Derricks are generally used
A.in quarries
B.for construction work
C.for outdoor works
D.Any of the above
Category: Materials Handling Mcqs
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
All of the following are fragile except :
A.Carbon black (pellets)
B.Coffee beans
C.Borax
D.Glass tubes
In case of Indian Railway diesel engines which type of diesel engine is used?
A.V-type engine
B.Radial type engine
C.Multi-cylinder in line engine
D.Wankel engine
Lifting magnets cannot be used for
A.under water handling
B.handling materials above dull-red heat
C.handling dust of magnetic materials
D.handling ferrous castings
