Railway Recruitment Board, Bangalore Supervisor Permanent Way (P-Way) Examination Held on 30-05-2004
1. A motor converts
(a) electrical energy into mechanical energy
(b) kinetic energy into electrical energy
(c) electrical energy into magnetic energy
(d) solar energy into electrical energy
2. A dynamo giving 0.5 ampere at 6 volts, produces power in watts
(a) 3
(b) 12
(c) 0.083
(d) None of these
3. When electric current passes through any conductor, then its temperature is
(a) increases
(b) decreases
(c) remains same
(d) depends upon conductor
4. On the same voltage, the resistance of the filament of the bulbs of 200 watt and 100 watt are R1 and R2, then :
(a) the value of R1 is twice that of R2
(b) the value of R2 is four times the value of R1
(c) the value of R1 is four times that of R2
(d) the value of R2 is twice that of R1
5. Which of the following statements are correct for ohm’s Law?
(a) The multiplication of electric current through the conductor and the potential difference across the conductor indicates resistance
(b) The ratio of potential difference of conductor and electric current across the conductor is always constant
(c) If all the physical states are constant, than potential difference across the conductor I s directly proportional to the electric current passing through it
(d) If all the physical states are constant, then the potential difference across any matter which conducts electricity is inversely which conducts electricity is inversely proportional to its flowing current
6. A wire of resistance 10 ohms is drawn out to three times its original length. The new resistance will be
(a) 90 ohm
(b) 10 ohm
(c) 30 ohm
(d) 120 ohm
7. The resonant frequency of an LCR circuit is
(a) 
(b) 
(c) 
(d) 
8. Electromagnetic radiation of the highest frequency is
(a) γ-rays
(b) X-rays
(c) radio waves
(d) infrared waves
9. One of the simplest applications of a diode is in
(a) amplification
(b) detection of microwaves
(c) modulation of signals
(d) rectification
10. Change of momentum is equal to
(a) force
(b) acceleration
(c) impulse
(d) none of the above
11. The critical mass of a nuclear reaction is
(a) the initial mass to start a nuclear fission
(b) the minimum mass for the chain reaction
(c) the size of the reactor core
(d) the size of the reactor core + size of the moderator
12. The sped of electro-magnetic radiation in a vacuum
(a) increases from radio rays to γ-rays
(b) decreases from radio rays to γ-rays
(c) depends upon the source of the radiation
(d) is equal for all factor or elements
13. A stationary wave is made, when
(a) two progressive waves of equal frequency and amplitude meet in opposite directions
(b) two progressive waves of equal frequency and amplitude meet in the same directions
(c) two progressive waves of equal frequency but different amplitudes meet in opposite directions
(d) two progressive waves of equal amplitude but different frequency meet in opposite directions
