- The torque developed by a 3-phase induction motor is approximately proportional to
Under construction.
- The frequency of rotor currents at standstill is equal to
Under construction.
- Insertion of resistance in the rotor circuit of an induction motor to develop a given torque causes ______________ in the rotor current.
Under construction.
- The torque developed in an induction motor is nearly proportional to
Under construction.
- The starting torque of a 3-phase induction motor varies as
Under construction.
- For a constant torque load, the supply voltage of squirrel cage induction motor is reduced by a factor of 0.707, its rotor electric current is modified by a factor
Under construction.
- In a 3-phase induction motor, the starting torque will be maximum when
Under construction.
- The starting torque of a squirrel cage induction motor is
Under construction.
- For achieving high starting torque and high operation efficiency an induction motor should have ________________ rotor circuit resistance at starting and ________________ circuit resistance under operating condition.
Under construction.
- In a 3-phase induction motor, if stator impedance is neglected, then slip at maximum torque equal to
Under construction.
- Breakdown torque of a 3-phase induction motor of negligible stator impedance is
Under construction.
- Beyond the point of maximum torque any further increase in load will cause
Under construction.
- In an induction motor, maximum torque varies as
Under construction.
- Pull out torque in an induction motor occurs when power factor becomes
Under construction.
- On decreasing the applied rated voltage/phase by one half, the starting torque of an induction motor becomes times of starting torque with full voltage
Under construction.
- For 4 % drop in supply voltage, the torque of an induction motor increase by
Under construction.
- In an induction motor, the torque in Nm is given as
Under construction.
- If a motor shows symptoms of loss of torque with excessive vibrations, it can be concluded that
Under construction.
- If the slip of the rotor of an induction motor is halved, the value of rotor reactance
Under construction.
- The condition for maximum torque of the rotor of an induction motor is
Under construction.

Design with by SARU TECH