What does an electric drive do?

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asked Mar 10, 2018 by anonymous

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asked Mar 10, 2018 by anonymous

What is an electric motor drive?

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asked Mar 10, 2018 by anonymous

What is the difference between AC and DC drive?

Last answer: AC means alternating current It's Frequency is 50hz Dc means direct current ItsI Frequency is 0Hz

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132 views 1 answer

asked Mar 10, 2018 by anonymous

What is a drive in electrical controls?

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asked Dec 16, 2017 by anonymous

How does an electric motor works?

Last answer: In the electric motor there are two types of part 1)moving and 2)stationary In stationary part containing field winding whis use to provide uniform maganetic field it at inner side of yoke In moving ... on it and this force is from all direction we can say it is torque.and motor armature rotates

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100 views 1 answer

asked Dec 16, 2017 by anonymous

What is the use of an electric motor?

Last answer: Electrical motors are use for converting electrical energy to mechanical energy. It may be use in fans, pumps, washing machine, cranes, trains, factories, industries etc.

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72 views 1 answer

asked Mar 18, 2018 by anonymous

The synchronous motor which works on leading power factor and does not drive any mechanical load is called?

Last answer: The synchronous motor which works on leading power factor and does not drive any mechanical load is called synchronous condenser.

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69 views 1 answer

asked Mar 10, 2018 by anonymous

What does an electric meter measure?

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asked Apr 28, 2018 by anonymous

In an adjustable speed ac drive which quantity gets reduced above rated speed ?

In an adjustable speed ac drive which quantity gets reduced above rated speed ? (A) developed torque (B) stator frequency (C) reduced starting torque (D) stator current

Last answer: In an adjustable speed ac drive which quantity gets reduced above rated speed ? (A) developed torque (B) stator frequency (C) reduced starting torque (D) stator current

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78 views 1 answer

asked Mar 11, 2018 by anonymous

What is the need for electrically isolated drive circuits?

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asked Mar 11, 2018 by anonymous

What are the fundamental requirements of gate drive ICs?

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asked Jul 6, 2019 by anonymous

Adjustable-speed drive

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%; }

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59 views 1 answer

asked Mar 20, 2018 by anonymous

For constant torque drive which speed control method is preferred ?

Last answer: For constant torque drive armature voltage control speed control method is preferred.

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asked Mar 11, 2018 by anonymous

Explain transformer isolated drive circuits providing both signal and power.

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asked Mar 10, 2018 by anonymous

Can a power surge erase a hard drive?

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asked Feb 19, 2018 by anonymous

Explain MOSFET gate drive circuit and totem pole configuration.

Last answer: MOSFET gate drive circuit: The turning on and turning off of MOSFET can be controlled from gate to source voltage signal. If the gate to source voltage of MOSFET exceeds threshold ... this configuration, the two switches (transistors) are used in totem pole arrangement with a comparator.

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269 views 1 answer

asked Feb 19, 2018 by anonymous

Explain open emitter BJT drive circuit.

Last answer: open emitter BJT drive circuit:

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231 views 1 answer

asked Feb 19, 2018 by anonymous

Explain DC coupled drive circuit with unipolar output.

Last answer: DC coupled drive circuit with unipolar output: The figure shows the circuit and waveforms

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461 views 1 answer

asked Feb 19, 2018 by anonymous

Explain thyristor gate drive circuit.

Last answer: Thyristor Gate Drive Circuit: The thyristor can be turned on by pulse voltage signal at gate terminal and it does not require continuous drive signal like the transistor. The gate ... circuit provide required minimum gate voltage and gate current then the thyristor conducts properly.

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2.8k views 1 answer

asked Nov 14, 2017 by anonymous

basic gate drive circuit of GTO

Last answer: basic gate drive circuit of GTO

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858 views 1 answer

asked Aug 25, 2017 by anonymous

Scherbius Drive System

Last answer: Scherbius Drive System

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176 views 1 answer

asked Aug 25, 2017 by anonymous

Kramer Drive System

Last answer: Kramer Drive System Kramer drive is a rotor side speed control drive of induction motor. Slip is the difference between synchronous speed and rotor speed. It is the ... and DC motor. The static Kramer drive is costlier because of the cost of DC motor.

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asked Aug 9, 2017 by anonymous

Advantages of Variable Frequency Drive (VFD)

Last answer: Advantages of Variable Frequency Drive (VFD)

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asked Mar 19, 2018 by anonymous

Losses which occur in rotating electric machines and do not occur in transformers are?

Last answer: Friction losses windage losses

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109 views 2 answers

asked Mar 11, 2018 by anonymous

Do electric trains have gears?

Last answer: Electric trains have gears for speed variation. This is because it is not easy to run a motor at diffrent speed of your choice.

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117 views 1 answer

asked Mar 11, 2018 by anonymous

How does electric locomotive work?

Last answer: Electric locomotives are powered by motors connected to battery or any supply . The electric supply is connected to a motor which drives set of gears connected to wheels.

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162 views 1 answer

asked Mar 14, 2018 by anonymous

What is the direction of flow of electric current in an electric circuit?

Last answer: It flows from anode to cathode (direction of holes flow)

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144 views 1 answer

asked Jun 29, 2019 by anonymous

List three important characteristics of an electric circuit.

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211 views 0 answers

asked May 8, 2018 by anonymous

An _____________is a network of electrical components used to supply, transfer and use electric power:

An _____________is a network of electrical components used to supply, transfer and use electric power: (A) Electric power system (B) Electric power (C) All of the above (D) None of the above

Last answer: An Electric power system is a network of electrical components used to supply, transfer and use electric power.