14. In order to move one unit positive charge from one point to another on the same potential surface
(a) work is done through the charge
(b) work is done on the charge
(c) no work is done
(d) the work done is fixed
15. Which of the following can explain the echo produced through sound waves?
(a) Shifting
(b) Refraction
(c) Reflection
(d) Dispersion
16. Decibel is defined in terms of
(a) voltage level
(b) sound power ratio
(c) current level
(d) none of these
17. A load cell is a
(a) photo-voltaic cell
(b) strain gauge
(c) thermistor
(d) pressure gauge
18. A DC series motor should
(a) always be run at constant speed
(b) always be started on load
(c) not be used where starting torque is high
(d) none of the above
19. One horse power is equal to
(a) 1000 watts
(b) 750 watts
(c) 746 watts
(d) 500 watts
20. Actual power from a compression ignition engine is delivered during
(a) compression stroke
(b) expansion stroke
(c) suction stroke
(d) none of the above
21. A bolt has a hexagonal slot. Which tool is suited for turning the bolt?
(a) Box spanner
(b) Philips screw driver
(c) Allen key
(d) Torque wrench
22. Cable sued for a cable TV network is
(a) twisted cable
(b) co-axial cable
(c) UTP cable
(d) none of these
23. A wire of resistances 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
(a) 24 ohms
(b) 12 ohms
(c) 6 ohms
(d) 3 ohms
24. Distortion caused on a telephone line by an adjacent telephone line is called
(a) inductive disturbance
(b) cross-talk
(c) cross fire
(d) transposition
25. A short initializing programme of a P.C. called
(a) main programme
(b) sub-routine
(c) boot programme
(d) branch
26. Optical fibres are used for communication in LASER because
(a) interference is produced by other lasers
(b) they ensure that the beam does not scatter
(c) they produce atmospheric interference
(d) none of the above
27. In a pneumatic control system, the medium used is
(a) liquid
(b) oil
(c) wind
(d) hydrogen
28. In a Binary System the decimal number 15 is written in which of these forms?
(a) 1110
(b) 1100
(c) 1111
(d) 1001
29. LVDT
(a) enables measurement of temperature
(b) helps in converting linear movement into electric signal
(c) transforming electric signal in linear motion
(d) can be used to identify angular displacement
30. What is ‘ROM’ associated with computers?
(a) Random only memory
(b) Repeat only memory
(c) Read only memory
(d) Rate of memory
31. Two binary numbers 1000 and 1101 will have their sum total in the decimal form as
(a) 18
(b) 21
(c) 19
(d) 22
32. Which of these helps in converting A.C. high voltage to low voltage or its opposite?
(a) Transistor
(b) Transformer
(c) Computater
(d) Accumulater
33. A P-type semiconductor will have excess of
(a) electrons
(b) holes
(c) holes and electrons
(d) none of the above
34. Which of the following electromagnetic waves has longest wavelength?
(a) Infra-red
(b) Light Rays
(c) Ultra-violet
(d) Gamma rays
35. Rockets and jets work on the principle of
(a) Newton’s first law
(b) Newton’s third law
(c) Newton’s second law
(d) Pascal’s law
36. Lightning conductors are made of
(a) iron
(b) copper
(c) steel
(d) chromium
37. Ramesh borrowed Rs 500 for buying a buffalo from bank at 10% per annum simple interest. After 3 years he settled the account. What amount did he pay?
(a) Rs 600
(b) Rs 650
(c) Rs 700
(d) none of the above
38. If 15% of 40% of a number is 6, then the number is
(a) 15
(b) 50
(c) 1000
(d) none of these
39. An article is marked 20% above cost price. The shop keeper allows a discount of 10% on it. What is h is gain or loss percent?
(a) 10%
(b) 8%
(c) 9%
(d) None of these
40. In term of percentages 26 is how much more than 20?
(a) 25%
(b) 26%
(c) 30%
(d) None of these
41. Successive discounts of 10% and 20% are equivalent to a single discount of
(a) 25%
(b) 20%
(c) 28%
(d) none of these
42. 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
(a) 93
(b) 63
(c) 73
(d) 43
43. A train covers a distance of 713 km in 11 hours and 30 min. The speed of the train in km/h is
(a) 75
(b) 55
(c) 62
(d) 52
44. Six men A, B, C, D, E and F are standing in a circle. B is between F and C, A is between E and D, and F is standing left of D. Who is between A and F?
(a) C
(b) B
(c) D
(d) E
45. When one-fourth of a number is subtracted from one-third of the same number 12 is obtained. The number is
(a) 63
(b) 72
(c) 120
(d) 144
46. 
