Railway Recruitment Board, Allahabad Junior Engineer-II (Mechanical) Examination Held on 08-01-2006
1. The relation between diameter of river (d) and the thickness of plate (t) is
(a) d = 3√t
(b) d = 4√t
(c) d = 5√t
(d) d = 6√t
2. The example of a dead weight Governor is
(a) Watt Governor
(b) Hart nell Governor
(c) Porter Governor
(d) Pickering Governor
3. There is a point on the ground at a distance of 30 m from the bottom of a tower. Angle of elevation of the top of the tower at this point is 45°. The height of the tower will be
(a) 20 m
(b) 30 m
(c) 15√2
(d) 15/√2 m
4. Modulus of elasticity is defined as the ratio of
(a) Shear stress to shear strain
(b) Linear stress to linear strain
(c) Linear stress to lateral strain
(d) Lateral stress to linear strain
5. If θ = 30°, find out the value of 
(a) 8
(b) 0
(c) 4
(d) 2
6. The smallest planet of solar system is
(a) Mars
(b) Mercury
(c) Venus
(d) Pluto
7. In a certain code VKRYH is written as SHOVE, then SLVWRO will be written as
(a) PIGEON
(b) PISTOL
(c) PARROT
(d) ROLLER
8. A lunar eclipse happens when
(a) Moon comes between earth and sun
(b) Sun comes between earth and moon
(c) Earth comes between sun and moon
(d) None of the above
9. The currency of Italy is called
(a) Euro
(b) Yen
(c) Dollor
(d) Pond
10. The richter scale is used to record
(a) Velocity of air
(b) Earthquake
(c) Intensity of earthquake
(d) Pressure
11. What is the kinetic energy of rotation, when a body of mass moment of inertia I about a given axis is rotated about that axis with an angular velocity ω?
(a) 1 ∙ ω
(b) 
(c) I ∙ ω2
(d) 
12. The highest score in a cricket test match in an innings was 5/21 of the total, and the next highest was 5/24 of the remainder. Difference between the scores was 25 runs. What was the total score?
(a) 260
(b) 275
(c) 300
(d) 315
13. A prize money is divided between A, B and C. A receives 2/5 of the prize, B receives 1/9 of the remainder. If C’s share is Rs 80, find the value of the prize
(a) Rs 130
(b) Rs 150
(c) Rs 180
(d) Rs 220
14. The cost of manufacturing a car, is made up of three items : cost of materials, labour and overheads, In 2002, the cost of these items was in the ratio of 5 : 4 : 3. In 203, the cost of materials rose by 16%, the cost of labour increased by 10% but the overheads reduced by 8%. What is increased percent in the price of car?
(a) 6%
(b) 7%
(c) 8%
(d) 12%
15. If the rainfall on a certain day was 3.5 c, how many litres of water fell on 1 hectare land on that day?
(a) 350000 litres
(b) 35000 litres
(c) 3500 litres
(d) 350 litres
16. Two equal sums were lent out at 7% and 5% simple interest respectively. The interest earned on the two loans add up to Rs 960 for 4 years. Find the total sum lent out.
(a) Rs 3860
(b) Rs 4000
(c) Rs 4100
(d) Rs 4230
17. A man sells two tables at equal price. He sells one at 10% gin and other at 10% loss. What is the gain/loss percent in this transaction?
(a) 1.1% loss
(b) 1% loss
(c) 1% gain
(d) 1.1% gain
18. A photographer allows a discount of 16% at the marked price. At what price should he mark the camera of cost Rs 600 so that he gains 20% after allowing discount?
(a) Rs 760
(b) Rs 780
(c) Rs 1000
(d) Rs 820
19. The amount of water (in ml) that should be added to reduce 9 ml lotion, containing 50% alcohol to a lotion containing 30% alcohol is
(a) 3
(b) 4
(c) 5
(d) 6
20. What will come in place of question mark(s)?
1, 2, 5, 10, 13, 26, 29, 58 ?
