Question: Effect of friction torque is more pronounced A. when the drive is running on full speed B. when the drive is being started C. when the drive is being stopped D. when the drive at half of its normal…

Question: Rolling mills exhibit what type of load torque characteristics? A. Constant torque characteristics B. Linearly rising torque characteristics C. Non-Linearly rising torque characteristics D. Non-Linearly decreasing torque characteristics Answer» d. Non-Linearly decreasing torque characteristics Note: The above multiple-choice question…

Question: Type-A chopper is used for obtaining which type of mode? A. Motoring mode B. Regenerative braking mode C. Reverse motoring mode D. Reverse regenerative braking mode Answer» a. Motoring mode Note: The above multiple-choice question is for all general…

Question: To save the energy during braking A. dynamic braking is used B. plugging is used C. regenerative braking is used D. mechanical braking is used. Answer» c. regenerative braking is used Note: The above multiple-choice question is for all…

Question: Rotor resistance speed control is used in A. squirrel cage induction motor B. synchronous motor C. slip ring induction motor D. dc shunt motor. Answer» c. slip ring induction motor Note: The above multiple-choice question is for all general…

Question: Boost converter is used to _________ A. Step down the voltage B. Step up the voltage C. Equalize the voltage D. Step up and step down the voltage Answer» b. Step up the voltage Note: The above multiple-choice question…

Question: Most commonly used ac motor is A. Synchronous motor B. Slip ring induction motor C. Squirrel cage induction motor D. ac commutator induction motor. Answer» c. Squirrel cage induction motor Note: The above multiple-choice question is for all general…