Civil Engineering MCQs

A. To ensure that each switch is correctly set
B. To ensure that the point may not be operated while the train is on it
C. To detect any obstruction between and tongue rail
D. None of the above

A. Detectors
B. Point lock
C. Iock bar
D. Stretcher bar

A. Between the adjoining faces of the running rail and the check rail near the crossing
B. Between the gauge faces of the stock rail and the tongue rail
C. Through which the tongue rail moves laterally at the toe of the switch
D. None of the above

A. Cl = l – sl
B. L =cl-sl
C. Sl = l + cl
D. L = (cl+sl)/2

A. Heel of the switch to the toe of the switch
B. Heel of the switch to the theoretical nose of the crossing
C. Toe of the switch to the theoretical nose of crossing
D. Toe of the switch to the actual nose of crossing

A. Heel of the switch to the toe of the switch
B. Heel of the switch to the theoretical nose of the crossing
C. Toe of the switch to the theoretical nose of crossing
D. Toe of the switch to the actual nose of crossing

A. Vi cot(cc/2)
B. Cot(oc/2)
C. Cot(a)
D. Vi cosec(a/2)

A. To permit lateral movement of the tongue rail
B. To maintain the two tongue rails at the exact distance
C. To ensure exact gauge at the toe of the switch as well as the nose of crossing
D. To prevent any vertical movement between the wing rail and nose of crossing

A. 1600/r
B. 1700/r
C. 1750/r
D. 1850/r

A. Cubic parabola
B. Spiral
C. Sine curve
D. Lemniscate of bernoulli