Engineering :: Materials Handling
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151. |
Which railway sleeper provides the best rigidity? |
A. |
Wooden |
B. |
Cast steel |
C. |
Cast iron |
D. |
RCC |
Answer: Option D
Explanation:
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152. |
The number of sleepers per rail (n = length of rail in metres) |
A. |
is n + 1 |
B. |
varies from n + 1 to n + 3 |
C. |
varies from n + 3 to n + 6 |
D. |
varies from n + 9 to n + 12 |
Answer: Option C
Explanation:
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153. |
Which of the following key is not used in railway tracks? |
A. |
Stuart key |
B. |
Morgan key |
C. |
Cotter key |
D. |
Woodruff key |
Answer: Option D
Explanation:
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154. |
The maximum degree of curvature on metre gauge is |
Answer: Option D
Explanation:
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155. |
The maximum degree of broad gauge line is |
Answer: Option B
Explanation:
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156. |
The pressure of air in case of pneumatic tools is generally in the range |
A. |
4 to 6 kg/cm2 |
B. |
14 to 16 kg/cm2 |
C. |
24 to 26 kg/cm2 |
D. |
34 to 36 kg/cm2 |
Answer: Option A
Explanation:
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157. |
In case of pneumatic system, a receiver is |
A. |
a device for cleaning air |
B. |
a device for cooling air |
C. |
a divice for storing atmospheric air |
D. |
a device for storing compressed air |
Answer: Option D
Explanation:
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158. |
Which braking system is not used in case of earth moving machinery? |
A. |
Pneumatic braking system |
B. |
Hydraulic braking system |
C. |
Vacuum braking system |
D. |
Mechanical braking system |
Answer: Option C
Explanation:
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159. |
A 25 mm wire rope sling can safely take a load of |
A. |
4 to 5 tonnes |
B. |
25 to 30 tonnes |
C. |
40 to 50 tonnes |
D. |
90 to 100 tonnes |
Answer: Option A
Explanation:
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160. |
A jack having 2 cm as the diameter of the screw at the root of the thread, may be expected to safely lift a load of about |
A. |
5 to 7 tonnes |
B. |
25 to 30 tonnes |
C. |
35 to 40 tonnes |
D. |
40 to 50 tonnes |
Answer: Option A
Explanation:
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