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For the following questions answer them individually
The starting torque of a 1-phase induction motor is
High
Moderate
Low
Zero
In a shaded pole single-phase motor, the revolving field is produced by the use of
inductor
capacitor
resistor
shading coils
The repulsion-start induction-run motor is used because of______.
good power factor
high efficiency
minimum cost
high starting torque
The rotor slots, in an induction motor, are usually not quite parallel to the shaft because it
improves the efficiency
helps the rotor teeth to remain under the stator teeth
helps in reducing the tendency of the rotor teeth to remain under the stator teeth
improves the power factor
A shaded pole motor can be used for
toys
hair dryers
circulators
any of the options
The rotor of a hysteresis motor is made of
aluminium
cast iron
chrome steel
copper
The main advantage of AC transmission system over DC transmission system is
easy transformation
less losses in transmission over long distances
less insulation problems
less problem of instability
Next lower voltage line feeding areas on either side of the main transmission line is called
secondary distribution
secondary transmission
primary transmission
primary distribution
ACSR stands for
All Copper Standard Reinforced Conductor
Aluminium Conductor Steel Reinforced Conductor
Aluminium Copper Steel Reinforced Conductor
All Copper Steel Reinforced Conductor
The insulating material for cables should have
high dielectric strength
high mechanical strength
low cost
all options are correct
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