Last Answer : The repulsion-start induction-run motor is used because of high starting torque.
Show More
89 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : A universal motor can run on either A.C. or D.C.
Show More
71 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : In a ceiling fan employing capacitor run motor secondary winding surrounds the primary winding.
Show More
101 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : In a capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to improve power factor.
Show More
712 views
1 answer
asked
Mar 20, 2018
by
anonymous
.jpg)
How to Run a Business Meeting
Last Answer : How to Run a Business Meeting Some people in business believe that too much time spent on a meeting can lower productivity. Meetings, however, are necessary to keep everyone in the group updated on what ... in reading this article, you'll surely be eager to learn how to schedule a business meeting.
Show More
7 views
1 answer
asked
May 10, 2021
by
anonymous

How to Run Faster ?
Last Answer : How to Run Faster Running speed is a combination of everything from weight, leg turnover (how fast your legs move), cardio conditioning and muscle. The following are 8 ways you can learn to run faster: ... course - run safely. Watch traffic. Do not overtrain. If injured, seek help (EG Shin splints)
Show More
7 views
1 answer
asked
May 6, 2021
by
anonymous

Instant 100 meters (How fast to run 100 meters?)
Last Answer : Instant 100 meters (How fast to run 100 meters?) This guide outlines the step-by-step preparation for the most efficient 100-meter run. 0-15 meters With your head down, you need to ... length. Constant training and the right technique will allow you to improve your 100 meter running results.
Show More
4 views
1 answer
asked
Mar 27, 2021
by
anonymous

Last Answer : A rotory converter can also be run as a synchronous motor.
Show More
77 views
1 answer
asked
Mar 20, 2018
by
anonymous

Which type of heater is cheapest to run?
Show More
64 views
0 answers
asked
Mar 11, 2018
by
anonymous

The number of poles in a phase induction motor at 50 Hz and running at 1500 rpm will be?
Last Answer : The number of poles in a phase induction motor at 50 Hz and running at 1500 rpm will be 4.
Show More
143 views
1 answer
asked
Mar 26, 2018
by
anonymous

Last Answer : When a D.C. series motor is connected to A.C. supply, the power factor will be low because of high inductance of field and armature circuits.
Show More
119 views
1 answer
asked
Mar 20, 2018
by
anonymous
.jpg)
Last Answer : The speed of a universal motor is generally reduced by using gear trains.
Show More
96 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : The wattage of motor for driving domestic sewing machine will be around 100 to 150 W.
Show More
103 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : The wattage rating for a ceiling fan motor will be in the range 50 to 150 W .
Show More
177 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : In case of a shaded pole motor the direction of rotation of the motor is from main pole to shaded pole.
Show More
339 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : In A.C. series motor compensating winding is employed to reduce sparking at the brushes.
Show More
145 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : In a two value capacitor motor, the capacitor used for running purposes is paper spaced oil filled type.
Show More
162 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : In split-phase motor auxiliary winding is of thin wire placed at the top of the slots.
Show More
72 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : Single phase induction motor usually operates on 0.6 power factor lagging.
Show More
127 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : A single-phase induction motor is inherently non-self-starting with low torque.
Show More
73 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : The motor used on small lathes is usually single-phase capacitor run motor.
Show More
147 views
1 answer
asked
Mar 20, 2018
by
anonymous
.jpg)
Last Answer : A hysteresis motor works on the principle of hysteresis loss.
Show More
121 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : A shaded pole motor can be used for toys, hair dryers, circulators etc.
Show More
103 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : The power factor of a single-phase induction motor is usually lagging.
Show More
191 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : In a capacitor start single-phase motor, when capacitor is replaced by a resistance motor will continue to run in same direction.
Show More
223 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : Direction of rotation of a split phase motor can be reversed by reversing the connection of either running winding or starting winding.
Show More
358 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : The direction of rotation of an hysteresis motor is determined by position of shaded pole with respect to main pole.
Show More
230 views
1 answer
asked
Mar 20, 2018
by
anonymous
.jpg)
A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by an inductor of equivalent reactance value. It will?
Last Answer : A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by an inductor of equivalent reactance value. It will not start at all.
Show More
232 views
1 answer
asked
Mar 20, 2018
by
anonymous

