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For the following questions answer them individually
In transmissionline generally, the wires used are
ASCRwires
copper wires
iron wires
aluminium wires
Which one of the material is used to fix the screw on concrete wall and ceiling?
Link clips
Bushings
Saddles
Rowlplug
Which type of insulation covering the conductor used for low voltage?
Poly-vinyl Chloride(P.V.C)
Paper
vulcanised Indian Rubber(V.I.R)
Cotton and Silk Insulation
Cheapest system of wiring is
casing and capping
cleat wiring
batten wiring
conduit wiring
which type of wiring having very long life
Conduit wiring
casing capping wiring
Bucholz relay is operated by
eddy currents
gas pressure
electromagnetic induction
electrostatic induction
The main consideration in designing feedersis
current carrying capacity
voltage drop
resistance
transmission voltage
Speed ofthe ceiling fan is about
up to 10 rpm
up to 200 rpm
up to 450 rpm
up to 10000rpm
The air preheater in thermal powerplant is called as
safety device
efficiency increasing equipment
Starting device
Very essential device
In synchronous motor damperwinding is placed at
stator
rotor
both stator and rotor
yoke
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