RRB JE 2019-26-05-2019-1 RRB Question Paper

RRB JE 2019 Question Papers

RRB JE 2019-26-05-2019-1 RRB Questions

31.
Which of the following non-metals is a good conductor of electricity?
A.
Bromine
B.
Hydrogen
C.
Graphite
D.
Phosphorus
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ANSWER :
C. Graphite
32.

What is the area included between a circle and an inscribed square of side 'a' units?

A.

a²(2π - 1) sq. units

B.

(\( \frac{a^2}{2} \))(π - 2) sq. units

C.

a²(2 - π) sq. units

D.

2a²(π - 2) sq. units

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ANSWER :

B. (a²/2)(π - 2) sq. units

33.
Why does a mechanic apply grease between the moving parts of a bicycle or a motor?
A.
To clean the parts
B.
To make the parts look shiny
C.
As a lubricant to reduce friction
D.
To remove rust
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ANSWER :
C. As a lubricant to reduce friction
34.
Ratio of speeds of two vehicles is 7 : 8. If the second vehicle covers 400 km in 5 hours, what is the speed of the first vehicle?
A.
65 km/h
B.
85 km/h
C.
70 km/h
D.
75 km/h
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ANSWER :
C. 70 km/h
35.

Choose from the alternatives the figure that best completes the pattern given below.

A.

B.

C.

D.

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ANSWER :

D.

36.
What is the expansion of NASA?
A.
National Agency of Space Administration
B.
Navigational Aeronautics and Space Administration
C.
National Aeronautics and Space Administration
D.
National Aeronautics and Space Agency
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ANSWER :
C. National Aeronautics and Space Administration
37.
What does insulin regulate?
A.
Reproduction
B.
Heart beat
C.
Blood glucose level
D.
Physical growth
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ANSWER :
C. Blood glucose level
38.
Complete the series.
8888, 666, 44, (...)
A.
20
B.
2
C.
0
D.
22
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ANSWER :
B. 2
39.
Find the missing number in the following series.
864, 432, 440, 220, (…), 114
A.
237
B.
239
C.
232
D.
228
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ANSWER :
D. 228
40.
The smell of the perfume reaches our nose quickly due to the process of-
A.
Diffusion
B.
Condensation
C.
Evaporation
D.
Fusion
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ANSWER :
A. Diffusion