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Information and Communication Technology System Maintenance (ICTSM)
SPECIAL SEMI CONDUCTORS AND POWER SUPPLY
Set 7
Set 7
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Q7728
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What is the full form of the abbreviation UPS?
A
Unlimited Power Supply
B
Uninterrupted Power Supply
C
Uprooted Power Supply
D
Utility Power Supply
Q7729
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What is the range of specific gravity of lead acid battery, under discharged condition?
A
1.11 to 1.14
B
1.14 to 1.17
C
1.17 to 1.26
D
1.26 to 1.28
Q7730
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How batteries are rated?
A
Volt
B
Efficiency
C
Ampere hour
D
Wattage hour
Q7731
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Which device is converts direct current to alternating current?
A
Diode
B
Invertor
C
Rectifier
D
Zener diode
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