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Why shunt capacitor is used?
asked
Mar 15, 2018
by
anonymous
Why shunt capacitor is used?
shunt
capacitor
used
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1
Answer
answered
Aug 25, 2019
by
anonymous
To improve voltage at receiving end and power factor
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asked
Mar 15, 2018
by
anonymous
Why capacitor bank is used?
Why capacitor bank is used?
Last answer:
In industrial or factory used E.B Power supply must be maintained above 0.90 power factor is compulsory for avoid EB Penalty. So APFC ( automatic Power factor control ) panel is used to maintained balance the load and PF maintained.
capacitor
bank
used
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148
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asked
Mar 15, 2018
by
anonymous
Which capacitor is used for high frequency?
Which capacitor is used for high frequency?
capacitor
used
high
frequency
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67
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0
answers
asked
May 8, 2018
by
anonymous
Shunt compensation in an EHV line is used to
Shunt compensation in an EHV line is used to (A) Improve stability. (B) Improve the voltage profile. (C) Reduce the fault level. (D) Substitute for synchronous phase modifier.
Last answer:
Shunt compensation in an EHV line is used to Improve the voltage profile.
shunt
compensation
ehv
line
used
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1
answer
asked
Sep 6, 2018
by
anonymous
State the use of shunt and series resistance used in extension of meter.
State the use of shunt and series resistance used in extension of meter.
Last answer:
Use of shunt and series resistance: i) Use of shunt: To extend the range of Ammeter. ii) Use of series resistance: To extend the range of Voltmeter.
shunt
series
resistance
used
extension
meter
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1
answer
asked
Mar 20, 2018
by
anonymous
D.C. shunt motors are used for driving?
Last answer:
D.C. shunt motors are used for driving machine tools.
dc
shunt
motors
used
driving
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68
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1
answer
asked
Mar 21, 2018
by
anonymous
Commonly used standard capacitor is?
Last answer:
Commonly used standard capacitor is concentric cylindrical type.
commonly
used
standard
capacitor
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1
answer
asked
Mar 20, 2018
by
anonymous
In a two value capacitor motor, the capacitor used for running purposes is?
Last answer:
In a two value capacitor motor, the capacitor used for running purposes is paper spaced oil filled type.
two
value
capacitor
motor
used
running
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81
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1
answer
asked
Apr 29, 2018
by
anonymous
Which of the following can be used to measure the capacitance of a capacitor?
Which of the following can be used to measure the capacitance of a capacitor? A) Rheostat B) Schering bridge C) Wheatstone bridge D) None of these
Last answer:
Which of the following can be used to measure the capacitance of a capacitor? A) Rheostat B) Schering bridge C) Wheatstone bridge D) None of these
used
measure
capacitance
capacitor
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1
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asked
Mar 20, 2018
by
anonymous
The capacitors used in single-phase capacitor motors have no?
Last answer:
The capacitors used in single-phase capacitor motors have no polarity marking.
capacitors
used
single-phase
capacitor
motors
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105
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1
answer
asked
Sep 2, 2019
by
anonymous
Why is a capacitor used in a single phase motor and not in three phase motor ?
Why is a capacitor used in a single phase motor and not in three phase motor ?
Last answer:
In 1-phase induction motor capacitor work is generate the auxiliary winding current than excite the main winding to rotor starts rotate. After rotor start rotating about 75% of their speed than auxiliary ... emf to start the motor.so,in 3-phase induction motor is self start induction motor.
capacitor
single
three
phase
motor
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6
answers
asked
Aug 18, 2019
by
anonymous
Why is a capacitor used in a ceiling fan ?
Why is a capacitor used in a ceiling fan ?
Last answer:
For splitting phase so that a rotating magnetic field will be produced & as per Lenz's law a torque will be created & rotor starts rotating. In single phase if capacitor is not used for split phase then a pulsating mag. field is produced which is unable to produce torque on rotor
capacitor
ceiling
fan
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202
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3
answers
asked
Jul 5, 2019
by
anonymous
Why does the speed of a DC shunt motor decrease as the load increases?
Why does the speed of a DC shunt motor decrease as the load increases?
Last answer:
Because if the load is increasing then the torque must also be increase. If not then the speed of motor will decrease.
why
does
the
speed
of
a
dc
shunt
motor
decrease
as
load
increases
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1
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asked
Sep 19, 2017
by
anonymous
Why we have to change the capacitor of ceiling fan after some months?
Last answer:
Capacitor use in fan is made up of dielectic material which is in semi solid material having high capacity.but generation of heat in capacitor the semi solid material converted into dry solid because of ... capacity becomes lower and lower so for good result of our fan we have to change it.
ceiling
fan
capacitor
change
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108
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1
answer
asked
Mar 15, 2018
by
anonymous
What is the role of a capacitor in a circuit?