(a) 61
(b) 63
(c) 69
(d) 71
21. Which of the following has the smallest wavelength?
(a) Red
(b) Blue
(c) Green
(d) Violet
22. A light year is nearest to
(a) 108 m
(b) 1012 m
(c) 1016 m
(d) 1020 m
23. A dimensionless quantity
(a) May have a unit
(b) Never has a unit
(c) Always has a unit
(d) Doesn’t exist
24. The largest producer of pulses in India is
(a) Uttar Pradesh
(b) Rajasthan
(c) Madhya Pradesh
(d) Maharashtra
25. The minimum annual temperature difference is found in
(a) Trivanantpuram
(b) Kochi
(c) Panaji
(d) Mumbai
26. ‘Land of the Morning Calm’ refers to
(a) Japan
(b) Taiwan
(c) Tibet
(d) Korea
27. The Russian Revolution took place in the year
(a) 1905
(b) 1909
(c) 1917
(d) 1927
28. The Headquarters of FAO is located in
(a) New York
(b) Washington
(c) Rome
(d) France
29. Who is the author of the book title ‘Discovery of India’?
(a) J. L. Nehru
(b) Indira Gandhi
(c) M. K. Gandhi
(d) C. Rajagoplachari
30. Santosh trophy is associated with
(a) Cricket
(b) Football
(c) Hockey
(d) Tennis
31. Who is the recipient of Nobel Prize 2004 for Literature?
(a) Nancy Jelinek
(b) J. M. Coetzee
(c) P. C. Paul
(d) Elfride Jelinek
32. Year 2005 is celebrated as 125th Birth Anniversary of which literary personality?
(a) Gurudev Rabindranath Tagore
(b) Munshi Premchand
(c) Dr. S. Radhakrishnan
(d) Sarojini Naidu
33. Pandit Jawaharlal Nehru, the first Prime Minister of India, was born in the year
(a) 1859
(b) 1869
(c) 1879
(d) 1889
34. What is the main purpose of white blood corpuscles?
(a) To carry nutrients
(b) To carry oxygen
(c) To combat infection
(d) To help in clotting
35. Night-blindness is caused by lack of which vitamin?
(a) Vitamin D
(b) Vitamin B
(c) Vitamin A
(d) Vitamin C
36. The ratio of specific weight of liquid to specific weight of a standard liquid is
(a) Specific volume
(b) Weight density
(c) Specific gravity
(d) Density
37. C.G. vaccine protects against
(a) Polio
(b) TB
(c) Typhoid
(d) Small pox
38. The largest oil producing region of Gujarat is
(a) Sanad
(b) Kalol
(c) Ankaleshwar
(d) Kari
39. The Brahmo Samaj was the founded in the year
(a) 1826
(b) 1828
(c) 1823
(d) 1825
40. Periyar hydro-electric project is situated in
(a) Karnataka
(b) Kerala
(c) Tamil Nadu
(d) Andhra Pradesh
41. The Greek ambassador Magasthanese visited India during the reign of
(a) Chandragupta Maurya
(b) Samudragupta
(c) Ashoka
(d) Harshavardhan
42. The Tughlaq dynasty was founded in 1320 by
(a) Ghiasuddin Tughlaq
(b) Mohammad Bin Tughlaq
(c) Feroze Tughlaq
(d) None of the above
43. Who was the Viceroy when Jalianwala bagh tragedy took place on April 13, 1919?
(a) Lord Reading
(b) Lord Irwin
(c) Lord Chelmsford
(d) Lord Minto
44. Which of the following is an example of chemical reaction?
(a) Magnetising an iron bar
(b) Burning of a candle
(c) Melting of ice
(d) None of the above
45. Davis cup is related to
(a) Lawn Tennis
(b) Cricket
(c) Golf
(d) Hockey
46. Enron electric project is situated in state of
(a) Bihar
(b) Kerala
(c) Assam
(d) Maharashtra
47. Which among the following states is associated with ‘Chhau’ dance?
(a) Assam
(b) Rajasthan
(c) Nagaland
(d) Orissa
48. Mahatma Gandhi started Dandi March to break salt law on
(a) April 6, 1930
(b) March 12, 1930
(c) March 12, 1931
(d) April 6, 1931
49. Home Rule League Movement was started by
(a) Bal Gangadhar Tilak
(b) Raja Ram Mohan Roy
(c) Gopal Krishna Gokhale
