Railway Recruitment Board (Bangalore) Supervisor (P-Way) Recruitment Exam May

Railway Recruitment Board (Bangalore)
Supervisor (P-Way) Recruitment Exam
May 2004 Question Papers

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Railway Recruitment Board (Bangalore) Supervisor (P-Way) Recruitment Exam May 2004 Question Papers..

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Railway Recruitment Board (Bangalore)
Supervisor (P-Way) Recruitment Exam
May 2004 Question Papers

1. A motor converts
(1) Electrical energy into kinetic energy
(2) Kinetic energy into electrical energy
(3) Electrical energy into magnetic energy
(4) Solar energy into electrical energy
Ans: ( 1 ) Electrical energy into kinetic energy

2. A dynamo produces 0.5 Ampere at 6 volts. Produced power
exerted in watts is
(1) 3
(2) 12
(3) 0.083
(4) None of these
Ans: ( 1 ) 3

3. When electric current passes through any conductor, then
its temperature
(1) Increases
(2) Decreases
(3) Remains same
(4) Depends upon conductor
Ans: ( 2 ) Decreases

4. On the same voltage, the resistance of the filament of
the bulbs of 200 watt and 100 watt are R1 and R2, then
(1) The value of R1 is twice that of R2
(2) The value of R2 is four times the value of R1
(3) The value of R1 is four times that of R2
(4) The value of R2 is twice that of R1
Ans: ( 4 ) The value of R2 is twice that of R1

5. Which of the following statements are correct for Ohm?s Law?
(1) Electric current across the conductor and the multiple
of the potential difference of conductor indicate resistance
(2) The ratio of potential difference of conductor and
electric current across the conductor is always constant
(3) If all the physical states are constant, then potential
difference across the conductor is directly proportional to
its passing electric current
(4) If all the physical states are constant, then the
potential difference across any matter which conducts
electricity is inversely proportional to its flowing current
Ans: ( 3 ) If all the physical states are constant, then
potential difference across the conductor is directly
proportional to its passing electric current

6. A wire of resistance 10 ohms is drawn out to three times
its original length. The new resistance will be
(1) 90 ohm
(2) 10 ohm
(3) 30 ohm
(4) 120 ohm
Ans: ( 1 ) 90 ohm

7. Electromagnetic radiation of the highest frequency is
(1) -rays
(2) x-rays
(3) Radio waves
(4) Infrared waves
Ans: ( 1 ) -rays

8. One of the simplest applications of a diode is in
(1) Amplification
(2) Detection of microwaves
(3) Modulation of signals
(4) Rectification
Ans: ( 3 ) Modulation of signals

9. Ornamental granite stone is found in the district of
(1) Gulbarga
(2) Uttara Kannada
(3) Kodagu
(4) Mysore
Ans: ( 4 ) Mysore

10. The critical mass of a nuclear reaction is
(1) The initial mass to start a nuclear fission
(2) The minimum mass for the chain reaction
(3) The size of the reactor core
(4) The size of the reactor core + size of the moderator
Ans: ( 1 ) The initial mass to start a nuclear fission

11. The speed of electro-magnetic radiation in a vacuum
(1) Increases from radio rays to -rays
(2) Decreases from radio rays to -rays
(3) Depends upon the source of the radiation
(4) Is equal for all factors or elements
Ans: ( 4 ) Is equal for all factors or elements

12. A longitudinal wave is made, when
(1) Two stationary waves equal frequency and amplitude meet
in opposite directions
(2) Two stationary waves of equal frequency and amplitude
meet in the same direction
(3) Two stationary waves of equal frequency but different
amplitudes meet in opposite directions
(4) Two stationary waves of equal amplitude but different
frequency meet in opposite directions
Ans: ( 2 ) Two stationary waves of equal frequency and
amplitude meet in the same direction

13. In order to move one unit of positive charge from one
point to another on the same potential surface
(1) Work is done through the charge
(2) Work is done on the charge
(3) No work is done
(4) The work done is fixed
Ans: ( 3 ) No work is done

14. Which of the following can explain the echo produced
through sound waves?
(1) Shifting
(2) Refraction
(3) Reflection
(4) Dispersion
Ans: ( 3 ) Reflection

15. Decibel is defined in terms of
(1) voltage level
(2) power ratio
(3) current level
(4) None of these
Ans: ( 4 ) None of these

16. A load cell is a
(1) Photo-voltaic cell
(2) Strain gauge
(3) Thermistor
(4) Pressure gauge
Ans: ( 4 ) Pressure gauge

17. A D.C. series motor should
(1) always be run at constant speed
(2) always be started on load
(3) not be used where starting torque is high
(4) None of these
Ans: ( 3 ) not be used where starting torque is high

