1. Turn-on and turn-off times of transistor depend on _________ A. Static Characteristic B. Junction Capacitance C. Current Gain D. Voltage Gain 2. The generated e.m.f from 45-pole armature having 400 turns driven at 70 rev/sec having flux per pole as 90 mWb, with 17 parallel paths is ___________ A. 13341.17 V B. 12370.14 …
1. Turn-on and turn-off times of transistor depend on _________ A. Static Characteristic B. Junction Capacitance C. Current Gain D. Voltage Gain 2. The generated e.m.f from 45-pole armature having 400 turns driven at 70 rev/sec having flux per pole as 90 mWb, with 17 parallel paths is ___________ A. 13341.17 V B. 12370.14 …
1. In DC chopper, the waveform for input and output voltages is respectively __________ A. Discontinuous and Continuous B. Continuous and Discontinuous C. Both continuous D. Both discontinuous 2. A chopper behaves as a __________ A. DC equivalent of AC switching device B. DC equivalent of AC transformer C. DC equivalent of AC relay …
1. In DC chopper, the waveform for input and output voltages is respectively __________ A. Discontinuous and Continuous B. Continuous and Discontinuous C. Both continuous D. Both discontinuous 2. A chopper behaves as a __________ A. DC equivalent of AC switching device B. DC equivalent of AC transformer C. DC equivalent of AC relay …
1. In DC chopper, the waveform for input and output voltages is respectively __________ A. Discontinuous and Continuous B. Continuous and Discontinuous C. Both continuous D. Both discontinuous 2. A chopper behaves as a __________ A. DC equivalent of AC switching device B. DC equivalent of AC transformer C. DC equivalent of AC relay …
1. Swinburne’s test can be conducted on ___________ A. Series motor B. Shunt motor C. Compound motor D. Shunt and compound motor 2. The generated e.m.f from 20-pole armature having 800 conductors driven at 30 rev/sec having flux per pole as 60 mWb, with 16 parallel paths is ___________ A. 1900 V B. 1840 …
DC Motor Drive MCQ [Free PDF] – Objective Question Answer for DC Motor Drive Quiz Read More »
1. Swinburne’s test can be conducted on ___________ A. Series motor B. Shunt motor C. Compound motor D. Shunt and compound motor 2. The generated e.m.f from 20-pole armature having 800 conductors driven at 30 rev/sec having flux per pole as 60 mWb, with 16 parallel paths is ___________ A. 1900 V B. 1840 …
Dynamics of Electric Drives MCQ 1. Load torques can be classified into how many types? A. Three B. Two C. Four D. Five 2. 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 …
1. What is the formula for the active power in the cylindrical rotor synchronous machine? (Eb represents armature emf, Vt represents terminal voltage, δ represents rotor angle, X represents reactance) A. Eb×Vt×sinδ÷X B. Eb×Vt2×sinδ÷X C. Eb2×Vt×sinδ÷X D. Eb×Vt×sinδ÷X2 2. Salient pole machines are more stable than cylindrical rotor machines. A. True B. False 3. The …
1. A 4-pole lap wound generator with 720 armature conductors and a flux per pole of .003 Wb has an armature current of 50 A. The developed torque is _________ A. 17.25 N-m B. 17.19 N-m C. 16.54 N-m D. 16.89 N-m 2. The generated e.m.f from 70-pole armature having 100 conductors driven at …
