T10 Quiz Transformer Phase -2

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Q1:- Transformer works on 

1. a.c.
2. d.c.
3. both 
4. pulsating d.c.

ANSWER:-1

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Q2:- Transformer is a 

1. roating device
2. static device
3. magnetic device
4. none

ANSWER:-2

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Q3:- Transformer works on the principle of 

1. self induction 
2. mutual induction
3. faraday's law of electro magnetic induction
4. self and mutual induction both

ANSWER:-4

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Q4:- Different type of transformers are

1. core type 
2. shell type
3. berry type
4. all

ANSWER:-4

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Q5:- Rating of the transformet

1. kva
2. kvar
3. kw
4. watts

ANSWER:-1

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Q6:- If the i/p voltage is 100 V and o/p voltage is 200 V ,which side of the transformer winding wil be primary

1. 200 V
2. 100 V
3. winding with more turns
4. winding with less turns

ANSWER:-4

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Q7:- The transformation ratio of a transformer is 

1. I2/I1
2. N1/N2
3. N2/N1
4. All

ANSWER:-3

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Q8:- Shell type transformer is commonly used because

1. it has more magnetic fux ekage
2. it has less magnetic lekage
3. it has two magnetic path
4. both 2 and 3 are correct

ANSWER:-4

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Q9:- Transformer is commonly used because 

1. it has high efficiency 
2. frequency remains constant
3. construction cost per KVA is less as compared to other machine
4. all

ANSWER:-4

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Q10:- The emf induced in the secondary winding depends upon 

1. number of turns
2. flux
3. supply frequency
4. all

ANSWER:-4

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