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68 views 1 answer

asked Apr 29, 2018 by anonymous

The ability of materials to become polarized under an applied electric field is called _______

The ability of materials to become polarized under an applied electric field is called _______ A) Ferroelectricity B) Paraelectricity C) Polectricity D) None of these

Last answer: The ability of materials to become polarized under an applied electric field is called Paraelectricity

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96 views 1 answer

asked Apr 28, 2018 by anonymous

Specific energy consumption of an electric train is the ratio between

Specific energy consumption of an electric train is the ratio between (A) Specific energy output at driving wheels and efficiency of the traction motor (B) Specific energy output at driving wheels and efficiency of the transmission gear (C) Specific energy output of driving motor and efficiency of the driving wheels (D) Specific energy output at driving wheels and efficiency of the (motor + transmission gear)

Last answer: Specific energy consumption of an electric train is the ratio between Specific energy output at driving wheels and efficiency of the (motor + transmission gear)

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76 views 1 answer

asked Mar 25, 2018 by anonymous

The filament of an electric bulb is made of?

Last answer: The filament of an electric bulb is made of tungsten.

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54 views 1 answer

asked Mar 25, 2018 by anonymous

An instrument which detects electric current is known as?

Last answer: An instrument which detects electric current is known as galvanometer.

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95 views 1 answer

asked Mar 21, 2018 by anonymous

Which is an instrument which measures insulation resistance of an electric circuit relative to earth and one another?

Last answer: Meggar is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another.

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231 views 1 answer

asked Mar 20, 2018 by anonymous

The power mentioned on the name plate of an electric motor indicates?

Last answer: The power mentioned on the name plate of an electric motor indicates the output power available at the shaft.

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79 views 1 answer

asked Mar 18, 2018 by anonymous

An electric motor in which both stator field and rotor rotates with same speed is called?

Last answer: An electric motor in which both stator field and rotor rotates with same speed is called synchronous motor.

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92 views 1 answer

asked Mar 10, 2018 by anonymous

How can a magnetic field be used to generate an electric current?

Last answer: Magnetic field can be used to generate electric current on a condition that it is on a rate of changing magnetic flux. (Faraday's law)

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89 views 1 answer

asked Aug 14, 2019 by anonymous

What is mean by electric network?

Last answer: Any electric network may be defined as a combination of a number of electric elements.

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44 views 1 answer

asked Jun 28, 2019 by anonymous

What is the unit of electric current?

A) Watt B) Volts C) Farad D) Ampere

Last answer: Correct answer: D) Ampere

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2.5k views 1 answer

asked Jun 28, 2019 by anonymous

What is the unit of electric power?

Options: A) WATT B) AMPERE C) VOLTS D) OHM

Last answer: Correct Answer: A) WATT

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61 views 1 answer

asked Mar 14, 2018 by anonymous

What is the direction of the induced electric field?

Last answer: It is in opposite direction to the one that produced it.

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46 views 1 answer

asked Mar 14, 2018 by anonymous

What is the direction of the electric field?

Last answer: Electric field is at right angle widh flow of current (right hand rule).

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100 views 1 answer

asked Dec 16, 2017 by anonymous

What is electric power generation transmission and distribution?

Last answer: Generation: it wrong word at here.because it is no generation it is conversion of one form of energy into electrical form.it may by using any type of energy. Transmission is just to ... place to other by providing some modifications And distribution means use of this energy for any purpose.

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124 views 1 answer

asked Dec 4, 2017 by anonymous

what are the three different types of Electric power?

Last answer: Real,reactive,apparent power

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113 views 2 answers

asked Jan 2 by anonymous

List types of electric furnace.

Last answer: Three Types of Electric furnaces: 1. Induction heating furnace. 2. Resistance heating furnace. 3. Arc furnace.

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9 views 1 answer

asked May 7, 2020 by anonymous

Select insulating materials for following parts : (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.

Last answer: Parts Insulating Materials Insulation between heating element and base plate of electric iron. Mica Insulation used over copper or aluminium conductor used for making coils. ... Transformer bushings Porcelain Insulation between transmission line and pole. Porcelain

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68 views 1 answer

asked May 7, 2020 by anonymous

State any Four lE Rules regarding electric safety.

Last answer: lE Rules regarding electric safety: 1. IE Rule 3 : Authorization 2. IE Rule 29 : Construction and maintenance of electrical supply line and apparatus 3. IE Rule 30: Service line and apparatus on ... 26. IE Rule 60: Test for resistance of insulation 27. IE Rule 61: Connection with earth

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44 views 1 answer

asked Apr 8, 2020 by anonymous

Electric Power

Last answer: Electric Power

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asked Aug 21, 2019 by anonymous

advantages of DVM over electric voltmeter?

Last answer: Advantages: 1) In case of digital volt meter the output signals is available in the form of discrete numerical. Where as in analog voltmeter, output is made available by using pointer ... using a suitable transducer the quantities such as temperature, pressure, etc. can also be measured.

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99 views 1 answer

asked Aug 17, 2019 by anonymous

State Ohm’s law for electric circuit.

Last answer: Ohms law -States that the current flows in a circuit is directly proportional to the applied voltage (V) and inversely the proportional resistance provided with the temperature main constant

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54 views 2 answers

asked Aug 17, 2019 by anonymous

With proper reason suggest type of enclosure for electric drives used in coal mines.

Last answer: Flame-proof type of enclosure for electric drives is used in coal mines. Reason: - Coal mines are very hazardous, prone to flame and explosions. Under such conditions, flame proof type ... them (due to arcs, sparks, or flashes) without igniting the surrounding flammable gases or vapors.

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35 views 1 answer

What does an electric drive do?

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