Average weight/volume ration for ash is around
A.300 kg/m3
B.600 kg/m3
C.900 kg/m3
D.1200 kg/m3
Category: Materials Handling Mcqs
Electric overhead travelling cranes operate on
A.dc only
B.ac only
C.either ac or dc
Dozers are used for handling material by
A.dragging
B.pulling
C.pushing
D.Any of the above
Derricks are generally used
A.in quarries
B.for construction work
C.for outdoor works
D.Any of the above
Which one of the following is not a excavating and moving type machine?
A.Drag line
B.Clam shell
C.Scraper
D.Dump truck
In case of electric traction, power supply frequency for 25 kV single phase system is
A.16? Hz
B.25 Hz
C.50 Hz
D.60 Hz
Which of the following types of rail is not used on broad gauge?
A.115 R
B.90 m
C.60 R
D.75 R
The maximum degree of broad gauge line is
A.8?
B.10?
C.12?
D.14?
In case of belt conveyors, the permissible slope will be least while conveying
A.Lignite
B.Sand
C.Gravel pebbles
D.Wood chips
Belt life is reduced by
A.impact of loading
B.conveying horizontally as compared to incline
C.using pulverized materials
D.all of the above
