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For the following questions answer them individually
Now-a-days, aluminium wires are more widely used than copper because
available in large quantity
high conductivity
good mechanical strength
low cost
Miniature Circuit Breakers (MCB) are used in domestic and commercial installations for control and protection. What is the range of current rating of single pole MCB commercially available?
2.0 to 6A
0.5 to 60A
1 to 62A
6 to 32A
Which typeoffanis called as fresh air fans
pedestal fan
ceiling fan
table fan
Exhaust Fan
The factor on which earth resistance value depends on
condition ofsoil
moisture control of soil
temperatureofsoil
all options are correct
The common material, which is used to make an HRC fuse is
Plastic
Glass
Aluminium
Copper
solators operate under which condition
load condition
fault condition
no current condition
short circuit condition
Which one of the following generators is used for charging batteries?
compound generator
shunt generator
series generator
tacho generator
material used for making electric plug is
porcelain
Bakelite
rubber
china clay
The typeofoil used in transformeris
olive
coconut
mineral
palm
In electric motor cooling; TEFC means
Total efficient fan cooled
Totally enclose fan cooled
Thermal Energy fan cooled
Tough energy fan coolebd
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