Recent questions tagged electrical

asked May 19, 2020 by anonymous

Briefly explain how an electrical generator converts mechanical energy into electrical energy

Briefly explain how an electrical generator converts mechanical energy into electrical energy.

Last answer: Working principle of DC generator: * Working principle of DC generator is the principle of dynamically induced emf or electromagnetic induction. * According to this principle, when flux is cut by a conductor, an ... , the flux is cut by the armature winding and an emf is dynamically induced in it.

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284 views 2 answers

asked May 17, 2020 by anonymous

Briefly explain how the power factor of an inductive circuit can be improved.

Last answer: As we know that power factor should be corrected to ensure that the current supplied is cost friendly. Meaning the power factor should be around one but not greater than one(0.8-0.9) in a ... an inductive circuit due to the inductive reactance which oppose the change of current in the ac circuit.

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95 views 1 answer

asked May 7, 2020 by anonymous

Explain the suitability of aluminium as an electrical conductor with respect to its mechanical and electrical properties.

Last answer: Following are requirements of conductor:- i) High conductivity : Material should have high conductivity, So that * cross section of conductor (size) reduces, * Copper losses reduces, * So Efficiency ... . Boiling point is 1820°C 9. Specific gravity is 2.7 10. High resistance to corrosion.

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70 views 1 answer

asked May 2, 2020 by anonymous

State different types of electrical signal and draw all types of waveforms.

Last answer: Types of electrical signals 1) Sine wave 2) Triangular wave 3) Square wave Waveforms

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79 views 1 answer

asked Apr 27, 2020 by anonymous

Explain the need of maintenance of electrical equipment.

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asked Apr 26, 2020 by anonymous

What is the advantage of AC over DC electrical transmission?

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asked Apr 25, 2020 by amberkar aiman

Explain with neat sketch-Revarnishing of electrical insulation.

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asked Apr 16, 2020 by anonymous

State the external causes of failure of electrical equipment.

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asked Apr 16, 2020 by anonymous

Write measures to be taken to maintain the insulation resistance of electrical machines to healthy levels.

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asked Apr 8, 2020 by anonymous

Electrical Measuring Instruments

Last answer: Electrical Measuring Instruments

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77 views 2 answers

asked Jan 21, 2020 by Sampson

What's the difference between electronic and electrical

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74 views 0 answers

asked Nov 22, 2019 by anonymous

Direct Current (DC)

Direct Current (DC) Next Topic : Alternating current (AC)

Last answer: Direct Current (DC) is the unidirectional electric current. Uni meaning is one. And the flow of charge in same direction. We know that conventional current flow from positive terminal of battery to ... The magnitude of DC may constant or vary but direction do not change with respect to time.

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199 views 3 answers

asked Nov 22, 2019 by anonymous

Alternating current (AC)

Last answer: AC stands for Alternating Current meaning voltage or current that changes polarity or direction respectively over time. An Alternating Current (AC) is an electric current whose magnitude ... energy are known as alternators and are simpler construction than DC electromechanical generators.

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148 views 2 answers

asked Oct 17, 2019 by John mo

Explain five types of electrical sources

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182 views 0 answers

asked Sep 3, 2019 by anonymous

GATE 2020 syllabus electrical engineering

Last answer: EE: Electrical Engineering Section 1: Engineering Mathematics Linear Algebra: Matrix Algebra, Systems of linear equations, Eigenvalues, Eigenvectors. Calculus: Mean value theorems, Theorems of ... to dc converters, Single phase and three phase inverters, Sinusoidal pulse width modulation.

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147 views 1 answer

asked Sep 2, 2019 by anonymous

Electrical specifications with values for washing machine.

Last answer: 1. Type: Top loading / Front loading type 2. Capacity range: 6kg to 15kg 3. Motor Used: Induction motor 4. Input voltage: 100V- 240V 5. Power: in 1200W / Output power 100–400W{can go upto 1000W) 6. Efficiency: Max efficiency 31% 7. Wattage: 2.100-2.400 W 8. Current: 13A 9. Frequency: 50hz

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42 views 1 answer

asked Sep 2, 2019 by anonymous

electrical specifications of microwave oven.

Last answer: Supply voltage: 220 volts,50 Hz. Single phase A.C. Power consumption: 1300 W approx.(power consumption vary as manufacturer from500W to 1500W) Microwave power: 700 w-850 W Microwave frequency: 2450 ... ) Timer: 60 min. - 90 min(timer can also varied) Control: Soft/one touch control

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54 views 1 answer

asked Aug 17, 2019 by anonymous

Name safety tools used in industry for electrical wiring.

