Which of the following condition of rail surface will offer the least resistance?
A.Very wet
B.Very dry
C.Average dampness
D.Greasy
A.Very wet
B.Very dry
C.Average dampness
D.Greasy
A.electric motors
B.air motors
C.hydraulic units
D.Any of the above
A.100 cc
B.200 cc
C.300 cc
D.400 cc
A.One
B.Two
C.Four
D.Eight
A.8?
B.10?
C.12?
D.16?
A.Creeping
B.Cropping
C.Buckling
D.Hogging
A.electricity could be hazardous
B.advantage could be taken of existing air supply
C.either of (A) or (B) above
A.anthracite
B.bituminous coal
C.coke
D.hog fuel, dry
A.anthracite coal
B.bituminous coal
C.hog fuel
D.coke
A.Belt conveyor
B.Pneumatic conveyor
C.Screw conveyor
D.Any of the above