The running winding of a single phase motor on testing with meggar is found to be ground. Most probable location of the ground will be?
Last Answer : The running winding of a single phase motor on testing with meggar is found to be ground. Most probable location of the ground will be at the slot edge where coil enters or comes out of the slot.
Show More
116 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : In a single phase motor the centrifugal switch disconnects auxiliary winding of the motor.
Show More
269 views
1 answer
asked
Mar 20, 2018
by
anonymous
.jpg)
Last Answer : In repulsion motor direction of rotation of motor is the same as that of brush shift.
Show More
116 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : The value of starting capacitor of a fractional horse power motor will be 300 uF .
Show More
98 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : A centrifugal switch is used to disconnect starting winding when motor has picked up about 50 to 70 per cent of rated speed.
Show More
879 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : In a shaded pole single-phase motor, the revolving field is produced by the use of shading coils.
Show More
205 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : In a shaded pole motor, the shading coil usually consist of a single turn of heavy copper wire which is short-circuited and carries only induced current.
Show More
131 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : The rotor developed by a single-phase motor at starting is zero.
Show More
90 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : In a split phase motor the starting winding is connected through a centrifugal switch.
Show More
118 views
1 answer
asked
Mar 20, 2018
by
anonymous
.jpg)
Last Answer : In a capacitor start motor, the phase displacement between starting and running winding can be nearly 90°.
Show More
208 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : If the capacitor of a single-phase motor is short-circuited the motor will not start.
Show More
104 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : In a split phase motor, the running winding should have low resistance and high inductance.
Show More
100 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : Reason is kinetic energy
Show More
285 views
2 answers
asked
Mar 20, 2018
by
anonymous

Which type of motor would you recommend for using in a steel mill and on an electric vehicle? Explain your answer
Show More
2 views
0 answers

Mc Master Motor
Last Answer : The McMaster motor is based on the principle of the rotary engine. The McMaster motor is the centerpiece of a totally new way of looking at motorized transportation which involves the ... McMaster motor will be considerably cheaper to operate once its unique fuel sources are commercially developed.
Show More
4 views
1 answer

DC MOTOR MCQ
Last Answer : 101. Which of the following loss in a D.C. generator is dissipated in the form of heat? (a) Mechanical loss (b) Core loss (c) Copper loss (d) All of the above Ans: d 102. Which of the following ... (b) does not run as a generator (c) also runs as a motor comes to stop after sometime Ans: a
Show More
475 views
3 answers

What is the purpose of Overload Protection in a motor circuit?
Last Answer : Ans. The Overload Protection is used in a motor circuit to protect it from sustained over currents.
Show More
54 views
1 answer

What is a motor?
Last Answer : Ans. Motor is a machine which converts electrical energy into mechanical energy.
Show More
3 views
1 answer

What is Motor Brake ?
Last Answer : The most commonly used brakes are friction brakes. They work on the principle that friction can be used in converting the mechanical energy of an object in motion into heat energy. This ... with an electronic motor brakes. These brakes are also suitable for power-generating machines like windmills.
Show More
7 views
1 answer

Write the steps to rewind an electric motor
Show More
5 views
0 answers

MCQ on Motor Control Center
Last Answer : 1. MCC stands for ______ a. Motor Control Center b. Motor Control Cost c. Machine Components Center d. None of the above Answer : a. Motor Control Center 2. MCC contains _____ a. Fuse b. MCB c. ... a) Start the motor b) Accelerate the motor c) Decelerate the motor d) Stop the motor Answer : a
Show More
236 views
1 answer
.jpg)
Explain how cooling is achieved in pipe ventilated type during motor enclosures
Show More
3 views
0 answers
asked
May 24, 2021
by
izoh
