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MCQ SET-1

Authored by Jyoshna Singh

Engineering

Vocational training

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MCQ SET-1
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

1 What is the name of the part marked as ‘X’ in DC generator?

A Armature core | आमिे र कोर

B Brush | ब्रश

C Commutator raiser | कम्यटुेटर रेज़र

D Commutator segment | कम्यटूेटर खंड

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for dynamically induced emf?

A. BLV volts | BLV वोल्ट

B .BL sinθ volts | BL sinθ वोल्ट

C. BLV sinθ volts | BLV sinθ वोल्ट

D. BLV cosθ volts | BLV cosθ वोल्ट

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the name of the part of DC generator?

A Stator | स्क्टेटर

B Pole core | ध्रुव कोर

C Pole shoes | पोल शू

D Yoke (or) frame | योक (या) फ्रे म

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many parallel paths in duplex lap winding of a 4 pole DC generator?

A .4

B. 6

C. 8

D .12

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the necessity of residual magnetism in a self excited DC generator?

A.Build up the voltage | वोल्टेज का ननमाकण करें

B .Reduce the field current | फील्ड करंट कम करें

C. Reduce armature current | आमेिर करंट कम करें

D . Maintain constant output voltage | ननयत आउटपटु वोल्टेज बनाए रखें

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of the compound generator, if the shunt field is connected in parallel with armature?

A. Long shunt compound | लॉन्ग शंट कं पाउं ड

B. Cumulative compound | संियी यौचगक

C. Differential compound | ववभेिक यौचगक

D. Short shunt compound | लघुशंट यौचगक

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the reason for DC generator fails to build up voltage?

A. Loose brush contact | ढीलेब्रश संयोजन

B. Armature resistance is more | आमिे र प्रनतरोध अचधक है

C. Field resistance is above critical resistance | फील्ड प्रनतरोध रांनतक प्रनतरोध सेऊपर है

D. Prime mover is running at above rated speed | प्राइम मवू र रेटेड गनत सेऊपर िल रहा है

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