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All Electrical Engineering MCQs

Study 3,658 Electrical Engineering MCQs with correct answers and explanations.

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2251Electrical EngineeringMedium

The fuel used in nuclear reactor is________?

Aradium

Ball of the above

Curanium

Dcadmium

Correct answer

C. uranium

Explanation

The correct answer is uranium.

2252Electrical EngineeringMedium

Which of the following state capitals is not on broad gauge track?

AChandigarh

BJaipur

CLucknow

DBhopal

Correct answer

B. Jaipur

Explanation

The correct answer is Jaipur.

2253Electrical EngineeringMedium

In selenium rectifiers efficiencies ranging from to percent are attainable?

A75, 85

B40, 50

C25, 35

D60, 70

Correct answer

A. 75, 85

Explanation

The correct answer is 75, 85.

2254Electrical EngineeringMedium

The relay with inverse time characteristic will operate within________?

A20 to 30 sec

Bnone of the above

C5 to 10 sec

D1.5 sec

E5 to 20 sec

Correct answer

C. 5 to 10 sec

Explanation

The correct answer is 5 to 10 sec.

2255Electrical EngineeringMedium

Shunt generators are most suited for stable parallel operation because of their________?

Adrooping voltage characteristics

Blinear voltage characteristics

Cidentical voltage characteristics

Drising voltage characteristics

Correct answer

A. drooping voltage characteristics

Explanation

The correct answer is drooping voltage characteristics.

2256Electrical EngineeringMedium

In D.C. machines, ir order to prevent excessive distortion of field form by the armature reaction, the field mmf must be made________?

Aless in comparison with the armature mmf

Blarge in comparison with the armature mmf

Cnone of the above

Dequal to that of armature mmf

Correct answer

B. large in comparison with the armature mmf

Explanation

The correct answer is large in comparison with the armature mmf.

2257Electrical EngineeringMedium

The resistance in the circuit of the moving coil of a dynamometer wattmeter should be________?

Ahigh

Bnone of the above

Clow

Dalmost zero

Correct answer

A. high

Explanation

The correct answer is high.

2258Electrical EngineeringMedium

Which of the following meters are not used on D.C. circuits________?

AInduction meters

BMercury motor meters

CNone of the above

DCommutator motor meters

Correct answer

A. Induction meters

Explanation

The correct answer is Induction meters.

2259Electrical EngineeringMedium

Short circuiting of a cell may be caused________?

Aexcessive accumulation of sediment

Blead particles forming circuit between positive and negative plates

Cfaulty separators

Dbuckling of plates

Eany one of above

Correct answer

E. any one of above

Explanation

The correct answer is any one of above.

2260Electrical EngineeringMedium

highest conductivity________?

Agood corrosion resistance

Bgood mechanical strength

Call of the above

Deasy solderable and drawable quality

Elowest temperature co-efficient

Correct answer

C. all of the above

Explanation

The correct answer is all of the above.

2251Electrical EngineeringMedium

The fuel used in nuclear reactor is________?

Aradium

Ball of the above

Curanium

Dcadmium

Correct answer

C. uranium

Explanation

The correct answer is uranium.

2252Electrical EngineeringMedium

Which of the following state capitals is not on broad gauge track?

AChandigarh

BJaipur

CLucknow

DBhopal

Correct answer

B. Jaipur

Explanation

The correct answer is Jaipur.

2253Electrical EngineeringMedium

In selenium rectifiers efficiencies ranging from to percent are attainable?

A75, 85

B40, 50

C25, 35

D60, 70

Correct answer

A. 75, 85

Explanation

The correct answer is 75, 85.

2254Electrical EngineeringMedium

The relay with inverse time characteristic will operate within________?

A20 to 30 sec

Bnone of the above

C5 to 10 sec

D1.5 sec

E5 to 20 sec

Correct answer

C. 5 to 10 sec

Explanation

The correct answer is 5 to 10 sec.

2255Electrical EngineeringMedium

Shunt generators are most suited for stable parallel operation because of their________?

Adrooping voltage characteristics

Blinear voltage characteristics

Cidentical voltage characteristics

Drising voltage characteristics

Correct answer

A. drooping voltage characteristics

Explanation

The correct answer is drooping voltage characteristics.

2256Electrical EngineeringMedium

In D.C. machines, ir order to prevent excessive distortion of field form by the armature reaction, the field mmf must be made________?

Aless in comparison with the armature mmf

Blarge in comparison with the armature mmf

Cnone of the above

Dequal to that of armature mmf

Correct answer

B. large in comparison with the armature mmf

Explanation

The correct answer is large in comparison with the armature mmf.

2257Electrical EngineeringMedium

The resistance in the circuit of the moving coil of a dynamometer wattmeter should be________?

Ahigh

Bnone of the above

Clow

Dalmost zero

Correct answer

A. high

Explanation

The correct answer is high.

2258Electrical EngineeringMedium

Which of the following meters are not used on D.C. circuits________?

AInduction meters

BMercury motor meters

CNone of the above

DCommutator motor meters

Correct answer

A. Induction meters

Explanation

The correct answer is Induction meters.

2259Electrical EngineeringMedium

Short circuiting of a cell may be caused________?

Aexcessive accumulation of sediment

Blead particles forming circuit between positive and negative plates

Cfaulty separators

Dbuckling of plates

Eany one of above

Correct answer

E. any one of above

Explanation

The correct answer is any one of above.

2260Electrical EngineeringMedium

highest conductivity________?

Agood corrosion resistance

Bgood mechanical strength

Call of the above

Deasy solderable and drawable quality

Elowest temperature co-efficient

Correct answer

C. all of the above

Explanation

The correct answer is all of the above.

All Electrical Engineering MCQs

The fuel used in nuclear reactor is________?

Which of the following state capitals is not on broad gauge track?

In selenium rectifiers efficiencies ranging from ________ to ________ percent are attainable?

The relay with inverse time characteristic will operate within________?

Shunt generators are most suited for stable parallel operation because of their________?

In D.C. machines, ir order to prevent excessive distortion of field form by the armature reaction, the field mmf must be made________?

The resistance in the circuit of the moving coil of a dynamometer wattmeter should be________?

Which of the following meters are not used on D.C. circuits________?

Short circuiting of a cell may be caused________?

highest conductivity________?

All Electrical Engineering MCQs

The fuel used in nuclear reactor is________?

Which of the following state capitals is not on broad gauge track?

In selenium rectifiers efficiencies ranging from ________ to ________ percent are attainable?

The relay with inverse time characteristic will operate within________?

Shunt generators are most suited for stable parallel operation because of their________?

In D.C. machines, ir order to prevent excessive distortion of field form by the armature reaction, the field mmf must be made________?

The resistance in the circuit of the moving coil of a dynamometer wattmeter should be________?

Which of the following meters are not used on D.C. circuits________?

Short circuiting of a cell may be caused________?

highest conductivity________?

In selenium rectifiers efficiencies ranging from to percent are attainable?

In selenium rectifiers efficiencies ranging from to percent are attainable?