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Why do we use Gauss elimination method?
asked
Mar 11, 2018
by
anonymous
Why do we use Gauss elimination method?
use
gauss
elimination
method
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asked
Mar 11, 2018
by
anonymous
What is a Gauss Jordan elimination?
What is a Gauss Jordan elimination?
gauss
jordan
elimination
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asked
Mar 11, 2018
by
anonymous
How do you do Gaussian elimination on a calculator?
How do you do Gaussian elimination on a calculator?
gaussian
elimination
calculator
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asked
Mar 11, 2018
by
anonymous
Why do we use AC current in our homes?
Why do we use AC current in our homes?
Last answer:
We used it for cooking rice, For washing clothes and for lights in the house.
use
ac
current
homes
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3
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asked
Mar 11, 2018
by
anonymous
Why do we use VLSI?
Why do we use VLSI?
Last answer:
VLSI is Very Large Scale Integration. VLSI is very useful for compact design. More functionalities in smaller size. VLSI IC have small power consumption as compared to discrete components circuit. VLSI can be use for different functions in compact size.
use
vlsi
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1
answer
asked
Mar 10, 2018
by
anonymous
Why do we use automation?
Why do we use automation?
use
automation
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answers
asked
Apr 26, 2018
by
anonymous
Compared to Gauss-Seidel method, Newton- Raphson method takes :
Compared to Gauss-Seidel method, Newton-Raphson method takes : A. less number of iterations and more time per iteration B. less number of iterations and less time per iteration C, more number of iterations and more time per iteration D. more number of iterations and less time per iteration
Last answer:
Compared to Gauss-Seidel method, Newton-Raphson method takes : A. less number of iterations and more time per iteration B. less number of iterations and less time per iteration ... of iterations and more time per iteration D. more number of iterations and less time per iteration
gauss-seidel
method
newton-raphson
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asked
Mar 11, 2018
by
anonymous
What is the bisection method?
What is the bisection method?
bisection
method
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answers
asked
Mar 11, 2018
by
anonymous
What is Newton Raphson Method example?
What is Newton Raphson Method example?
newton
raphson
method
example
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asked
Mar 10, 2018
by
anonymous
What do we use to generate electricity?
What do we use to generate electricity?
Last answer:
Use wind turbines. In a windy seashore we set up some wind turbines. But when the place is not windy we got no electricity.
use
generate
electricity
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2
answers
asked
Mar 10, 2018
by
anonymous
How do we use nuclear energy to generate electricity?
How do we use nuclear energy to generate electricity?
Last answer:
nuclear energy is produce by nuclei of atom
use
nuclear
energy
generate
electricity
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2
answers
asked
May 20, 2018
by
anonymous
The Gauss seidel load flow method has the following disadvantages. Tick the incorrect statement.
The Gauss seidel load flow method has the following disadvantages. Tick the incorrect statement. A) Unreliable convergence B) Slow convergence C) Choice of slack bus affects convergence D) A good initial guess for voltages is essential for convergence
Last answer:
The Gauss seidel load flow method has the following disadvantages. Tick the incorrect statement. A) Unreliable convergence B) Slow convergence C) Choice of slack bus affects convergence D) A good initial guess for voltages is essential for convergence
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asked
Mar 18, 2018
by
anonymous
Can we use the synchronous motor as the synchronous capacitor?
Can we use the synchronous motor as the synchronous capacitor?
Last answer:
Yes, we can use the synchronous motor as the synchronous capacitor when the synchrnous motor is overexcited.
use
synchronous
motor
capacitor
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1
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asked
Mar 15, 2018
by
anonymous
How do I use Arduino?
How do I use Arduino?
use
arduino
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52
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0
answers
asked
Mar 15, 2018
by
anonymous
How do you use a Megger tester?
How do you use a Megger tester?
use
megger
tester
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answers
asked
Mar 14, 2018
by
anonymous
Do cell phones use AC or DC current?
Do cell phones use AC or DC current?
Last answer:
DC of course.
cell
phones
use
ac
dc
current
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177
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2
answers
asked
Jul 16, 2020
by
anonymous
Why do we use 50 Hz or 60 Hz only ?
Why do we use 50 Hz or 60 Hz only ?
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answers
asked
May 21, 2020
by
anonymous
Explain the thermal triggering method of SCR. Enlist different triggering methods of SCR.
Explain the thermal triggering method of SCR. Enlist different triggering methods of SCR.
Last answer:
Types of Triggering: 1) Forward voltage triggering 2) Thermal triggering (Temperature triggering) 3) Radiation triggering (Light triggering) 4) dv/dt triggering 5) Gate triggering ... generated leakage current increases. This current gets multiplied internally and thyristor is turned on.
thermal
triggering
method
scr
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answer
asked
May 3, 2020
by
anonymous
Illustrate with neat wiring diagram a single lamp control by two point method.