What is the role of a capacitor in a circuit?
role
capacitor
circuit
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asked
Mar 15, 2018
by
anonymous
What is the basic use of capacitor?
What is the basic use of capacitor?
basic
use
capacitor
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0
answers
asked
Mar 15, 2018
by
anonymous
What is the basic function of a capacitor?
What is the basic function of a capacitor?
basic
function
capacitor
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55
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0
answers
asked
Mar 15, 2018
by
anonymous
What is the direction of flow when charging a capacitor?
What is the direction of flow when charging a capacitor?
direction
flow
charging
capacitor
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60
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0
answers
asked
Mar 15, 2018
by
anonymous
What is the symbol of a capacitor?
What is the symbol of a capacitor?
Last answer:
symbol of a capacitor
symbol
capacitor
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144
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1
answer
asked
Mar 15, 2018
by
anonymous
How do you know when a capacitor is bad?
How do you know when a capacitor is bad?
capacitor
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105
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0
answers
asked
Mar 15, 2018
by
anonymous
Which side of a capacitor is negative?
Which side of a capacitor is negative?
Last answer:
In electrolytic type negative is shorter lead and usually mark in the tank. But of course not applicable to non-polar.
side
capacitor
negative
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110
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1
answer
asked
Mar 15, 2018
by
anonymous
What are the characteristics of a capacitor?
What are the characteristics of a capacitor?
characteristics
capacitor
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75
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0
answers
asked
Mar 15, 2018
by
anonymous
How do you discharge a capacitor in a microwave?
How do you discharge a capacitor in a microwave?
discharge
capacitor
microwave
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49
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0
answers
asked
Mar 15, 2018
by
anonymous
How do you charge a capacitor with a battery?
How do you charge a capacitor with a battery?
Last answer:
The capacitor is connected in parallel with the battery.
charge
capacitor
battery
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104
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1
answer
asked
Mar 15, 2018
by
anonymous
How do I discharge a capacitor?
How do I discharge a capacitor?
capacitor
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68
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0
answers
asked
Mar 15, 2018
by
anonymous
How do you test a capacitor with a multimeter?
How do you test a capacitor with a multimeter?
test
capacitor
multimeter
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114
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0
answers
asked
Aug 25, 2019
by
anonymous
If field current is decreased in shunt dc motor, the speed of the motor
If field current is decreased in shunt dc motor, the speed of the motor (a) remains same. (b) increases. (c) decreases. (d) none of the above.
Last answer:
increases
shunt
dc
motor
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4
answers
asked
May 3, 2018
by
anonymous
A 200 V dc shunt motor is running at 1000 rpm and drawing a current of 10 A. Its armature winding resistance
A 200 V dc shunt motor is running at 1000 rpm and drawing a current of 10 A. Its armature winding resistance is 2 Ohm. It. is braked by plugging. The resistance to be connected in series with armature to restrict armature current to 10 A, is
Last answer:
A 200 V dc shunt motor is running at 1000 rpm and drawing a current of 10 A. Its armature winding resistance is 2 Ohm. It. is braked by plugging. The resistance to be connected in series with armature to restrict armature current to 10 A, is 36 Ohm
dc
shunt
motor
running
current
armature
winding
resistance
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169
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1
answer
asked
Apr 28, 2018
by
anonymous
A shunt fault is characterized by
A shunt fault is characterized by (A) Increase in current, frequency and pf (B) Increase in current, reduction in frequency and pf (C) Increase in current and frequency, reduction in pf (D) Decrease in current and frequency
Last answer:
B
shunt
fault
characterized
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587
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2
answers
asked
Mar 21, 2018
by
anonymous
The function of shunt in an ammeter is to?
Last answer:
The function of shunt in an ammeter is to by pass the current.
function
shunt
ammeter
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254
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1
answer
asked
Mar 21, 2018
by
anonymous
A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave?
Last answer:
A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be of 5 Hz.
sinusoidal
field
shunt
generator
armature
voltage
wave
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127
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1
answer
asked
Mar 21, 2018
by
anonymous
The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm...
The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be?
Last answer:
The e.m.f. induced in the armature of a shunt generator is 600 V. The armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal voltage will be 580 V.
shunt
generator
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286
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1
answer
asked
Mar 21, 2018
by
anonymous
In a shunt generator the voltage build up is generally restricted by?
shunt
generator
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126
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0
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asked
Mar 20, 2018
by
anonymous
If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens?
Last answer:
If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens this will make armature to take heavy current, possibly burning it.
dc
shunt
motor
working
full
load
field
circuit
suddenly
opens
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99
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1
answer
asked
Mar 20, 2018
by
anonymous
The purpose of retardation test on D.C. shunt machines is to find out?
