what is the Analog signal and what is the Digital signal

4 Answers  

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send me last 5 years questions asked in rrb chennai, for section engineer

0 Answers   RRB,

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2. What is ultrasonic flowmeter?

1 Answers  

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What unit is used for measuring comp. outlet flow. it is CFM, M3/hr or NM3/hr. ?

5 Answers   Jk Tyres,

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Close loop and open loop diagram for instrumentation

1 Answers   Petron ltd,

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which type signal come control valve

6 Answers  

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What is difference between converter & transducers?

4 Answers  

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Tyes of interface level measurement and how to use that technique for interface level measurement,

0 Answers  

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why we use -ve voltage in vibration monitoring system.generally we use 4 to 20 mA as output of instrument then why we use voltage in vibration

2 Answers  

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Why trim span ? How?

0 Answers  

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if a dp transmitter has range 100 in H2O and flow is 20mmcf and if the flow is changed to 25 mmcf then what is the formula to determine new range of transmitter

1 Answers   TATA,

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what is Micro-switch and where it is used......?

7 Answers  

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