OBJECTIVES
1) The pitot static tube measures
a) stagnation pressure
b) static pressure
c) dynamic pressure
d) difference in total and dynamic pressure
2) The correction for sag is
a) always additive
b) always subtractive
c) always zero
d) sometimes additive and sometimes subtractive
3) Cross staff is an instrument used for
a) measuring approximate horizontal angles
b) setting out right angles
c) measuring bearings of the lines
d) none of the above
4) Infiltration capacity
a) is a constant factor
b) changes with time
c) changes with location
d) changes with both time and location
5) Los Angeles testing machine is used to conduct
a) abrasion test
b) impact test
c) attrition test
d) crushing strength test
6) In C.B.R test, the value of C.B.R is calculated at
a) 2.5 mm penetration only
b) 5.0 mm penetration only
c) 7.5 mm penetration only
d) both 2.5 mm and 5.0 mm penetrations
7) When the rail ends rest on a joint sleeper, the joint is termed as
a) supported rail joint
b) suspended rail joint
c) bridge joint
d) base joint
8) Turbidity is measured on
a) standard silica scale
b) standard cobalt scale
c) standard platinum scale
d) platinum cobalt scale
9) Which of the following soils has more plasticity index?
a) sand
b) silt
c) clay
d) gravel
10) The age of a tree can be known by examining
a) cambium layer
b) annular rings
c) medullary rays
d) heart wood
ANSWERS :
1) c
2) b
3) b
4) d
5) a
6) d
7) a
8) a
9) c
10) b
