A. 89 mm
B. 95 mm
C. 100 mm
D. 115 mm
i) heel divergence
ii) length of tongue rail
iii) flangeway clearance
iv) throw of switch
The correct answer is?
A. (i) and (ii)
B. (ii) and (iii)
C. (iii) and (iv)
D. (i)and(iv)
i) falling weight test
ii) tensile test
iii) hammer test
The compulsory tests are?
A. only (i)
B. (i)and(ii)
C. (ii) and (iii)
D. (i) and (iii)
A. 1
B. 2
C. 3
D. none of the above
A. the gauge face of the stock rail and tongue rail
B. the outer face of the stock rail and tongue rail
C. the gauge face of the stock rail and outer face of the tongue rail
D. the outer face of the stock rail and the gauge face of the tongue rail
A. 143 mm
B. 156 mm
C. 172 mm
D. 129mm
A. increase the lateral strength
B. increase the vertical stiffness
C. avoid the stress concentration
D. reduce the wear