which of the following electrical equipment cannot convert ac into dc (a) diode (b) converter (c) transformer (d) mercury arc rectifier (29) Voltage measurement are often taken by using either a voltmeter or (a) an ammeter (b) an ohmmeter (c) an oscillator (d) a watt-meter (30)The electric device which blocks DC but allows AC is called: (a) capacitance (b) inductor (c) an oscilloscope (d) a watt-meter (31 ) The range of an ammeter can be extended by using a (a) shunt in series (b) shunt in parallel (c) multiplier in series (d) multiplier in parallel (32)A device that changes one form of energy to another is called (a) rheostat (b) oscillator (c) transducer (d) varicap (33) Aquadag is used in CRO to collect (a) primary electron (b) secondary electron (c) both primary and secondary (d) none of above (34) A vertical amplifier for CRO can be designed for (a) only a high gain (b) only a broad bandwidth (c) a constant gain time bandwidth product (d)all of the above (35) One of the following is active transducer (a) Strain gauge (b) Selsyn (c) Photovoltic cell (d) Photo emissive cell (36) The dynamic characteristics of capacitive transducer are similar to those of (a) low pass filter (b) high pass filter (c) band pass filter (d) band stop filter (37) Thermocouples are (a) passive transducers (b) active transducers (c) both active and passive transducers (d) output transducers (38) The size of air cored transducers as compare to iron core counter part are (a) bigger (b) smaller (c) same (39) From the point of view of safety, the resistance of earthing electrode should be: (a) low (b) high (c) medium (d) the value of resistance of electrode does not effect the safety (40) In CRT the focusing anode is located (a) between pre accelerating and accelerating anodes (b) after accelerating anodes (c) before pre accelerating anodes (d) none of above (41) Which transducer converts heat energy into electrical energy (a) I. V. D. T. (b) thermocouple (c) photoconductor (d) none of the above (42) Which of photoelectric transducer is used for production of electric energy by converting solar energy (a) photo emission cell (b) photo diode (c) photo transistor (d) both (b) and (c) (43) Which of the following instruments consumes maximum power during measurement? (a) induction instruments (b) hot wire instruments (c) thermocouple instruments (d) electrodynamometer instruments (44) Which of the following meters has the best accurancy (a) moving iron meter (b) moving coil meter (c) rectifier type meter (d) thermocouple meter (45) The function of the safety resistor in ohm meter is to (a) limit the current in the coil (b) increase the voltage drop across the coil (c) increase the current in the coil (d) protect the battery (46) Which of the following instruments is free from hysteresis and eddy current losses? (a) M.l. instrument (b) electrostatic instrument (c) electrodynamometer type instrument (d)all of these (47) The dielectric loss of a capacitance can be measured by (a) Wien bridge (b) Owen bridge (c) Schering bridge (d) Maxwell bridge (48) Reed frequency meter is essentially a (a) recording system (b) deflection measuring system (c) vibration measuring system (d) oscillatory measuring system (49) In measurements made using a Q meter, high impedance elements should preferably be connected in (a) star (b) delta (c) series (d) parallel (50) A digital voltmeter measures (a) peak value (b) peak-to-peak value (c) rms value (d) average value
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3310what are the documentation and instrument identification system used to identify the correct device to be calibrated? name atleast three.
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Device an algorithm for weiler-atherton polygon clipping, where the clipping window can be any specified polygon
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Question 1 A low-level format received by a floppy disk does what? a. Adds a root directory b. Includes a FAT (File Allocation Table) c. Stores 720K d. Creates a structure of sectors, tracks, & cluster. Question 2 A user is complaining of problems. You find that upon startup, the IBM machine give two beeps alerting you to a POST error. Error code 301 shows. What is wrong with this machine? a. There is a monitor error. b. There is a keyboard error. c. This is not a POST error. Two beeps indicates a motherboard error. d. There is a serial card error. Question 3 What is this an example of? A. A 30-pin SIMM B. A 72-pin SIMM C. A 168-pin DIMM D. C-RIMM Question 4 Bridges are capable of which? a. Expanding the length of a network segment. b. Acting as a firewall. c. Segmenting networks. d. Communication of computers on a LAN. Question 5 Which is true of a female DB 15-pin video port? a. It has 2 rows of 5 pinholes. b. It has 3 rows of 5 pinholes. c. It has one row of 8 pinholes and one row of 7 pinholes d. It has one row of 6 pinholes and one row of 9 pinholes Question 6 You have just installed two hard drives into the same machine. One is set up as the slave and both are on the same IDE channel. You notice that the drive's LED light is constantly lit on the slave drive. What do you need to do to fix this? a. Troubleshoot the slave drive by reconfiguring the slave to be the master, removing the original master drive, then rebooting. b. Disable the secondary controller in the BIOS. c. Manually enter the drive settings on the BIOS. d. Install more memory. Question 7 SVGA and Ultra VGA are two distinct video standards. True or False? a. True. b. False. Question 8 SVGA is represented by all of the following resolutions except: a. 1600 x 1200 b. 800 x 600 c. 640 x 480 d. 1280 x 1024 Question 9 Which is true of an Active Matrix LCD? a. The LCD is divided into two halves. b. The LCD is divided into two halves. c. Each pixel is constantly refreshed. d. The pixels are fixed. e. It uses more electricity. f. None of the above. Question 10 What are the correct stages and order of the EP laser printing process? a. Cleaning, Writing, Conditioning, Developing, Fusing, Transferring, and End of Cycle b. Cleaning, Conditioning, Writing, Developing, Transferring, Fusing, & End of Cycle c. Erasing, Writing, Heating, Developing, Fusing, Transferring, & End of Cycle d. Conditioning, Erasing, Writing, Developing, Fusing, Transferring, & End of Cycle Question 11 Choose the correct associations (pick 2). a. 802.4 – Internetworking b. 802.6 - Metropolitan area network c. 802.9 - Integrated voice and data networks d. 802. 