Last answer:
The purpose of retardation test on D.C. shunt machines is to find out stray losses.
dc
shunt
machines
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1
answer
asked
Mar 20, 2018
by
anonymous
If the speed of a D.C. shunt motor is increased, the back e.m.f. of the motor will?
Last answer:
If the speed of a D.C. shunt motor is increased, the back e.m.f. of the motor will increase.
speed
dc
shunt
motor
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111
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1
answer
asked
Mar 20, 2018
by
anonymous
For a D.C. shunt motor if the excitation is changed?
Last answer:
For a D.C. shunt motor if the excitation is changed torque will change but power will remain constant.
dc
shunt
motor
excitation
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120
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1
answer
asked
Mar 20, 2018
by
anonymous
The armature torque of the D.C. shunt motor is proportional to?
Last answer:
The armature torque of the D.C. shunt motor is proportional to armature current.
armature
torque
dc
shunt
motor
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87
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1
answer
asked
Mar 20, 2018
by
anonymous
As the load is increased the speed of D.C. shunt motor will?
Last answer:
As the load is increased the speed of D.C. shunt motor will reduce slightly.
load
increased
speed
dc
shunt
motor
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105
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1
answer
asked
Mar 20, 2018
by
anonymous
The mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage is?
Last answer:
The mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage is 0.5.
mechanical
power
shunt
motor
maximum
ratio
back
emf
voltage
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144
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1
answer
asked
Mar 20, 2018
by
anonymous
In case of D.C. shunt motors the speed is dependent on back e.m.f. only because?
Last answer:
In case of D.C. shunt motors the speed is dependent on back e.m.f. only because flux is practically constant in D:C. shunt motors.
dc
shunt
motors
speed
back
emf
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145
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1
answer
asked
Mar 20, 2018
by
anonymous
In a D.C. shunt motor, speed is?
Last answer:
In a D.C. shunt motor, speed is independent of armature current.
dc
shunt
motor
speed
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61
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1
answer
asked
Mar 20, 2018
by
anonymous
In D.C. shunt motors as load is reduced?
Last answer:
In D.C. shunt motors as load is reduced the speed will remain almost constant.
dc
shunt
motors
load
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52
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1
answer
asked
Mar 20, 2018
by
anonymous
If the field of a D.C. shunt motor gets opened while motor is running?
Last answer:
If the field of a D.C. shunt motor gets opened while motor is running the motor will attain dangerously high speed.
field
dc
shunt
motor
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92
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1
answer
asked
Mar 20, 2018
by
anonymous
Shunt capacitance is neglected while considering?
Last answer:
Shunt capacitance is neglected while considering short transmission line.
shunt
capacitance
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61
views
1
answer
asked
Apr 23, 2020
by
anonymous
DC shunt motor
DC shunt motor
Last answer:
.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
dc
shunt
motor
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108
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2
answers
asked
Jul 27, 2019
by
anonymous
State any four applications of DC shunt motor.
State any four applications of DC shunt motor.
Last answer:
Applications of DC shunt motor: 1) Lathe machines 2) drilling machines 3) milling machines 4) Printing machinery 5) Paper industry 6) centrifugal and reciprocating pumps 7) blowers 8)fans
dc
shunt
motor
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79
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2
answers
asked
Jul 23, 2019
by
anonymous
Use of shunt reactor in substation
shunt
reactor
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54
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0
answers
asked
May 8, 2018
by
anonymous
In which of the following transmission lines, the value of the Shunt admittance should be
In which of the following transmission lines, the value of the Shunt admittance should be approximated to zero ? (A) A 66 kV 35 km long line (B) A 132 kV 200 km long line (C) A 220 kV 300 km long line (D) A 400 kV 500 km long line
Last answer:
In which of the following transmission lines, the value of the Shunt admittance should be approximated to zero ? (A) A 66 kV 35 km long line (B) A 132 kV 200 km long line (C) A 220 kV 300 km long line (D) A 400 kV 500 km long line
transmission
lines
shunt
admittance
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445
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1
answer
asked
May 8, 2018
by
anonymous
A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s.
A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net Voltage across armature resistance at the time of plugging will be
Last answer:
A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net Voltage across armature resistance at the time of plugging will be 474 V
dc
shunt
motor
rated
load
speed
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219
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1
answer
asked
Mar 21, 2018
by
anonymous
A cumulatively compounded long shunt generator when operating as a motor would be?
Last answer:
A cumulatively compounded long shunt generator when operating as a motor would be differentially compounded long shunt.
cumulatively
compounded
long
shunt
generator
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1
answer
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