Which motor is preferred for belt conveyors?
A.synchronous motor
B.wound rotor induction motor
C.double squirrel cage induction motor
D.None of the above
Category: Materials Handling Mcqs
In case of bridge girders
A.I-sections are used
B.box-girders are used
C.any of the above can be used
While dragging, the coefficient to friction (using steel plate) will be maximum in case of
A.soda ash
B.wet saw dust
C.cement
D.dry, hog fuel
Lifting magnets are used as material handling devices for
A.pig iron
B.billets
C.tubes
D.all of the above
Which of the following locomotive has the best acceleration characteristics?
A.Shunting engine
B.Steam engine
C.Electric engine
D.Diesel engine
Welded link wheel chains are surface hardened to
A.increase shock absorption capacity
B.increase load carrying capacity
C.provide adequate wear life
D.all of the above
Which of the following has lubricating action?
A.Cottonseed
B.Saw dust
C.Graphite
D.Rubber scrap
In case of excalators, the angle of incline from horizontal is
A.10?
B.15?
C.30?
D.45?
Hydraulic dredges are used in
A.river and harbour work
B.mining of gold
C.mining of platinum
D.mining of tin
All of these form explosive dust except
A.Soyabean flour
B.Starch
C.Sulphur
D.Pulverized Mica