(d) None of the above
50. The Constituent Assembly adopted the Indian Constitution on
(a) January 26, 1950
(b) August 15, 1947
(c) January 30, 1950
(d) November 26, 1949
51. Radha Reddy and Raja Reddy are the propounders of which classical dance?
(a) Kuchipudi
(b) Odissi
(c) Kathak
(d) Kathakali
52. Voltmeter is used to measure
(a) Power
(b) Displacement
(c) Current
(d) Potential difference
53. Which of the following is a vector?
(a) Power
(b) Displacement
(c) Work
(d) Potential
54. Which of the following is the most industrialized state?
(a) West Bengal
(b) Haryana
(c) Maharashtra
(d) Rajasthan
55. The electoral college to elect President consist of the elected members of
(a) Lok Sabha
(b) Lok Sabha and Rajya Sabha
(c) Lok Sabha, Rajya Sabha and Legislative Assemblies
(d) Rajya Sabha
56. In which state the folk dance ‘Ghoomar’ is performed?
(a) Gujarat
(b) Rajasthan
(c) Orissa
(d) Nagaland
57. Isobars are produced as a result of the emission of
(a) alpha particles
(b) beta particles
(c) gamma-rays
(d) X-rays
58. The least energy is radiated by
(a) X-rays
(b) gamma-rays
(c) electric waves
(d) alpha rays
59. A charged capacitor processes …….. energy
(a) kinetic
(b) potential
(c) electrostatic
(d) magnetic
60. Which of the following is the source of solar energy?
(a) Magnetic radiation
(b) Burning hydrogen
(c) Chemical energy
(d) Nuclear fission/fussion
61. Woolen clothes keep us warm in winter because
(a) they give heat to body
(b) the protect the heat of body from escaping
(c) they protect the cold from entering the body
(d) None of the above
62. The Hygrometer is an instrument used to measure
(a) rainfall
(b) altitude
(c) relative humidity
(d) temperature
63. Which is the source of copper?
(a) Aragonite
(b) Cassiterite
(c) Cerussite
(d) Calamine
64. An alloy of copper and tin is called
(a) Bronze
(b) Brass
(c) Gunmetal
(d) Y-alloy
65. What is the chemical name of Bleaching Powder?
(a) Copper sulphate
(b) Sodium hydroxide
(c) Potassium hydroxide
(d) Calcium hypochloride
66. Highest percentage of carbon is available in
(a) milk steel
(b) high carbon steel
(c) cast iron
(d) stainless steel
67. Radio carbon dating is associated with which of the following?
(a) Soils
(b) Fossils
(c) Rocks
(d) Buildings
68. Bauschinger effect is associated with which of the following?
(a) Hardness
(b) Fatigue
(c) Creep
(d) None of these
69. To check the growth of algae in water reservoirs which of the following chemicals is used?
(a) Brine
(b) Alum
(c) Copper sulphate
(d) Bleaching powder
70. At very high pressure a real gas, as compared to an ideal gas, occupies
(a) same volume
(b) less volume
(c) more volume
(d) Any of these
71. Capacity of a dry cell is
(a) more when it is supplying current for intermittent periods
(b) more when it is supplying current for continuous periods
(c) unaffected by the type of discharge
(d) None of the above
72. For the same maximum pressure and heat input, the most efficient cycle is
(a) Otto cycle
(b) Diesel cycle
(c) Brayton cycle
(d) Dual combustion cycle
73. The property by which an amount of energy is absorbed by a material without plastic deformation is called
(a) toughness
(b) impact strength
(c) ductility
(d) resilience
74. A carnot engine receiving heat at 400 K has an efficiency of 25%. The C.O.P. of carnot refrigerator working between the same temperature limit is
