287) In a scissors cross-over, the crossings provided are i) 2 obtuse angle crossings ii) 4 obtuse angle crossings iii) 4 acute angle crossings iv) 6 acute angle crossings The correct answer is

(i) and (iii)

(i)and(iv)

(ii) and (iii)

(ii) and (iv)

Answer is:

(i)and(iv)

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288) The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called

flangeway clearance

heel divergence

throw of the switch

none of the above

Answer is:

throw of the switch

289) Flangeway clearance is the distance

between the adjoining faces of the running rail and the check rail near the crossing

between the gauge faces of the stock rail and the tongue rail

through which the tongue rail moves laterally at the toe of the switch

none of the above

Answer is:

between the adjoining faces of the running rail and the check rail near the crossing

290) Heel divergence is

always less than flangeway clearance

equal to flangeway clearance

always greater than flangeway clearance

sometimes greater than flangeway clearance

Answer is:

always greater than flangeway clearance

291) 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

detectors

point lock

iock bar

stretcher bar

Answer is:

iock bar

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287) In a scissors cross-over, the crossings provided are i) 2 obtuse angle crossings ii) 4 obtuse angle crossings iii) 4 acute angle crossings iv) 6 acute angle crossings The correct answer is

(i)and(iv)

Transportation Engineering MCQ with Answers

Related Transportation Engineering MCQ with Answers

288) The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called

throw of the switch

289) Flangeway clearance is the distance

between the adjoining faces of the running rail and the check rail near the crossing

290) Heel divergence is

always greater than flangeway clearance

291) 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

iock bar

Transportation Engineering MCQ with Answers