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What is the range of the power factor of electrolytic capacitors?
c Explanation: The minimum power factor of the electrolytic capacitor is 6. The maximum power factor of the electrolytic capacitor is 8.
c
See lessExplanation: The minimum power factor of the electrolytic capacitor is 6. The maximum
power factor of the electrolytic capacitor is 8.
What type of operations are used in the starting switches?
c Explanation: The starting switch is used to cut the auxillary winding when the motor attains 75% of the full load speed. The switches operate in both the centrifugal as well as mechanical operation
c
See lessExplanation: The starting switch is used to cut the auxillary winding when the motor
attains 75% of the full load speed. The switches operate in both the centrifugal as well
as mechanical operation
What material is used in the tunnel of the rotor of the single phase induction motor?
: a Explanation: The rotor consists of a block of slotted laminations. The slots form a series of tunnels that are filled with aluminium in its molten state
: a
See lessExplanation: The rotor consists of a block of slotted laminations. The slots form a series
of tunnels that are filled with aluminium in its molten state
What is/are the advantages of the skein winding?
d Explanation: The skein winding is the low cost to wind and to insert. It also permits some freedom of choice of distribution
d
See lessExplanation: The skein winding is the low cost to wind and to insert. It also permits some
freedom of choice of distribution
Which winding is mostly used winding in the single phase induction motor?
b Explanation: The concentric winding is the most widely used winding. It is also the most flexible winding of the windings used in the single phase induction motor.
b
See lessExplanation: The concentric winding is the most widely used winding. It is also the most
flexible winding of the windings used in the single phase induction motor.
What kind of motor employs the skein winding made use of?
b Explanation: The skein winding is one of the 3 kinds of single phase induction motor. The skein winding is used when fractional horse power single phase induction motor is used.
b
See lessExplanation: The skein winding is one of the 3 kinds of single phase induction motor.
The skein winding is used when fractional horse power single phase induction motor is
used.
When is the skein winding made use of?
a Explanation: Skein winding is one of the 3 kinds of single phase windings used. It is used when small amount of relatively small size wire is used.
a
See lessExplanation: Skein winding is one of the 3 kinds of single phase windings used. It is
used when small amount of relatively small size wire is used.
What is the form of the progressive windings?
: b Explanation: The progressive windings is one kind of the stator windings. They are in the form of the single layer diamond coil windings
: b
See lessExplanation: The progressive windings is one kind of the stator windings. They are in the
form of the single layer diamond coil windings
How are the poles and pitches in the concentric windings?
a Explanation: The concentric windings have a single pole for a common centre. They have different pitches for each individual coil.
a
See lessExplanation: The concentric windings have a single pole for a common centre. They
have different pitches for each individual coil.
How many kinds of single phase windings are present?
b Explanation: There are basically 3 kinds of single phase windings. They are concentric, progressive and skein
b
See lessExplanation: There are basically 3 kinds of single phase windings. They are concentric,
progressive and skein