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ITI
Electrician
Electrician Set-2
Inverter and UPS
24

Inverter and UPS MCQ with Answers

24) What is the effect during loading of the cell, the current strength falls and become zero?

Buckling

Polarization

Local action

Amalgamation

Answer is:

Polarization

Inverter and UPS MCQ with Answers

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Related Inverter and UPS MCQ with Answers

25) What is the reason for having low back up time in UPS?

Fault in inverter circuit

Battery is short circuited

Mains earthing is not proper

Ampere hour (A.H) capacity of battery is not sufficient

Answer is:

Ampere hour (A.H) capacity of battery is not sufficient

26) Which is the cause for the fault if the output voltage of UPS is higher than normal?

Battery get short circuited

Defective feedback circuit

Input voltage is very high

Relay points are joined together

Answer is:

Defective feedback circuit

27) What is the reason for tripping the UPS with full load?

Main supply failure

Incorrect over load settings

Battery charger input fuse blown out

Loose connection in battery terminal

Answer is:

Incorrect over load settings

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