1) What is the full form of the abbreviation UPS?
Correct Answer: Uninterrupted Power Supply
2) What is the range of specific gravity of lead acid battery, under discharged condition?
Correct Answer: 1.11 to 1.14
3) How batteries are rated?
Correct Answer: Ampere hour
4) Which device is converts direct current to alternating current?
Correct Answer: Invertor