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Problems on electrical power and energy
asked
May 21, 2019
by
anonymous
Problems on electrical power and energy
problems
on
electrical
power
and
energy
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Answer
answered
May 21, 2019
by
anonymous
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://youtu.be/mSPf29Y4YEU
Problem on electrical power and energy 4 :
https://youtu.be/VE_YYrXAbMo
Problem on electrical power and energy 5 :
https://youtu.be/6xJ3zQEW6Tg
Problem on electrical power and energy 6 :
https://youtu.be/M2k716ZQ018
Problem on electrical power and energy 7 :
https://youtu.be/iYqGIwA919A
Problem on electrical power and energy :
https://youtu.be/iWnWQz_mzHk
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Related questions
asked
May 16, 2019
by
anonymous
Problem on electrical power and energy 2
Problem on electrical power and energy 2
Last answer:
Problem on electrical power and energy 2
problem
on
electrical
power
and
energy
2
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96
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1
answer
asked
May 16, 2019
by
anonymous
Problem on electrical power and energy 1
Problem on electrical power and energy 1
Last answer:
Problem on electrical power and energy 1
problem
on
electrical
power
and
energy
1
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1
answer
asked
May 16, 2019
by
anonymous
Problem on electrical power and energy 7
Problem on electrical power and energy 7
Last answer:
Problem on electrical power and energy 7
problem
on
electrical
power
and
energy
7
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1
answer
asked
May 16, 2019
by
anonymous
Problem on electrical power and energy 6
Problem on electrical power and energy 6
Last answer:
Problem on electrical power and energy 6
problem
on
electrical
power
and
energy
6
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42
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1
answer
asked
May 16, 2019
by
anonymous
Problem on electrical power and energy 5
Problem on electrical power and energy 5
Last answer:
Problem on electrical power and energy 5
problem
on
electrical
power
and
energy
5
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1
answer
asked
May 21, 2019
by
anonymous
Problems on resistance and resistivity
Problems on resistance and resistivity
Last answer:
Problem on resistance and resistivity 1 : https://youtu.be/OqavD7OlZUs Problem on resistance and resistivity 2 : https://youtu.be/0eo8VO8cpwk Problem on resistance and resistivity 3 : https:// ... https://youtu.be/3neLRCTz0RQ Problem on resistance and resistivity 13 : https://youtu.be/vBCkvPOiztY
problems
on
resistance
and
resistivity
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90
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1
answer
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.
electrical
mechanical
generator
energy
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286
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2
answers
asked
May 8, 2018
by
anonymous
In fuel cell the __________ energy is converted into electrical energy.
In fuel cell the __________ energy is converted into electrical energy. (A) Mechanical (B) Chemical (C) Heat (D) Sound
Last answer:
In fuel cell the Chemical energy is converted into electrical energy.
fuel
cell
electrical
energy
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96
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1
answer
asked
Sep 22, 2018
by
anonymous
State the need of energy conservation in electrical motor.
State the need of energy conservation in electrical motor.
Last answer:
Need of energy conservation in Electrical motors: 1. Induction motors are used as electrical drives in industrial, commercial and residential sectors. 2. Considering all industrial applications, 70% of ... system. 8. To adopt advanced technology in design and to use better quality materials.
energy
conservation
electrical
motor
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92
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2
answers
asked
Sep 22, 2018
by
anonymous
Describe the following energy conservation methods of electrical motor. i) By motor survey ii) By matching loads with motor rating
Describe the following energy conservation methods of electrical motor. i) By motor survey ii) By matching loads with motor rating
Last answer:
Energy conservation methods of electrical motor: 1) By Motor Survey: Large industries have a massive population of LT motors. Load survey of LT motors can be taken-up methodically to ... -speed motors, eddy-current couplings, fluid couplings, and solid-state electronic variable speed drives.
energy
conservation
methods
electrical
motor
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172
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1
answer
asked
Apr 29, 2018
by
anonymous
In order to have a lower cost of electrical energy generation the load factor
In order to have a lower cost of electrical energy generation the load factor (1) and the diversity factor should be low (2) should be low but the diversity factor should be high (3) should be high but the diversity factor should be low (4) and the diversity factor both should be high
Last answer:
In order to have a lower cost of electrical energy generation the load factor and the diversity factor both should be high
lower
cost
electrical
energy
generation
load
factor
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1
answer
asked
Mar 10, 2018
by
anonymous
Why is it cheaper to transmit electrical energy at high voltage?
