In case of belt conveyors, while conveying earth, as excavated, the maximum permissible slope is around
A.10?
B.20?
C.30?
D.40?
Category: Materials Handling Mcqs
Which of the following condition of rail surface will offer the least resistance?
A.Very wet
B.Very dry
C.Average dampness
D.Greasy
The motions of crane-hoisting, trolley traversing and bridging may be powered by
A.electric motors
B.air motors
C.hydraulic units
D.Any of the above
The fuel consumption of a diesel engine per BHP per hour is nearly
A.100 cc
B.200 cc
C.300 cc
D.400 cc
The number of cylinders in case of steam locomotives is
A.One
B.Two
C.Four
D.Eight
The maximum degree of curvature on metre gauge is
A.8?
B.10?
C.12?
D.16?
The phenomenon of misalignment of rails due to temperature changes is known as
A.Creeping
B.Cropping
C.Buckling
D.Hogging
Pneumatic cranes are used where
A.electricity could be hazardous
B.advantage could be taken of existing air supply
C.either of (A) or (B) above
While dragging, the coefficient of friction (using steel plate) will be maximum in case of
A.anthracite
B.bituminous coal
C.coke
D.hog fuel, dry
While dragging, the coefficient of friction (using steel plate) will be least in case of
A.anthracite coal
B.bituminous coal
C.hog fuel
D.coke