(a) 1.01
(b) 1001
(c) 10.1
(d) 101
47. What will be the next number in the series 786, 686, 586, … ?
(a) 386
(b) 686
(c) 486
(d) 586
48. What rate of simple interest will yield Rs 5400 on a principal of Rs 4500 for 3 years?
(a) 
(b) 
(c) 
(d) 
49. The selling price of 4 chairs is equal to the cost price of 5 chairs. The profit per cent is
(a) 20%
(b) 30%
(c) 25%
(d) 35%
50. Looking into a mirror, the clock shows 9.30 as the time. The actual time is
(a) 4.30
(b) 2.30
(c) 3.30
(d) 6.30
51. Richter Scale is used to measure
(a) temperature of the body
(b) intensity of wind
(c) earthquakes
(d) ocean depth
52. Which of the following crops help in nitrogen fixation?
(a) Maize
(b) Beans
(c) Wheat
(d) Rice
53. Chandragupta Maurya embraced Jainism in the 3rd century BC at
(a) Magadh
(b) Jaisalmer
(c) Shravanabelagola
(d) Pataliputra
54. It is not advisable to sleep under a tree at night because of the
(a) release of carbon monoxide
(b) release of oxygen in larger amount
(c) release of carbon dioxide
(d) release of oxygen in lesser amount
55. Bhimsen Joshi is associated with
(a) Karnatic Music
(b) Hindustani Vocal
(c) Violin
(d) Tabla
56. The first month of the Saka calendar is
(a) Vaisakha
(b) Magh
(c) Chaitra
(d) Bhadrapad
57. Cauvery river flows through
(a) Tamil Nadu and Kerala
(b) Andhra Pradesh and Karnataka
(c) Karnataka and Tamil Nadu
(d) Karnataka and Tamil Nadu
58. C. V. Raman was awarded Nobel Prize in
(a) Medicine
(b) Physics
(c) Literature
(d) Chemistry
59. Which one of the following is cultivated by transplanting seedlings?
(a) Sorghum
(b) Onion
(c) Maize
(d) Soyabean
60. Which one of the following is not a natural source of energy?
(a) Wood
(b) Sun
(c) Electricity
(d) Coal
61. Kunakudi Vaidyanathan is associated with
(a) Veena
(b) Violin
(c) Guitar
(d) Tabla
62. Which of the following controls the quantity of sugar in the body and is secreted, by pancreas?
(a) Vitamin
(b) Renin
(c) Insulin
(d) Creatin
63. Gokak Falls is situated in which district?
(a) Dharwad
(b) Raichur
(c) Belagaum
(d) Bidar
64. Famousn sanctuary Ranganthittu is near
(a) Bharatpur
(b) Sikanderabad
(c) Mysore
(d) Chennai
65. Total number of zones of Indian Railways is
(a) 9
(b) 16
(c) 17
(d) 15
66. Belur is situated on the bank of which river?
(a) Cauvery
(b) Yagachi
(c) Yamuna
(d) None of these
67. Where in the sands a Shiva ‘Temple is buried?
(a) Bangalore
(b) Jaisalmer
(c) Talakadu
(d) None of these
68. Agumbe is known as Cherrapunji of the south, and is in
(a) Chennai
(b) Shimoga
(c) Mysore
(d) none of these
69. ‘Glimpses of World History’ is a well known book written by
(a) Mahatma Gandhi
(b) Ashok Mehta
(c) Ram Manohar Lohia
(d) Jawaharlal Nehru
70. Who is a lovingly called ‘Annavaru’ which means loving elder brother?
(a) Sri S. M. Krishna
(b) Dr. Raj Kumar
(c) Sri C. Wodayer
(d) None of these
71. The cube roots of units are in
(a) AP
(b) GP
(c) HP
(d) None of these
72. If a, a – 2, 3a are in AP, then a is
(a) 2
(b) −2
(c) 3
(d) −3
73. The first, second and last terms of an AP are 4, 7 and 31 respectively, then
(a) the third term is 15
(b) the number of terms is 10
(c) the sum of the terms is 155
(d) none of the above
74. How many committees of 5 members can b e formed from 6 gentlemen and 4 ladies?
(a) 120
(b) 252
(c) 10P5
(d) 10C5
75. Three identical dice are rolled. The probability that the same number will appear on each of them is
(a) 1/6
(b) 1/36
(c) 1/18
(d) 3/28