Why is it cheaper to transmit electrical energy at high voltage?
Last answer:
Because of the electrical energy was step upped by transformers the transformer have high efficiency than the electric energy is cheaper
cheaper
transmit
electrical
energy
high
voltage
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115
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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.
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.
explain
the
suitability
of
aluminium
as
an
electrical
conductor
with
respect
to
its
mechanical
and
properties
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1
answer
asked
Jan 21, 2020
by
Sampson
What's the difference between electronic and electrical
whats
the
difference
between
electronic
and
electrical
e
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74
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0
answers
asked
Jun 29, 2019
by
anonymous
Electrical quantities (symbol and basic unit)
Electrical quantities (symbol and basic unit)
Last answer:
Electrical quantities (symbol and basic unit)
electrical
quantities
symbol
and
basic
unit
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65
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1
answer
asked
May 19, 2019
by
anonymous
Problem on resistance and resistivity 13
Problem on resistance and resistivity 13
Last answer:
Problem on resistance and resistivity 13
problem
on
resistance
and
resistivity
13
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1
answer
asked
May 19, 2019
by
anonymous
Problem on resistance and resistivity 12
Problem on resistance and resistivity 12
Last answer:
Problem on resistance and resistivity 12
problem
on
resistance
and
resistivity
12
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1
answer
asked
May 19, 2019
by
anonymous
Problem on resistance and resistivity 11
Problem on resistance and resistivity 11
Last answer:
Problem on resistance and resistivity 11
problem
on
resistance
and
resistivity
11
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1
answer
asked
May 19, 2019
by
anonymous
Problem on resistance and resistivity 10
Problem on resistance and resistivity 10
Last answer:
Problem on resistance and resistivity 10
problem
on
resistance
and
resistivity
10
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1
answer
asked
May 19, 2019
by
anonymous
Problem on resistance and resistivity 9
Problem on resistance and resistivity 9
Last answer:
Problem on resistance and resistivity 9
problem
on
resistance
and
resistivity
9
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1
answer
asked
May 18, 2019
by
anonymous
Problem on resistance and resistivity 8
Problem on resistance and resistivity 8
Last answer:
Problem on resistance and resistivity 8
problem
on
resistance
and
resistivity
8
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1
answer
asked
May 18, 2019
by
anonymous
Problem on resistance and resistivity 7
Problem on resistance and resistivity 7
Last answer:
Problem on resistance and resistivity 7
problem
on
resistance
and
resistivity
7
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53
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1
answer
asked
May 18, 2019
by
anonymous
Problem on resistance and resistivity 6
Problem on resistance and resistivity 6
Last answer:
Problem on resistance and resistivity 6
problem
on
resistance
and
resistivity
6
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1
answer
asked
May 18, 2019
by
anonymous
Problem on resistance and resistivity 5
Problem on resistance and resistivity 5
Last answer:
Problem on resistance and resistivity 5
problem
on
resistance
and
resistivity
5
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57
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1
answer
asked
May 18, 2019
by
anonymous
Problem on resistance and resistivity 4
Problem on resistance and resistivity 4
Last answer:
Problem on resistance and resistivity 4
problem
on
resistance
and
resistivity
4
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1
answer
asked
May 18, 2019
by
anonymous
Problem on resistance and resistivity 3
Problem on resistance and resistivity 3
Last answer:
Problem on resistance and resistivity 3
problem
on
resistance
and
resistivity
3
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1
answer
asked
May 18, 2019
by
anonymous
Problem on resistance and resistivity 2
Problem on resistance and resistivity 2
Last answer:
Problem on resistance and resistivity 2
problem
on
resistance
and
resistivity
2
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54
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1
answer
asked
May 16, 2019
by
anonymous
Problem on resistance and resistivity 1
Problem on resistance and resistivity 1
Last answer:
Problem on resistance and resistivity 1
problem
on
resistance
and
resistivity
1
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1
answer
asked
Aug 2, 2019
by
anonymous
State the importance of electrical power in day to day life.
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
importance
electrical
power
day
life
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83
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1
answer
asked
Sep 7, 2018
by
anonymous
List any two types of fuels used in electrical power generation plants.
List any two types of fuels used in electrical power generation plants.
