RRB GENERAL KNOWLEDGE PAPER
(a) Mechanical energy (b) Chemical energy
(c) Heat energy (d) Radiation energy
: C
2.The distance between the two points in space is called
(a) volume (b) length (c) width (d) area
: A
3.Doctor determines ....... by the pulse
(a) blood pressure (b) breathing rate
(c) heart beat (d) none of these
: C
4.When the velocity of a moving object is doubled, its kinetic energy
(a) becomes doubled (b) becomes four times
(c) remains the same (d) becomes three times
: B
5.Where should an object be kept so that we can get real and inverted
image of same size as that of object by a convex lens
(a) between focus and lens (b) at focus
(c) twice the length of the focus (d) at infinity
: C
6.When we sit or sleep on a rubber mattress, its shape is deformed. It
is an example of
(a) kinetic energy (b) potential energy
(c) stored energy (d) fission energy
: B
7.Which of the following types of lens is used in a camera?
(a) Convex (b) Concave
(c) Spherical (d) of uniform thickness
: A
8.Which of the following is used to measure height?
(a) Barometer (b) Planimeter (c) Altimeter (d) Hydrometer
: C
9.The ratio of flux density and capacity of magnetic field in a medium
is represented by
(a) Magnetic density (b) Acceptance (c) Influence (d) permeability
: B
20.Sound waves are ......
(a) Longitudinal (b) transverse
(c) Partially longitudinal and partially transverse
(d) None of these
: A
21.In force-current analogy, capacitance is analogous to
(a) velocity�(b) mass (c) displacement�(d) speed
: B
22.Which locomotive has the highest operational availability?
(a) steam (b) diesel (c) electric (d) none of these
: C
23.For the same cylinder dimensions and speed, which engine will
produce least power?
(a) Diesel engine (b) Petrol engine
(c) Super charged engine (d) none of these
: B
24.Maintenance requirements are least in case of
(a) steam locomotives (b) electric locomotives
(c) diesel locomotives (d) none of these
: B
25.Electrification of railway track in India was done for the first
time in
(a) 1925�1932 (b) 1940�1947
(c) 1887�1893 (d) 1857�1865
: A
26.Which of the following types of lens is used in a camera?
(a) Convex (b) Concave
(c) Spherical (d) of uniform thickness
: A
27.Which of the following is used to measure height?
(a) Barometer (b) Planimeter (c) Altimeter (d) Hydrometer
: C
28.The ratio of fluse density and capacity of magnetic field in a
medium is represented by
(a) Magnetic density (b) Acceptance
(c) Influence (d) permeability
: B
29.Sound waves are ......
(a) Longitudinal (b) transverse
(c) Partially longitudinal and partially transverse
(d) None of these
: A
30.The ratio of mass of proton to that of electron is nearly equal to
(a) 2 (b) 1840 (c) 184 (d) 10
: B
31.The acid used in automobile battery is
(a) NaCl (b) HCl (c) HNO3 (d) H2SO4
: D
32.The melting point of plastic is
(a) 300C (b) 800C (c) 470C (d) 500C
: C
33.In which of the following, both ionic & covalent bonds are present?
(a) CH4 (b) KCl (c) SO2 (d) NaOH
: A
34.Cooking gas is a mixture of
(a) Carbon monoxide and carbon dioxide
(b) Butane and propane
(c) Methane and ethylene
(d) Carbon dioxide and oxygen
: C
35.The type of welding used for attaching nuts and bolts with the
sheets is
(a) flash welding (b) butt welding (c) projection welding (d) spot
welding
: C
36.Heavy water implies
(a) H2O (b) W2O (c) B2O (d) D2O
: D
37.In a dc machine, the laminated parts are armature and
(a) core (b) yoke (c) pole (d) pole shoe
: D
38.Absolute pressure of air at the outlet of a compressor is known as
(a) discharge pressure (b) inlet pressure (c) back pressure (d) none
: A
39.The turbine blades are
(a) straight (b) curved (c) circular (d) none of these
: B
40.In S.H.M acceleration is proportional to
(a) velocity (b) displacement (c) rate of change of velocity (d) all
of the above
: B
41.In fire tube boilers, the maximum allowed working pressure
(a) 17x106 N/M2 (b) 17x105N/M2 (c) 17x103 N/M2 (d) 303x105 N/M2
: B
42.An obstacle which obstructs chaining but not ranging may be
(a) a lake (b) electric line (c) railway track (d) a high building
: A
43.The phenomenon of misalignment of rails due to temperature change
is known as
(a) cropping (b) creeping (c) bulging (d) buckling
: D
44.The railway station at which a track line meets a main line is
called
(a) terminal station (b) flag station (c) way side station (d)
junction station
: D
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