civil engineering MCQs – Page 206

Practise multiple-choice questions from civil engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

civil engineering Mcqs
4101. Stretcher bar is provided________________?
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A. to permit lateral movement of the tongue rail

B. to ensure exact gauge at the toe of the switch as well as the nose of crossing

C. to maintain the two tongue rails at the exact distance

D. to prevent any vertical movement between the wing rail and nose of crossing

4102. A train is hauled by 2-8-2 locomotive with 22.5 tonnes and on each driving axle. Assuming the coefficient of rail-wheel friction to be 0.25, what would be the hauling capacity of the locomotive?
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A. 22.5 tonnes

B. 45.0 tonnes

C. 15.0 tonnes

D. 90.0 tonnes

4103. The purpose of providing fillet in a rail section is to_________________?
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A. increase the vertical stiffness

B. increase the lateral strength

C. avoid the stress concentration

D. reduce the wear

4104. avoidance of block instruments 4. higher operating cost Of these statements_____________________?
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A. 3 and 4 are correct

B. 2 and 3 are correct

C. I and 2 are correct

D. 1 and 4 are correct

4105. The type of spike used for fixing chairs of bull headed rails to wooden sleepers is_________________?
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A. elastic spike

B. dog spike

C. round spike

D. rail screw

4106. Sleeper density in India is normally kept as___________________?
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A. MtoM+2

B. M

C. M + 5toM+10

D. M + 2 to M + 7
4107. The type of bearing plate used in all joints and on curves to give better bearing area to the rails is___________________?
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A. mild steel canted bearing plate

B. cast iron anti creep bearing plate

C. none of the above

D. flat mild steel bearing plate

4108. The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called_________________?
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A. flangeway clearance

B. heel divergence

C. throw of the switch

D. none of the above

4109. In a scissors cross-over, the crossings provided are_________________?
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A. 2 obtuse angle crossings

B. 6 acute angle crossings</strong>

C. ) 4 acute angle crossings

D. 4 obtuse angle crossings

E. correct answer is ?

4110. In a shunting signal if the red band is inclined at 45 it indicates_________________?
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A. none of the above

B. stop

C. proceed cautiously

D. proceed
4111. Which of the following mechanical devices is used to ensure that route cannot be changed while the train is on the point even after putting back the signal ?
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A. detectors

B. stretcher bar

C. iock bar

D. point lock

4112. The following tests are conducted for rails _________________?
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A. compulsory tests are?

B. falling weight test

C. tensile test

D. ) hammer test</strong>

4113. If A is the angle formed by two gauge faces, the crossing number will be____________________?
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A. tan A

B. cot A

C. Arad

D. sec A

4114. Lead of crossing is the distance from the__________________?
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A. heel of the switch to the theoretical nose of the crossing

B. heel of the switch to the toe of the switch

C. toe of the switch to the actual nose of crossing

D. toe of the switch to the theoretical nose of crossing

4115. Ordinary rails are made of_______________?
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A. wrought iron

B. mild steel

C. cast iron

D. high carbon steel
4116. For a Broad Gauge route with M+7 sleeper density, number of sleepers per rail length is________________?
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A. 21

B. 20

C. 19

D. 18

4117. Maximum value of throw of switch for Broad Gauge track is__________________?
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A. 115 mm

B. 89 mm

C. 95 mm

D. 100 mm

4118. Staggered joints are generally provided__________________?
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A. none of the above

B. when two different rail sections are required to be joined

C. on curves

D. on straight track

4119. Standard size of wooden sleeper for Broad Gauge track is____________________?
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A. 225x23x13 cm

B. 250x26x12 cm

C. 275x25x13cm

D. 180x20x11.5 cm

4120. For the purpose of track maintenance, the number of turn out equivalent to one track km are__________________?
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A. 1

B. 2

C. 10

D. 5