(a) 1
(b) 2
(c) 3
(d) 4
75. Second law of thermodynamics defines
(a) Heat
(b) Work
(c) Enthalpy
(d) Entropy
76. Why are oil rings slotted?
(a) To provide an escape for the oil that the slot edges cut from the cylinder wall
(b) To minimize friction
(c) To remove oil from cylinder
(d) To reduce the bulk
77. Maximum torque is generated by an engine when
(a) it runs at lowest speed
(b) it develops maximum power
(c) it consumes maximum fuel
(d) it runs at maximum speed
78. In a boiler maximum energy loss occurs due to
(a) radiant losses
(b) fuel gases
(c) incomplete combustion
(d) unburnt carbon in ash
79. The ratio of indicated power to shaft power is known as ……. efficiency.
(a) adiabatic
(b) mechanical
(c) isothermal
(d) volumetric
80. The performance of reciprocating compressor is compared on the basis of …… efficiency.
(a) volumetric
(b) mechanical
(c) overall
(d) isothermal
81. Which of the following features improves the fatigue strength of a metallic material?
(a) Increasing the temperature
(b) Scratching the surface
(c) Overstressing
(d) Under-stressing
82. Which of the following statement is correct?
(a) Energy and work are scalars
(b) Energy, Momentum and Velocity are vectors
(c) Force, Momentum and Velocity are scalars
(d) Force and work are vectors
83. Throttling process is
(a) reversible
(b) irreversible
(c) theoretical
(d) None of these
84. Natural frequency is independent of
(a) amplitude of oscillation
(b) mass of the system
(c) stiffness of the system
(d) All of the above
85. Regenerative cycle efficiency
(a) is same as simple Rankine cycle thermal efficiency
(b) is always less than simple Rankine cycle thermal efficiency
(c) is always greater than simple Rankine cycle thermal efficiency
(d) None of the above
86. Which of the following modes of heat transfer would take p lace predominantly, from boiler furnace to water Wall?
(a) Convection
(b) Conduction
(c) Radiation
(d) Conduction and Convection
87. As warm air cools, its relative humidity
(a) decreases
(b) increases
(c) remains unchanged
(d) unpredictable
88. The property of a fluid which determines its resistance to shearing stresses is called
(a) viscosity
(b) surface tension
(c) compressibility
(d) None of these
89. The unit of stress in S.I. unit is
(a) MN/m2
(b) kN/mm2
(c) N/mm
(d) All of these
90. In an automobile, the power is transmitted from the gear box to the differential through
(a) Knuckle joint
(b) Bevel gears
(c) Hooke’s joint
(d) Oldham’s coupling
91. For fatigue loading, factor of safety is the ratio of
(a) endurance limit to the working stress
(b) elastic limit to the working stress
(c) elastic limit to the yielding point
(d) Yong’s modulus to the ultimate tensile strength
92. Bending moment on a section is maximum when shear force is
(a) zero
(b) maximum
(c) minimum
(d) changing sign
93. Fuel used for blast furnace is
(a) coal
(b) coke
(c) wood
(d) producer gas
94. The included angle between V-belt is usually between :
(a) 10° − 20°
(b) 30° −40°
(c) 60° − 80°
(d) 20° − 30°
95. If 6 × 6 = 33, 8 × 2 = 41 and 4 × 5 = 22.5 then 8 × 6 = ?
(a) 24
(b) 43
(c) 38
(d) 2.66
96. The separation between two points in space is called
(a) Volume
(b) Width
(c) Area
(d) Length
97. Electrodes used in spot welding have a tip of
(a) Aluminium
(b) Brass
(c) Carbon
(d) Copper
98. Damping current can be produced by
(a) Eddy currents
(b) Resistance
(c) Potential
(d) Magnet
99. In screw jack, effort required to lift a load is given by
(a) P = ω tan(α + ϕ)
(b) P = ω tan(α – ϕ)
(c) P = ω tan (ϕ – α)
(d) None of the above
100. What will come in place of question mark (?) in the following question?
(a) 10
(b) 11
(c) 12
(d) 13
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