Number offish bolts per fish plate is________________?

A. 2
B. 4
C. 5
D. 6

Ordinary rails are made of_______________?

A. Mild steel
B. Cast iron
C. Wrought iron
D. High carbon steel

Head width of 52 kg rail section is________________?

A. 61.9 mm
B. 66.7mm
C. 67mm
D. 72.33 mm

52 kg rails are mostly used in__________________?

A. Broad gauge
B. Meter gauge
C. Narrow gauge
D. Both (a) and (b)

The purpose of providing fillet in a rail section is to_________________?

A. Increase the lateral strength
B. Increase the vertical stiffness
C. Avoid the stress concentration
D. Reduce the wear

Youtube was launched in ___________?

A. 2009
B. 2007
C. 2011
D. 2005

Instantaneous unit hydrograph is a hydrograph of________________?

A. 1) unit duration
B. 2) unit rainfall excess
C. 3) infinitely small duration
D. 4) infinitely small rainfall excess

To determine the discharge at a section in a stream from its rating curve, the required data are_______________?

A. 1) slope of water surface at the section
B. 2) stage at the section
C. 3) current meter readings at the section
D. The correct answer is?

Interception losses are due to_______________?

1) Evaporation
2) Transpiration
3) Stream flow
The correct answer is?

Variability of rainfall is____________?

A. 1) largest in regions of high rainfall
B. 2) largest in coastal areas
C. 3) largest in regions of scanty rainfall
D. The correct answer is?