Last answer: Safety tools used in industry for electrical wiring : 1) Hand gloves 2) Goggles 3) Rubber mats 4) Fire extinguishers 5) Danger notice plates 6) Search lights 7) Safety shoes or Gumboots 8) Ear plugs ... belts 13) Safety mask 14) Fire buckets 15) First aid box 16) Insulating stick or discharge rod

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41 views 1 answer

asked Aug 5, 2019 by anonymous

Write example of each type (i) Primary transducer (ii) Active transducer (iii) Electrical transducer (iv) Digital transducer

Last answer: 1)primary transducer –Bourdon tube ,Diaphragm, Bellows 2) Active transducer- Thermocouple, Piezoelectric 3) Electrical transducer- Strain gauge, Electromagnetic flow meter, RTD 4) Digital transducer- Rotary encoder , shaft encoder.

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70 views 1 answer

asked Aug 3, 2019 by anonymous

Define the term electrical noise. List types of noises.

Last answer: Electrical Noise:- It can be defined as undesirable electrical signals, which distort or interfere with an original (or desired) signal. Types of noises:-

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68 views 1 answer

asked Aug 2, 2019 by anonymous

What are the main electrical equipment used in HPS ? State the function of each parts of it in brief.

Last answer: Following Main Electrical Equipment used in HPS & their function: 1. Alternator 2. Exciter 3. Transformer 4. Switchgear Function : 1) Alternator:- Alternator is coupled to ... part from the healthy section. It contains circuit breaker, relays, switches and other control devices.

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87 views 1 answer

asked Aug 2, 2019 by anonymous

State the importance of electrical power in day to day life.

Last answer: Importance of electrical power in day to day life: 1. Electrical energy is the basic necessity for domestic (residency), commercial, industrial, agriculture, consumers , transport (Electric ... agriculture products. iv) Running motors, furnaces of various kinds in industry, running locomotives

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83 views 1 answer

asked Aug 2, 2019 by anonymous

Define measurement and state the significance of electrical measurement system.

Last answer: Measurement: Measurement is essentially a process in which magnitude of a quantity is determined in comparison with another similar quantity with significant units. OR The measurement of a given ... x) The measurement conforms the validity of hypothesis and also adds to its understanding.

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59 views 1 answer

asked Jul 30, 2019 by anonymous

Why earthing is essential in electrical installation ? Explain any one type of earthing.

Last answer: Following reasons earthing is essential in electrical installation : 1. To provide an alternative path for the leakage current to flow towards earth. 2. To save human life from danger of electrical shock ... G.I. pipe of size 19mm and funnel for pouring the water in earth pit when required.

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242 views 1 answer

asked Jul 30, 2019 by anonymous

Write short notes on fire extinguishing methods adopted in electrical engineering.

Last answer: Stand 6 to 8 feet away from the fire and follow the four-step PASS procedure. If the fire does not begin to go out immediately, leave the area at once. Always be sure ... fire causing the particles to expand chemically inhibiting combustion and expelling the oxygen thereby smothering the flames.

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141 views 3 answers

asked Jul 30, 2019 by anonymous

State the function of any two safety tools used in electrical workshop.

Last answer: 1. Circuit Testers: You need to have a voltage tester of some type for electrical work, and one that you trust is working properly 2. Electrical Tape: Every electrical tool kit should have at ... types of fire safety equipment are designed for detection. 11. Wooden ladder:- working with high level

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65 views 1 answer

asked Jul 25, 2019 by anonymous

Steps on electrical installation, how to install from switch to the bulb

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asked Jul 6, 2019 by anonymous

Electrical engineering

Last answer: https://youtu.be/ZKnK7Na2Frw

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2.5k views 1 answer

asked Jun 29, 2019 by anonymous

Electrical quantities (symbol and basic unit)

Last answer: Electrical quantities (symbol and basic unit)

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65 views 1 answer

asked Jun 24, 2019 by anonymous

Electrical Engineering Android APP

Last answer: Electrical Engineering Useful Android Apps 1. Electrical Engineering https://play.google.com/store/apps/details?id=electrical.electronics.engineering 2. Electrical Engineering Symbols https:/ ... .google.com/store/apps/details?id=electrical.engineering.qanda SHARE THIS USEFUL APPS

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86 views 1 answer

asked Jun 1, 2019 by anonymous

What is the function of an electrical filter ?

Last answer: Filter separates different components that are mixed together. Electrical filter can separate different frequency components. Electrical filters are the electrical circuits which are use to remove unwanted frequency components from the signal.

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4.9k views 1 answer

asked May 22, 2019 by Adnan abbas

What is electrical engineering

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asked May 21, 2019 by anonymous

Problems on electrical power and energy

Last answer: Problem on electrical power and energy 1 : https://youtu.be/ZvWHuMdmv9g Problem on electrical power and energy 2 : https://youtu.be/19IZMc6U2vs Problem on electrical power and energy 3 : https ... : https://youtu.be/iYqGIwA919A Problem on electrical power and energy : https://youtu.be/iWnWQz_mzHk

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2.5k views 1 answer