Electric Drives Switch Reluctance Motor Drives Online Exam Quiz
Electric Drives Switch Reluctance Motor Drives GK Quiz. Question and Answers related to Electric Drives Switch Reluctance Motor Drives. MCQ (Multiple Choice Questions with answers about Electric Drives Switch Reluctance Motor Drives
Calculate the value of the duty cycle if the system is on for 1 sec and off for 17 sec.
Options
A : .055
B : .781
C : .484
D : .947
Calculate mark to space ratio if the system is on for 4 sec and off time is 9 sec.
Options
A : .54
B : .44
C : .45
D : .46
Reluctance motor operates at power factor of __________
Options
A : .8
B : .2
C : .3
D : .9
Calculate the value of the Input power factor for 3-? Fully controlled rectifier if the firing angle value is 90°.
Options
A : 0
B : .2
C : .3
D : .4
Calculate the reactive power in a 24.5 ? resistor.
Options
A : 0 VAR
B : 5 VAR
C : 8 VAR
D : 9 VAR
Calculate the value of Crest factor if Vpeak=798 V and Vr.m.s=489 V.
Options
A : 1.63
B : 1.54
C : 1.59
D : 1.26
Calculate the circuit turn-off time for 3-? Fully controlled rectifier if the firing angle is 120° and supply frequency is 60 Hz.
Options
A : 1.8 msec
B : 3.2 msec
C : 6.3 msec
D : 2.7 msec
Calculate the circuit turn-off time for 3-? Fully controlled rectifier if the firing angle is 27° and supply frequency is 50 Hz.
Options
A : 11.8 msec
B : 14.4 msec
C : 16.1 msec
D : 16.5 msec
Calculate peak-peak voltage if Vmax=180 V and Vmin=60 V.
Options
A : 120 V
B : 150 V
C : 170 V
D : 110 V
Calculate the value of the frequency if the inductive reactance is 60 ? and the value of the inductor is 4 H.
Options
A : 2.38 Hz
B : 5.54 Hz
C : 4.65 Hz
D : 9.42 Hz
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