Related Questions

Which IS codes gives details about elevators?
A IS 27752
B IS 38665
C IS 14665
D IS 27855
Which of the following motors is used for elevators?
A Induction motor
B Synchronous motor
C Capacitor start single phase motor
D Any of the above
Bucket elevators are used for
A carrying coal in horizontal direction
B carrying coal in vertical direction
C carrying coal in any direction
D none of the above
Bucket elevators are not suitable for the vertical lifting of __________ materials.
A Fine (e.g. - 200 mesh size coal)
B Sticky (e.g. clay paste)
C Small lumpy (e.g. grains and sand)
D Free flowing
For which of the following applications a D.C. motor is preferred over an A.C. motor?
A Low speed operation
B High speed operation
C Variable speed operation
D Fixed speed operation
If a D.C. motor is to be selected for conveyors, which motor would be preferred ?
A Series motor
B Shunt motor
C Differentially compound motor
D Cumulative compound motor
Slip ring motor is preferred over squirrel cage induction motor where
A High starting torque is required
B Load torque is heavy
C Heavy pull out torque is required
D All of the above
A wound rotor induction motor is preferred, as compared to squirrel cage induction motor, when major consideration is
A Slop speed operation
B High starting torque
C Low windage losses
D All of the above
A motor pool has 300 vehicles of which 30% are trucks. 20% of all the vehicles in the motor pool are diesel, including 15 trucks. What percent of the motor pool is composed of vehicles that are neither trucks nor diesel?
A 165%
B 90%
C 65%
D 10%
By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor?
A Frame
B Shaft
C Commutator
D Stator

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