16 views
in DC motor by

1 Answer

0 votes
by

D.C. shunt motors are used for driving machine tools.

Related questions

1 answer 10 views

Stepper motors are used in  (1) printers (2) lifts (3) amplifiers (4) oscillators

asked Apr 29, 2018 in Electrical Machine by Shimroz123
0 answers 19 views

What are the five types of single phase motors used in the industry?

asked Mar 15, 2018 in Electrical Machine by Quiz
1 answer 53 views

A relay used for protection of motors against overload is :  (A) Impedance relay (B) Electromagnetic attraction type (C) Thermal relay (D) Buchholz's relay

asked May 8, 2018 in Switchgear And Protection by Shimroz123
1 answer 13 views

Why does the speed of a DC shunt motor decrease as the load increases?

asked Jul 5 in DC motor by Shimroz123
1 answer 2 views

State the use of shunt and series resistance used in extension of meter.

asked Sep 6, 2018 by Shimroz123
1 answer 134 views

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.

asked May 8, 2018 in Power system by Shimroz123
0 answers 17 views

Why shunt capacitor is used?

asked Mar 15, 2018 in Electronics Engineering by Quiz
1 answer 23 views

D.C. shunt relays are made of?

asked Mar 19, 2018 in Switchgear And Protection by Shimroz123
1 answer 27 views

Which of the following motors can run on both AC and DC? A) Universal motor B) Dual wattage motor C) Flexible motor D) All the above

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
0 answers 10 views

Retardation test on d.c. shunt motors is performed for (a) frictional losses (b) stray losses (c) copper losses (d) iron loss  

asked May 25, 2018 in DC motor by Shimroz123
1 answer 33 views

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

asked May 8, 2018 in Electrical Machine by Shimroz123
1 answer 36 views

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

asked May 3, 2018 in Electrical Machine by Shimroz123
1 answer 17 views

D.C. motor is to a drive a load which is almost nil for certain part of the load cycle and peak value for short duration. We will select the?

asked Mar 20, 2018 in DC motor by Shimroz123
1 answer 72 views

D.C. motor is to drive a load which has certain minimum value for most of the time and some peak value for short duration. We will select the?

asked Mar 20, 2018 in DC motor by Shimroz123
1 answer 17 views

In a dc machine, interpoles are used to  (1) neutralize the effect of armature reaction in the interpolar region (2) generate more induced emf in the armature (3) avoid interference of the armature flux with the main -field flux (4) reduce the demagnetizing effect of armature reaction

asked Apr 29, 2018 in Electrical Machine by Shimroz123
0 answers 28 views

Why DC motor is used for traction?

asked Mar 11, 2018 in Utilization of electrical energy by Quiz
0 answers 58 views

Two d.c. series motors connected in series are driving a mechanical load. If the motors are connected in parallel to drive the same load, the speed becomes  (a) slightly less than double (b) slightly less than half (c) slightly more than double (d) slightly more than half 

asked May 25, 2018 in Electrical Engineering by Shimroz123
1 answer 8 views
1 answer 78 views

State starters used for i) 3-Ph squirrel cage induction motor (3HP) ii) D.C. motor 

asked Sep 18, 2018 in Industry Electrical Systems-I by Shimroz123

Welcome to electronics2electrical.com here you can ask questions related to electrical, electronics, mechanical, telecommunication, instrumentation, computer, mathematics, physics etc.
Be respectful to all the members. Do not copy and paste the answers from other websites which have copyright content. While asking question give full details about it.

Categories

Most popular tags

power motor dc circuit transformer voltage current used system phase resistance factor synchronous load ac energy induction electric generator series frequency between speed capacitor use electrical meter line difference control type mosfet transmission magnetic plant high single instrument bjt unit source advantages function diode and machine winding field define torque parallel amplifier supply shunt thyristor motors electricity arduino maximum time relay armature problem value on transformers types coil diagram state flow ratio material three formula starting direction theorem method emf operating efficiency digital wave microprocessor test instruments inductance loss measure operation connected signal low applications effect single-phase network temperature working constant losses different law wattmeter measuring compare controlled breaker drive device logic rc full switch flux wire resistivity disadvantages free of materials machines angle force converter conductor transistor gain open protection scr core measurement number bridge principle generators reactance circuits negative the friction iron loop short pole battery conservation steam resistors hysteresis computer using analog lines secondary station gate a rectifier inverter linear induced relays nuclear capacitance basic characteristics design direct work rotor electronics ammeter forces diesel damping rlc connection factors capacitors minimum insulation moving regulation running self systems air fault range main stability quality starter igbt eddy alternator ideal rl average 3-phase plants arc thermal error fuzzy biasing dielectric pressure balanced superposition errors copper rotation feedback impedance measured electronic electrons charge inductive transfer explain start off back curve over solar is three-phase tariff locomotive peak bias zener engineering commutator surge conductors rating universal potentiometer density permanent mechanical transducer capacity memory adc excitation two fuse pure harmonics application semiconductor inductor internal pmmc reaction welding resonance traction permeability breakers rms designed electromagnetic si generation brushes switching capacitive shaded rate 1 distribution resistor methods delta star oscillator reluctance simplification algebra 8085 boolean weston dynamometer insulating strength installation definition fuel heating earth units
...