RRB ALP 2018-17-08-2018-2 RRB Question Paper

RRB ALP 2018 - Technicians Question Papers

RRB ALP 2018-17-08-2018-2 RRB Questions

31.
Which of the following is a physical change?
A.
Burning of cooking gas
B.
Fermentation of milk
C.
Digestion of food
D.
Dissolution sugar in water
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ANSWER :
D. Dissolution sugar in water
32.
What causes cholera?
A.
Bacteria
B.
Virus
C.
Fungus
D.
Algae
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ANSWER :
A. Bacteria
33.
An apparatus for viewing objects lying above the eye level of the observer and whose direct vision is obstructed is known as:
A.
Photometer
B.
Periscope
C.
Planimeter
D.
Spectrometer
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ANSWER :
B. Periscope
34.
Which atom has only one electron?
A.
Potassium
B.
Nitrogen
C.
Oxygen
D.
Hydrogen
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ANSWER :
D. Hydrogen
35.
The organic acid present in vinegar is:
A.
brufanoic acid
B.
propanoic acid
C.
methanoic acid
D.
ethanoic acid
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ANSWER :
D. ethanoic acid
36.
Water gas consists of:
A.
a mixture of carbon monoxide and hydrogen
B.
water vapour and coal dust
C.
a mixture of carbon monoxide and nitrogen
D.
water vapour and methane
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ANSWER :
A. a mixture of carbon monoxide and hydrogen
37.
A body strikes the floor vertically with a velocity u and rebounds at the same speed. The change of speed would be:
A.
3u
B.
Zero
C.
u
D.
2u
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ANSWER :
D. 2u
38.
Which of the following is different from others?
A.
Speed
B.
Time
C.
Density
D.
Force
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ANSWER :
C. Density
39.
What is the momentum of a man of mass 75 kg when he walks with a uniform velocity of 2 m/s?
A.
50 kg m/s
B.
75 kg m/s
C.
100 kg m/s
D.
150 kg m/s
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ANSWER :
D. 150 kg m/s
40.
At the centre of the earth, the value of g becomes:
A.
infinity
B.
unity
C.
zero
D.
None of these
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ANSWER :
C. zero