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Design Electrical Machines
Design Electrical Machines Interview
Quiz 1
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Q.1
How many number of insulation classes are present with respect to electrical equipment?
a) 5
b) 6
c) 7
d) 8
Q.2
How many classes have their temperatures above 100°C?
a) 5
b) 6
c) 7
d) 8
Q.3
How many classes have their temperatures above 150°C?
a) 2
b) 3
c) 4
d) 5
Q.4
Which class has the lowest and the highest temperature?
a) Class Y, Class C
b) Class Y, Class H
c) Class H, Class C
d) Class B, Class H
Q.5
Class A has higher temperature than Class E.
a) True
b) False
Q.6
What is the temperature of Class B?
a) 120°C
b) 130°C
c) 155°C
d) 180°C
Q.7
Which among the following is the example of Class Y?
a) Varnish
b) Insulation oil
c) Paper
d) Resins
Q.8
Which among the following is the example of Class B?
a) Inorganic material with adhesives
b) Hard fiber
c) Wood
d) Impregnated oil
Q.9
Which among the following is an example of Class F?
a) Paper lamination
b) Nitrile rubber
c) Asbestos
d) Silicone
Q.10
Silicone rubber is an example of Class H.
a) True
b) False
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