www.McqFinder.in

Home
MCQ
Search
Free Apps
Important
Study Groups
Contact Us
Policy

Home
MCQ
Objective Questions
ITI
Electrician
Electrician Set-1
Transformers
4

Transformers MCQ - Electrician (Set-1) with Answers

4) Since, the cores of a transformer are made of silicon-steel, therefore :

copper-loss remains low

eddy-current-loss remains low

hysteresis-loss remains low

both copper and eddy-current losses remain low

Answer is:

hysteresis-loss remains low

Transformers MCQ - Electrician (Set-1) with Answers

For more MCQ's Click Here

Related Transformers MCQ - Electrician (Set-1) with Answers

5) The efficiency of a transformer stands high because :

it works on the principle of mutual induction

it is a static instrument

its windings remain immersed in the mineral oil

there is no loss of electric power in it

Answer is:

it is a static instrument

6) For equal capacity, a shell type transformer as compared to a core type transformer will have :

low copper-loss

low iron-loss

low copper and iron losses

high copper and iron losses

Answer is:

low iron-loss

7) If the supply frequency of a transformer is reduced then its iron-loss will be :

low

high

the same

very high

Answer is:

low

8) If the transformers have different voltage ratios and their parallel operation is desired then :

they will not work on load

they will not work at all

they will work at different power factors

they will work at an average voltage

Answer is:

they will not work at all

Transformers MCQ - Electrician (Set-1) with Answers

For more MCQ's Click Here