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Wireman
COMMERCIAL WIRING
Set 4
Set 4
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Q13649
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Which electrical / electronic device requires ups?
A
Air conditioner
B
Micro wave oven
C
Compute
D
Television
Q13650
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Why the battery is to be placed nearer to ups in ups wiring?
A
To minimise the length of cable
B
For safety rea
C
To increase the life of bat
D
To reduce voltage drop
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What adjustment is to be done in commercial installation for interconnection of two or more UPS?
A
By connecting manually
B
By using a change over relay
C
By using rotary switch
D
By using ICDP switch
Q13652
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How the capacity of an inverter is expressed?
A
Watt hour
B
Ampere
C
Volt ampere
D
Ampere hour
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Which wire is used to connect inverter and battery?
A
PVC 1.5 sqmm copper wire
B
Special auto wire
C
PVC 1.5 sqmm aluminium wire
D
PVC 2.5 sqmm copper wire
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