76. A purse contains 5 silver and 2 gold coins. A second purse contains 4 silver and 3 gold coins. A coin is taken out of any purse. The probability that it is a silver coin is
(a) 9/6
(b) 20/40
(c) 9/14
(d) none of these
77. The value of 
is
(a) 4 abc
(b) 
(c) 0
(d) abc
78. If ω is the cubic root of the unit and n, a multiple of 3, then 1 + ωn + 2ωn is equal to
(a) 3
(b) 2
(c) 1
(d) 4
79. If 4 sin−1 (x) + cos−1 (x) = π, then x is equal to
(a) 1/3
(b) 2/3
(c) 2
(d) 1/2
80. The maximum value of sin x + cos x is
(a) √3
(b) 2
(c) √2
(d) −√2
81. 
(a) 2/3
(b) 1/4
(c) 3/2
(d) 1/2
82. 
(a) π/6
(b) π/3
(c) loge 2
(d) π/4
83. If 
then its characteristic roots are
(a) 1, 5
(b) 6, 1
(c) 1, −5
(d) −1, 5
84. The equation of the tangent to the circle x2 + y2 + 2gx + 2fy + c = 0 at the origin is
(a) x = 0
(b) y = 0
(c) fx + gy = 0
(d) gx + fy = 0
85. The degree of the differential equation 
is
(a) 6
(b) 4
(c) 1
(d) 2
86. The solution of the differential equation cos x cos y dx + sin x sin y dx = 0 is
(a) tan x = c
(b) sec x – sec y = c
(c) sin x = c cos y
(d) cos x = c sin y
87. The value of cos−1 (−1) – sin−1 (1)
(a) −3π/2
(b) 3π/2
(c) π/4
(d) π/2
88. If sin A = sin B and cos A = cos B, then
(a) A = 2nπ + B
(b) A = 2nπ – B(n ∑ Z)
(c) A = nπ + B
(d) A = nπ – B
89. At a distance of α from the top of a light house, two stations in opposite directions make inclined angles α and β The height of the light house is
(a) 
(b) 
(c) 
(d) 
90. If 
then 
is
(a) 1/2
(b) 1/cos x
(c) 0
(d) 1
91. The equation x2 + y2 – 2xy – 1 = 0 represents which of the following
(a) Two vertical straight lines
(b) Hyperbola
(c) A circle
(d) Two parallel straight lines
92. Which of the following statements is true?
(a) The speed of light in a vacuum depends upon the wavelength
(b) The speed of light in a vacuum depends upon the frequency
(c) The speed of light depends on wavelength and not on frequency
(d) The speed of light is independent on frequency and wavelength
93. To demonstrate the phenomena of interference, we require?
(a) two sources which emit radiation of the same frequency
(b) two sources which emit radiation of nearly the same frequency
(c) two sources with emit radiation of the same frequency and have a definite phase relationship
(d) two sources which emit radiation of different wavelengths
94. The blue colour of the sky is due to the fact that
(a) red light is absorbed
(b) blue light is preferentially scattered
(c) blue light is preferentially absorbed
(d) blue is the natural colour of sky
95. To get three images of a simple object, one should have two plane mirrors at an angle of
(a) 50°
(b) 60°
(c) 30°
(d) 90°
96. A bar magnet with poles N and S marked is freely suspended. Then the end marked N would point towards
(a) the south magnetic pole of the earth
(b) the south geographic pole of the earth
(c) the north magnetic pole of the earth
(d) the north geographic pole of the earth
97. At the north magnetic pole, the angle of dip would be
(a) 0°
(b) 45°
(c) 90°
(d) 180°
98. 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
(a) increases
(b) decreases
(c) remains unaffected
(d) increases first and then decreases
99. Three resistances of 2 ohms each are connected in a triangle. The resistance in ohms between any two corners is …. ohms.
(a) 3
(b) 4
(c) 6
(d) 4/3
100. The motion of an electron is affected by
(a) only an electric field
(b) only a magnetic field
(c) both electric and magnetic fields
(d) either an electric or magnetic field
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