18. One horse power is equal to
(1) 1000 watts
(2) 750 watts
(3) 746 watts
(4) 500 watts
Ans: ( 3 ) 746 watts

19. Actual power from a compression ignition engine is
delivered during
(1) Compression stroke
(2) Expansion stroke
(3) Suction stroke
(4) None of these
Ans: ( 2 ) Expansion stroke

20. A bolt has a hexagonal slot. Which tool is suited for
turning the bolt?
(1) Box spanner
(2) Philips screw driver
(3) Allen key
(4) Torque wrench
Ans: ( 4 ) Torque wrench

21. Cable used for a cable TV network is
(1) Twisted cable
(2) Co-axial cable
(3) UTP cable
(4) None of these
Ans: ( 2 ) Co-axial cable

22. A wire of resistance 24 ohms is bent in the form of a
circular ring. The effective resistance between the two
points on any diameter of the circle is
(1) 24 ohms
(2) 12 ohms
(3) 6 ohms
(4) 3 ohms
Ans: ( 2 ) 12 ohms

23. Distortion caused on a telephone line by on adjacent
telephone line is called
(1) Inductive disturbance
(2) Cross-talk
(3) Cross fire
(4) Transposition
Ans: ( 1 ) Inductive disturbance

24. A short initializing programme of a P.C. is called
(1) Main programme
(2) Sub-routine
(3) Boot programme
(4) Branch
Ans: ( 3 ) Boot programme

25. Optical fibres are used for communication in LASER because
(1) Interference is produced by other lasers
(2) They ensure that the beam does not scatter
(3) They produce atmospheric interference
(4) None of these
Ans: ( 2 ) They ensure that the beam does not scatter

26. In a pneumatic control system, the medium used is
(1) Liquid
(2) Oil
(3) Wind
(4) Hydrogen
Ans: ( 2 ) Oil

27 In a Binary System the decimal number 15 is written in
which of these forms ?
(1) 1110
(2) 1100
(3) 1111
(4) 1001
Ans: ( 3 ) 1111

28. L.V.D.T
(1) enables measurement of temperature
(2) helps in converting linear movement into electric signal
(3) transforming electric signal in linear motion
(4) can be used to identify angular displacement
Ans: ( 3 ) transforming electric signal in linear motion

29. What is ?ROM? associated with computers ?
(1) Random only memory
(2) Repeat only memory
(3) Read only memory
(4) Rate of memory
Ans: ( 3 ) Read only memory

30. Two binary numbers 1000 and 1101 will have their sum
total in the decimal form as
(1) 18
(2) 21
(3) 19
(4) 22
Ans: ( 2 ) 21

31. Which of these helps in converting A.C. high voltage to
low voltage or its opposite?
(1) Transistor
(2) Transformer
(3) Computater
(4) Accumulator
Ans: ( 2 ) Transformer

32. A P-type semiconductor will be rich in
(1) Electrons
(2) Holes
(3) Holes and electrons
(4) None of these
Ans: ( 2 ) Holes

33. Which of the following electromagnetic waves has longest
wavelength?
(1) Infra-red
(2) Light-rays
(3) Ultra-violet
(4) Gamma rays
Ans: ( 3 ) Ultra-violet

34. Rockets and jets work on the principle of
(1) Newton?s first law
(2) Newton?s third law
(3) Newton?s second law
(4) Pascal?s law
Ans: ( 2 ) Newton?s third law

35. Lightning conductors are made of
(1) Iron
(2) Copper
(3) Steel
(4) Chromium
Ans: ( 2 ) Copper

36. Ramesh borrowed Rs. 500 for buying to buffalo from bank
at 10% per annuam simple interest. After 3 years he
settled the account. What amount did he pay?
(1) Rs. 600
(2) Rs. 650
(3) Rs. 700
(4) None of these
Ans: ( 2 ) Rs. 650

37. If 15% of 40% of a number is 6, then the number is
(1) 15
(2) 20
(3) 1000
(4) None of these
Ans: ( 4 ) None of these

38. An article is marked 20% above cost price. The
shop-keeper allows a discount of 10% on it. What is his
gain or loss percent?
(1) 10%
(2) 8%
(3) 9%
(4) None of these
Ans: ( 2 ) 8%

39. In term of percentage 26 is how much more than 20?
(1) 25%
(2) 20%
(3) 28%
(4) None of these
Ans: ( 3 ) 28%

40. Successive discounts of 10% and 20% are equivalent to a
single discount of
(1) 25%
(2) 20%
(3) 28%
(4) None of these
Ans: ( 3 ) 28%

41. A number of two digits has 3 for its units digit and sum
of the digits is 1/7 of the number itself. The number is
(1) 93
(2) 63
(3) 73
(4) 43
Ans: ( 2 ) 63