Last answer:
Types of fuels used in electrical power generation plants: 1) Solid fuels: Coal, Biomass: Wood, Nuclear fuel: Uranium, Plutonium 2) Liquid fuels: Diesel, Petrol 3) Gaseous Fuels: Natural gas, Producer ... 2) Wood 3) Uranium 4) Plutonium 5) Diesel 6) Petrol 7) Natural gas 8) Producer gas
fuels
electrical
power
generation
plants
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64
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1
answer
asked
May 8, 2018
by
anonymous
_______ electric power is the most common method used by electrical grids to transfer power.
_______ electric power is the most common method used by electrical grids to transfer power. (A) One-phase (B) Two-phase (C) Three-phase (D) None of the above
Last answer:
Three-phase electric power is the most common method used by electrical grids to transfer power.
electrical
grids
transfer
power
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1
answer
asked
Mar 25, 2018
by
anonymous
When an alternating current passes through an ohmic resistance the electrical power converted into heat is?
When an alternating current passes through an ohmic resistance the electrical power converted into heat is?
Last answer:
When an alternating current passes through an ohmic resistance the electrical power converted into heat is true power.
alternating
current
ohmic
resistance
electrical
power
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381
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1
answer
asked
Mar 24, 2018
by
anonymous
Power factor of an electrical circuit is equal to?
Power factor of an electrical circuit is equal to?
Last answer:
Power factor of an electrical circuit is equal to R/Z, cosine of phase angle difference between current and voltage, kW/kVA.
power
factor
electrical
circuit
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153
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1
answer
asked
May 22, 2019
by
Adnan abbas
What is electrical engineering
electrical
energy
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97
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0
answers
asked
May 2, 2020
by
anonymous
State different types of electrical signal and draw all types of waveforms.
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
state
different
types
of
electrical
signal
and
draw
all
waveforms
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79
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1
answer
asked
May 6, 2020
by
anonymous
State the impact of inductance and resistance on transmission line performance
State the impact of inductance and resistance on transmission line performance
Last answer:
Impact of inductance on transmission line: 1) It causes IXL drop in transmission line which affects regulation. 2) It is the only parameter which decides power transmission capacity of line i. ... is very small, it causes losses, temperature rise& poor voltage regulation so it cannot be neglected
state
the
impact
of
inductance
and
resistance
on
transmission
line
performance
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84
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1
answer
asked
May 3, 2020
by
anonymous
Analyze the effect of supply voltage on performance of LED as regards current, Lumen output, efficacy and life.
Analyze the effect of supply voltage on performance of LED as regards current, Lumen output, efficacy and life.
Last answer:
1) Effect on Current:- In LED current depends upon supply voltage, if voltage get changes then current also change but this change in current will be control by resistors which are connected in series. 2) ... 4) Effect on Life:- If supply voltage is not stable then life of LED get reduced.
analyze
the
effect
of
supply
voltage
on
performance
led
as
regards
current
lumen
output
efficacy
and
life
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59
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1
answer
asked
May 3, 2020
by
anonymous
Compare the salient features of LED and CFL based on: i] Lamp Efficiency ii] Life span
Compare the salient features of LED and CFL based on: i] Lamp Efficiency ii] Life span
Last answer:
Parameter LED CFL Lamp Efficiency High (more than 70 lumen per watt) Comparatively less (50-60 lumen per watt) Life span (in working hours) 10000 3000
compare
the
salient
features
of
led
and
cfl
based
on
i
lamp
efficiency
ii
life
span
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37
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1
answer
asked
Apr 16, 2020
by
anonymous
Explain with neat circuit diagrams the procedures to perform no load and blocked rotor tests on three phase induction motor
Explain with neat circuit diagrams the procedures to perform no load and blocked rotor tests on three phase induction motor.
no
load
and
blocked
rotor
tests
on
three
phase
induction
motor
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85
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0
answers
asked
Apr 16, 2020
by
anonymous
Explain the need and steps to conduct the reduced voltage running up test on the three phase induction motor.
Explain the need and steps to conduct the reduced voltage running up test on the three phase induction motor.
explain
the
need
and
steps
to
conduct
reduced
voltage
running
up
test
on
three
phase
induction
motor
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58
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0
answers
asked
Sep 22, 2018
by
anonymous
Explain the “mitigation of power theft” and “faulty meter replacement” for energy conservation techniques to reduce commercial losses.
Explain the “mitigation of power theft” and “faulty meter replacement” for energy conservation techniques to reduce commercial losses.
