Q.1.
Is not a part of ball bearing?
Q.2.
Which of the following motors are preferred for overhead traveling cranes?
Q.3.
Which of the following motors is preferred when quick speed reversal is the main consideration?
Q.4.
For blowers which of the following motor is preferred?
Q.5.
For derris and winches which of the following drives can be used?
Q.6.
Which of the following motors is preferred for traction work?
Q.7.
Belted slip ring induction motor is almost invariably used for
Q.8.
The characteristics of drive for crane hoisting and lowering are which of the following?
Q.9.
The starting torque of a D.C. motor is independent of which of the following?
Q.10.
________ need frequent starting and stopping of electric motors,
Q.11.
The load cycle for a motor driving a power press will be
Q.12.
A reluctance motor
Q.13.
Heavy duty cranes are used in
Q.14.
Which of the following motors is used for elevators?
Q.15.
Light duty cranes are used in which of the following?
Q.16.
Reluctance motor is a
Q.17.
Flame proof motors are used in
Q.18.
The capacity of a crane is expressed in terms of
Q.19.
Battery operated scooter for braking uses
Q.20.
Which of the following motors always starts on load?
Q.21.
Which of the following motors are preferred for overhead traveling cranes?
Q.22.
Heat control switches are used in
Q.23.
The traveling speed of cranes varies from
Q.24.
The characteristics of drive for crane hoisting and lowering are which of the following?
Q.25.
Belted slip ring induction motor is almost invariably used for
Q.26.
For a particular application the type of electric and control gear are determined by which of the following considerations?
Q.27.
For crane travel which of the following motors is normally used?
Q.28.
The starting torque in case of centrifugal pumps is generally
Q.29.
Is not a part of ball bearing?
Q.30.
The diameter of the rotor shaft for an electric motor depends on which of the following?