42. A train covers a distance of 713 km in 11 hours and 30
minutes. The speed of the train in km/hr is
(1) 75
(2) 55
(3) 62
(4) 52
Ans: ( 3 ) 62

43. Six men A, B, C, D, E and F are standing in a circle.
B is in between F and C, A between E and D, and F is
standing left of D. Who is between A and F?
(1) C
(2) B
(3) D
(4) E
Ans: ( 3 ) D

44. When one-fourth of a number is subtracted from one-third
of the same number 12 is obtained. The number is
(1) 63
(2) 72
(3) 120
(4) 144
Ans: ( 4 ) 144

45. What will be the next number in the series 786, 686, 586
???.?
(1) 386
(2) 686
(3) 486
(4) 586
Ans: ( 3 ) 486

46. The selling price of 4 chairs is equal to the cost price
of 5 chairs. The profit percent is
(1) 20%
(2) 30%
(3) 25%
(4) 35%
Ans: ( 3 ) 25%

47. Looking into a mirror, the clock shows 9.30 as the time.
The actual time is
(1) 4.30
(2) 2.30
(3) 3.30
(4) 6.30
Ans: ( 2 ) 2.30

48. Richter Scale is used to measure
(1) Temperature of the body
(2) Intensity of wind
(3) Earthquakes
(4) Ocean depth
Ans: ( 3 ) Earthquakes

49. Which of the following crops help in nitrogen fixation?
(1) Maize
(2) Beans
(3) Wheat
(4) Rice
Ans: ( 2 ) Beans

50. Chandragupta Maurya embraced Jainism in the 3rd century
B.C. at
(1) Magdh
(2) Jaisalmer
(3) Shravanabelagola
(4) Pataliputra
Ans: ( 3 ) Shravanabelagola

51. It is not advisable to sleep under a tree at night
because of the
(1) Release of carbon monoxide
(2) Release of oxygen in larger amount
(3) Release of carbon dioxide
(4) Release of oxygen in lesser amount
Ans: ( 3 ) Release of carbon dioxide

52. Pt. Bhimsen Joshi is associated with
(1) Karnatic Music
(2) Hindustani
(3) Violin
(4) Tabla
Ans: ( 2 ) Hindustani

53. The first month of the Saka calendar is
(1) Vaisakha
(2) Magh
(3) Chaitra
(4) Bhadrapad
Ans: ( 3 ) Chaitra

54. Cauvery river flows through
(1) Tamil Nadu and Kerala
(2) Andhra Pradesh and kerala
(3) Karnataka and Tamil Nadu
(4) Karnataka and Kerala
Ans: ( 3 ) Karnataka and Tamil Nadu

55. Dr. C.V. Raman was awarded Nobel Prize in
(1) Medicine
(2) Physics
(3) Literature
(4) Chemistry
Ans: ( 2 ) Physics

56. Which one of the following is cultivated by
transplanting seedlings?
(1) Sorghum
(2) Onion
(3) Maize
(4) Soyabean
Ans: ( 2 ) Onion

57. Which one of the following is not a natural source of
energy?
(1) Wood
(2) Sun
(3) Electricity
(4) Coal
Ans: ( 3 ) Electricity

58. Kunakudi Vaidyanathan is associated with
(1) Veena
(2) Violin
(3) Guitar
(4) Tabla
Ans: ( 2 ) Violin

59. Which of the following controls the quantity of sugar in
the body and is secreted by pancreas?
(1) Vitamin
(2) Rennin
(3) Insulin
(4) Creatin
Ans: ( 3 ) Insulin

60. Gokak Falls is situated in which district ?
(1) Dharwad
(2) Raichur
(3) Belagavi
(4) Bidar
Ans: ( 3 ) Belagavi

61. Famous sanctuary Ranganthittu is near
(1) Bharatpur
(2) Secunderabad
(3) Mysore
(4) Chennai
Ans: ( 1 ) Bharatpur

62. Total number of zones of Indian Railways is
(1) 9
(2) 16
(3) 17
(4) 15
Ans: ( 2 ) 16

63. Belur is situated on the bank of which river?
(1) Cauvery
(2) Yegachi
(3) Yamuna
(4) None of these
Ans: ( 4 ) None of these

64. Where in the sands is buried a Shiva Temple?
(1) Bangalore
(2) Jaisalmer
(3) Talakadu
(4) None of these
Ans: ( 3 ) Talakadu

65. Agumbe is known as Cherrapunji of the south, and is in
(1) Chennai
(2) Shimoga
(3) Mysore
(4) None of these
Ans: ( 2 ) Shimoga

