Electric Drives Multiple Choice Online Exam Quiz
Electric Drives Multiple Choice GK Quiz. Question and Answers related to Electric Drives Multiple Choice. MCQ (Multiple Choice Questions with answers about Electric Drives Multiple Choice
Calculate the De-rating factor if the string efficiency is 16 %.
Options
A : .84
B : .44
C : .5
D : .6
Calculate the compensator rating required for sin(?)=.13.
Options
A : 0.45 P.U
B : 0.12 P.U
C : 0.13 P.U
D : 0.82 P.U
Fifth lowest order harmonic present in 3-? fully controlled rectifier is __________
Options
A : 15th
B : 17th
C : 13th
D : 12th
Calculate the r.m.s value of thyristor current in 3-? Full wave converter for the load current=4 A and ?=12°.
Options
A : 2.3 A
B : 2.5 A
C : 2.7 A
D : 2.9 A
What is the formula for output voltage for 3-? Full wave bridge rectifier for R load for ? > 60°?
Options
A : 2Vml(1+cos(?+60°))÷?
B : 3Vml(1+cos(60°+?))÷2?
C : 3Vml(1+cos(60°+?))÷?
D : 6Vml(cos(?))÷?
What is the formula for output voltage for 3-? Full wave bridge rectifier for R load for ? < 60°?
Options
A : 2Vml(cos(?))÷?
B : 3Vml(cos(?))÷2?
C : 3Vml(cos(?))÷?
D : 6Vml(cos(?))÷?
What is the formula for output voltage for 3-? Full wave bridge rectifier for R-L load?
Options
A : 3Vml(cos(?))÷2?
B : 3Vml(cos(?))÷?
C : 2Vml(cos(?))÷?
D : 6Vml(cos(?))÷?
Calculate the average value of thyristor current in 3-? Full wave converter for the load current=9 A and ?=26°.
Options
A : 4 A
B : 5 A
C : 7 A
D : 3 A
____________ is the boundary for C.C.M and D.C.M mode in 3-? Full wave bridge rectifier for R load.
Options
A : 60°
B : 10°
C : 80°
D : 50°
Full form of DIAC is ___________
Options
A : Digital Alternating current
B : Discrete Alternating current
C : Diode for Alternating current
D : Digital Alternating counter
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