Last answer:
Energy conservation techniques to reduce commercial losses: 1. Mitigation of Power Theft: Power theft being the most important issue which all of the service providing utilities ... agricultural sector. Prepaid meters may prove effective measures against unauthorized abstraction of energy.
mitigation
power
theft
faulty
meter
replacement
energy
conservation
techniques
reduce
commercial
losses
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67
views
1
answer
asked
Sep 8, 2018
by
anonymous
Explain the importance of solar power in the energy deficient India.
Explain the importance of solar power in the energy deficient India.
Last answer:
Mainly electricity generated in India is from - Hydro power plant Thermal power plant Nuclear power plant BUT, To construct new Hydro power plant following are problem :- 1. There is ... start) 10. It saves the fossil fuel (coal, diesel, oil etc.) which are limited available.
importance
solar
power
energy
deficient
india
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61
views
1
answer
asked
Mar 21, 2018
by
anonymous
The electrical power to a meggar is provided by?
Last answer:
The electrical power to a meggar is provided by permanent magnet D.C. generator.
electrical
power
meggar
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65
views
1
answer
asked
Jan 5
by
anonymous
Outline any four duties and responsibilities of energy manager.
Outline any four duties and responsibilities of energy manager.
Last answer:
Responsibilities and Duties of Energy Manager Responsibilities Prepare an annual activity plan and present to management concerning financially attractive investments to reduce energy costs Establish an ... and manner as may be provided in the regulations of the Energy Conservation Act.
plant
economics
and
energy
management
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like
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0
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8
views
1
answer
asked
Jan 5
by
anonymous
Explain energy conservation and its importance.
Explain energy conservation and its importance.
Last answer:
Energy conservation Energy Conservation is the deliberate practice or an attempt to save electricity, fuel oil or gas or any other combustible material, to be able to put to additional use for ... are produced. e) Generally to relieve shortage and improve development. f) Advantage in PAT scheme.
plant
economics
and
energy
management
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0
dislike
8
views
1
answer
asked
Jan 5
by
anonymous
State the use of Lux Meter and Tachometer in energy audit.
State the use of Lux Meter and Tachometer in energy audit.
Last answer:
Use of lux meter – to measure intensity of light Use of tachometer – to measure speed
plant
economics
and
energy
management
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10
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1
answer
asked
May 3, 2020
by
anonymous
State the difference between energy conservation and energy audit.
State the difference between energy conservation and energy audit.
Last answer:
energy conservation Energy audit It is reducing the growth of energy consumption by avoiding unnecessary usage of energy It is an inspection, survey & analysis of energy flows ... Various measuring instruments, with proper sensing elements are required for the energy audit.
state
the
difference
between
energy
conservation
and
audit
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68
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1
answer
asked
May 21, 2019
by
anonymous
Mesh analysis problems
Mesh analysis problems
Last answer:
Mesh analysis 1 : https://youtu.be/X_nWbAkDoH4 Mesh analysis 2 : https://youtu.be/-GzGDUZN56A Mesh analysis 3 : https://youtu.be/AsZlXbO_82M Mesh analysis 4 : https://youtu.be/D8zLPMFhwlg ... Mesh analysis 22 : https://youtu.be/XSOZ1urxvpc Mesh analysis 23 : https://youtu.be/wwBI15MznQY
mesh
analysis
problems
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105
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1
answer
asked
Sep 29, 2018
by
anonymous
Discuss how power factor tariff results into energy conservation.
Discuss how power factor tariff results into energy conservation.
Last answer:
Power factor tariff results into energy conservation: i) Applying incentives and penalties according to power factor is an effective way, which enables consumer to improve power factor so that he can ... finally leads to reduction in the current drawn by the load and helps for energy conservation.
power
factor
tariff
energy
conservation
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2.5k
views
1
answer
asked
Sep 22, 2018
by
anonymous
Explain energy conservation technique “by improving power quality” for induction motor.
Explain energy conservation technique “by improving power quality” for induction motor.
Last answer:
Energy conservation method in induction motor by improving power quality: Electrical energy can be conserved by improving the power quality. It can be achieved by avoiding voltage unbalance, maintaining ... losses can be minimized by using harmonic filter thus reducing the harmonics in the system.
energy
conservation
technique
improving
power
quality
induction
motor
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2.9k
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2
answers
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