66. Karnataka State Song ?Jai Bharat Jananiye Tanujate? has
been written by
(1) V.K. Gokak
(2) Kuvempu
(3) Girish Karnad
(4) None of these
Ans: ( 2 ) Kuvempu

67. Who is lovingly called Annavaru?, which means loving
elder brother?
(1) Sri S.M. Krishna
(2) Dr. Raj Kumar
(3) Sri C. Wodayer
(4) None of these
Ans: ( 2 ) Dr. Raj Kumar

68. The cube roots of 1 are in
(1) A.P.
(2) G.P.
(3) H.P.
(4) None of these
Ans: ( 2 ) G.P.

69. If a, a ? 2, 3a are in A.P., then is
(1) 2
(2) ?2
(3) 3
(4) ?3
Ans: ( 2 ) ?2

70. The first, second and last terms of an A.P. are 4, 7 and
31 respectively, then
(1) the third term is 15
(2) the no. of terms is 10
(3) the sum of the terms is 155
(4) None of these
Ans: ( 2 ) the no. of terms is 10

71. How many committees of 5 members can be formed from 6
gentlemen and 4 ladies?
(1) 120
(2) 252
(3) 10P5
(4) 10C5
Ans: ( 2 ) 252

72. If w is the cubic root of the unit and n, a multiple of
3, then 1 + wn +2wn is equal to
(1) 3
(2) 2
(3) 1
(4) 0
Ans: ( 1 ) 3

73. The equation of the tangent to the circle x2 + y2 + 2gx
+ 2fy + c = 0 at the origin is
(1) x = 0
(2) y = 0
(3) fx + gy = 0
(4) gx + fy = 0
Ans: ( 4 ) gx + fy = 0

74. The solution of the diferential equation cos x cos y
dx + sin x sin y dy = 0 is
(1) tan x = c
(2) sec x ? sec y = c
(3) sin x = c cos y
(4) cos x = c sin y
Ans: ( 3 ) sin x = c cos y

75. If sin A = sin B and cos A = cos B, then:
(1) A = 2n  + B
(2) A = 2n  - B (n  Z)
(3) A = n + B
(4) A = n - B
Ans: ( 1 ) A = 2n  + B

76. The equation x2 + y2 ? 2xy ? 1 = 0 represents which of
the following?
(1) Two vertical straight lines
(2) Hyperbola
(3) A circle
(4) Two parallel straight lines
Ans: ( 2 ) Hyperbola

77. Which of the following statements is true ?
(1) The speed of light in a vacuum depends upon the wavelength
(2) The speed of light in a vacuum depends upon the frequency
(3) The speed of light depends on wavelength, and not on
frequency
(4) The speed of light is independent of frequency and
wavelength
Ans: ( 1 ) The speed of light in a vacuum depends upon the
wavelength

78. To demonstrate the phenomena of interference, we require
(1) Two sources which emit radiation of the same frequency
(2) Two sources which emit radiation of nearly the same
frequency
(3) Two sources which emit radiation of the same frequency
and have a definite phase relationship
(4) Two sources which emit radiation of different wavelengths
Ans: ( 3 ) Two sources which emit radiation of the same
frequency and have a definite phase relationship

79. The blue colour of the sky is due to the fact that
(1) Red light is absorbed
(2) Blue light is preferentially scattered
(3) Blue light is preferentially absorbed
(4) Blue is the natural colour of sky
Ans: ( 2 ) Blue light is preferentially scattered

80. To get three images of a simple object, one should have
two plane mirrors at an angle of
(1) 500
(2) 600
(3) 300
(4) 900
Ans: ( 4 ) 900

81. A bar magnet with poles N and S marked is freely
suspended. Then the end marked N would point towards
(1) the South magnetic pole of the earth
(2) the South geographic pole of the earth
(3) the North magnetic pole of the earth
(4) the North geographic pole of the earth
Ans: ( 4 ) the North geographic pole of the earth

82. At the North magnetic pole, the angle of dip would be
(1) 00
(2) 450
(3) 900
(4) 1800
Ans: ( 3 ) 900

83. A steady current is flowing through a solenoid. If a
bundle of soft iron is inserted in the coil, then the
magnetic field inside the solenoid
(1) increases
(2) decreases
(3) remains unaffected
(4) increases first and then decreases
Ans: ( 3 ) remains unaffected

84. Three resistances of 2 ohms each are connected in a
triangle. The resistance in ohms between any two corners is
?????.. ohms.
(1) 3
(2) 4
(3) 6
(4) 4/3
Ans: ( 4 ) 4/3

85. The motion of an electron is affected by
(1) only an electric field
(2) only a magnetic field
(3) both electric and magnetic fields
(4) either an electric or magnetic field
Ans: ( 3 ) both electric and magnetic fields

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