Electric Drives Controlling Speed Using Inductance Online Exam Quiz
Electric Drives Controlling Speed Using Inductance GK Quiz. Question and Answers related to Electric Drives Controlling Speed Using Inductance. MCQ (Multiple Choice Questions with answers about Electric Drives Controlling Speed Using Inductance
The slope of the V-I curve is 35.48°. Calculate the value of resistance. Assume the relationship between voltage and current is a straight line.
Options
A : 0.452 ?
B : 0.462 ?
C : 0.752 ?
D : 0.712 ?
Calculate the maximum value of slip when rotor resistance is 2 ? and rotor reactance is 3 ?.
Options
A : 0.66
B : 0.33
C : 0.44
D : 0.99
If induction motor air gap power is 2 KW and mechanically developed power is 1 KW, then rotor ohmic loss will be _________ KW.
Options
A : 1
B : 2
C : 3
D : 4
Calculate the total heat dissipated in a rotor resistor of 21 ? when .81 A current flows through it.
Options
A : 13.77 W
B : 12.56
C : 16.78 W
D : 13.98 W
R.M.S value of the sinusoidal waveform v(t)=211sin(7.25t+7?÷78.3).
Options
A : 149.19 V
B : 156.23 V
C : 116.57 V
D : 178.64 V
Calculate the voltage regulation in the synchronous machine if the no-load voltage is 12 V and the full load voltage is 15V.
Options
A : -20%
B : -40%
C : -60%
D : -80%
Calculate the line current in the delta connection when phase current=17 A.
Options
A : 29.44 A
B : 24.64 A
C : 23.48 A
D : 26.56 A
Calculate the peak value of sinusoidal waveform if the r.m.s value is 21 V.
Options
A : 29.69 V
B : 48.74 V
C : 69.23 V
D : 25.74 V
Calculate the line voltage in the delta connection when phase voltage=45 V.
Options
A : 46 V
B : 47 V
C : 45 V
D : 78 V
Calculate the active power in a 168.12 H inductor.
Options
A : 65 W
B : 0 W
C : 68 W
D : 64 W
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