11 - Token ring LAN Question 12 What is the function of a Layer 2 switch ? a. forwards data based on logical addressing b. duplicates the electrical signal of each frame to every port c. learns the port assigned to a host by examining the destination MAC address d. determines which interface is used to forward a frame based on the destination MAC address. Question 13 An administrator would like to connect ten workstations on a 192.168.0.0/24 network. The device selected by the administrator must allow connectivity between hosts without sharing bandwidth. Which device would be appropriate? a. Hub b. Router c. Switch d. Repeater Question 14 Which devices are primarily used to extend cable segments within a collision domain by regenerating the data signals? (Choose two.) a. switch b. repeater c. router d. bridge e. hub Question 15 Which networking devices use the MAC address to make forwarding decisions? (Choose two.) a. NIC b. bridge c. hub d. switch e. repeater Software : 1. Briefly describe the data type conversion feature of Oracle SQL and PL/SQL. 2. What is INDEX? Describe its benefits. 3. Write down the name of five most popular RDBMS. 4. What is UML? Write some Diagram name. 5. What is HTML and XML? 6. What is CSS and AJAX and their benefits? 7. What is software quality assurance? 8. Describe components of a typical test plan? 9. What is the difference between QC and QA? 10. What is Verification and Validation? 11. What diff b/w black box and white box testing? 12. What is the difference between System Testing, Integration Testing & System Integration Testing? ATI Limited Question Paper Duration Time : 1 Hour and 30 Minutes Question 1 A low-level format received by a floppy disk does what? a. Adds a root directory b. Includes a FAT (File Allocation Table) c. Stores 720K d. Creates a structure of sectors, tracks, & cluster. Question 2 A user is complaining of problems. You find that upon startup, the IBM machine give two beeps alerting you to a POST error. Error code 301 shows. What is wrong with this machine? a. There is a monitor error. b. There is a keyboard error. c. This is not a POST error. Two beeps indicates a motherboard error. d. There is a serial card error. Question 3 What is this an example of? A. A 30-pin SIMM B. A 72-pin SIMM C. A 168-pin DIMM D. C-RIMM Question 4 Bridges are capable of which? a. Expanding the length of a network segment. b. Acting as a firewall. c. Segmenting networks. d. Communication of computers on a LAN. Question 5 Which is true of a female DB 15-pin video port? a. It has 2 rows of 5 pinholes. b. It has 3 rows of 5 pinholes. c. It has one row of 8 pinholes and one row of 7 pinholes d. It has one row of 6 pinholes and one row of 9 pinholes Question 6 You have just installed two hard drives into the same machine. One is set up as the slave and both are on the same IDE channel. You notice that the drive's LED light is constantly lit on the slave drive. What do you need to do to fix this? a. Troubleshoot the slave drive by reconfiguring the slave to be the master, removing the original master drive, then rebooting. b. Disable the secondary controller in the BIOS. c. Manually enter the drive settings on the BIOS. d. Install more memory. Question 7 SVGA and Ultra VGA are two distinct video standards. True or False? a. True. b. False. Question 8 SVGA is represented by all of the following resolutions except: a. 1600 x 1200 b. 800 x 600 c. 640 x 480 d. 1280 x 1024 Question 9 Which is true of an Active Matrix LCD? a. The LCD is divided into two halves. b. The LCD is divided into two halves. c. Each pixel is constantly refreshed. d. The pixels are fixed. e. It uses more electricity. f. None of the above. Question 10 What are the correct stages and order of the EP laser printing process? a. Cleaning, Writing, Conditioning, Developing, Fusing, Transferring, and End of Cycle b. Cleaning, Conditioning, Writing, Developing, Transferring, Fusing, & End of Cycle c. Erasing, Writing, Heating, Developing, Fusing, Transferring, & End of Cycle d. Conditioning, Erasing, Writing, Developing, Fusing, Transferring, & End of Cycle Question 11 Choose the correct associations (pick 2). a. 802.4 – Internetworking b. 802.6 - Metropolitan area network c. 802.9 - Integrated voice and data networks d. 802. 11 - Token ring LAN Question 12 What is the function of a Layer 2 switch ? a. forwards data based on logical addressing b. duplicates the electrical signal of each frame to every port c. learns the port assigned to a host by examining the destination MAC address d. determines which interface is used to forward a frame based on the destination MAC address. Question 13 An administrator would like to connect ten workstations on a 192.168.0.0/24 network. The device selected by the administrator must allow connectivity between hosts without sharing bandwidth. Which device would be appropriate? a. Hub b. Router c. Switch d. Repeater Question 14 Which devices are primarily used to extend cable segments within a collision domain by regenerating the data signals? (Choose two.) a. switch b. repeater c. router d. bridge e. hub Question 15 Which networking devices use the MAC address to make forwarding decisions? (Choose two.) a. NIC b. bridge c. hub d. switch e. repeater Software : 1. Briefly describe the data type conversion feature of Oracle SQL and PL/SQL. 2. What is INDEX? Describe its benefits. 3. Write down the name of five most popular RDBMS. 4. What is UML? Write some Diagram name. 5. What is HTML and XML? 6. What is CSS and AJAX and their benefits? 7. What is software quality assurance? 8. Describe components of a typical test plan? 9. What is the difference between QC and QA? 10. What is Verification and Validation? 11. What diff b/w black box and white box testing? 12. What is the difference between System Testing, Integration Testing & System Integration Testing?
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Which type of devicesa used for detection of radio active field in side the reactor building?