Illustrate with neat wiring diagram a single lamp control by two point method.
Last answer:
Single lamp control by two point method: This system is commonly used for stair case wiring. It consists of two way switches (the switch operates always in one of the two possible positions) the ... the person will change the position of switch S2, so that the lamp will be switched OFF'.
illustrate
with
neat
wiring
diagram
a
single
lamp
control
by
two
point
method
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1
answer
asked
Apr 24, 2020
by
anonymous
Draw and explain vacuum impregnation method of varnishing.
Draw and explain vacuum impregnation method of varnishing.
draw
and
explain
vacuum
impregnation
method
of
varnishing
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answers
asked
Apr 2, 2020
by
anonymous
A parallel RLC circuit has the node equation Determine v(t) using the phasor method.
A parallel RLC circuit has the node equation Determine v(t) using the phasor method.
Last answer:
A parallel RLC circuit has the node equation Determine v(t) using the phasor method.
a
parallel
rlc
circuit
has
the
node
equation
determine
v
t
using
phasor
method
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asked
Aug 17, 2019
by
anonymous
Describe fire extinguishing method.
Describe fire extinguishing method.
Last answer:
(i) Carbon Dioxide Extinguishing Systems This type is the most suitable & widely recommended one for electrical fires. Carbon dioxide (CO2) extinguishers are normally Class C ... particles to expand chemically inhibiting combustion and expelling the oxygen thereby smothering the flames.
fire
extinguishing
method
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1
answer
asked
Sep 29, 2018
by
anonymous
Draw and explain bulk correction method for power factor & control.
Draw and explain bulk correction method for power factor & control.
Last answer:
Bulk correction method for power factor & control: i) Here individual starter controls the capacitors located at distribution panel. ii) Centralized compensation is employed in large industrial plants where many ... capacitor units in steps to maintain P.F. more than preset limit (0.95).
bulk
correction
method
power
factor
control
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1
answer
asked
Sep 22, 2018
by
anonymous
Explain energy conservation method in lighting system by using installation of separate transformer / servo stabilizer.
Explain energy conservation method in lighting system by using installation of separate transformer / servo stabilizer.
Last answer:
Energy conservation techniques by installation of separate transformer / servo stabilizer: The luminous efficiency of lamps depends upon the voltage applied across the terminals. It gives its best ... the voltage constant in that installation for giving best luminous efficiency of lamps.
energy
conservation
method
installation
separate
transformer
servo
stabilizer
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1
answer
asked
Sep 6, 2018
by
anonymous
Merits of two wattmeter method
Merits of two wattmeter method
Last answer:
Advantages of Two Wattmeter Method for 3-Phase Power Measurement: 1) It is used for balanced as well as unbalanced load. 2) For the star type load, it is not necessary to ... reactive volt-amperes for balanced loads also. 7) The circuit connections are independent of load connection.
merits
two
wattmeter
method
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2
answers
asked
Sep 6, 2018
by
anonymous
Write one advantage and one disadvantage each for spring control method and gravity control method.
Write one advantage and one disadvantage each for spring control method and gravity control method.
Last answer:
Advantages of Spring Control Method: 1) The spring-controlled meters may be used in any position. 2) In some instruments, springs can be used as current leads. 3) As springs are light in weight ... only. 2) Scale is non-uniform. 3) Control weights add to the weight of instrument.
advantage
disadvantage
spring
method
gravity
control
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351
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2
answers
asked
Sep 6, 2018
by
anonymous
State any two disadvantages of one wattmeter method of measurement of 3 phase power.
State any two disadvantages of one wattmeter method of measurement of 3 phase power.
Last answer:
State any two disadvantages of one wattmeter method of measurement of 3 phase power. Disadvantages of one wattmeter method:- 1. Only used for balanced load 2. It can not be used for ... connection then neutral point must be available 4. Delta connection must be opened to connect current coil.
disadvantages
wattmeter
method
measurement
phase
power
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asked
Sep 6, 2018
by
anonymous
With neat diagram explain calibration of energy meter by direct loading method.
With neat diagram explain calibration of energy meter by direct loading method.
Last answer:
Calibration of Energy Meter by Direct Loading Method: There are three methods for testing/calibration: 1. Long period dial test 2. Using rotary sub- standard meter 3. Using precision grade instruments All ... of substandard meter in kWh Then % error = [(D - DS)/DS] x 100
explain
calibration
energy
meter
direct
loading
method
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answer
asked
Sep 6, 2018
by
anonymous
Explain V- I method of measurement of medium resistance.
Explain V- I method of measurement of medium resistance.
Last answer:
In this method, use suitable source, ammeter and voltmeter and connect them as shown in the above diagram. Take reading of voltmeter and ammeter, then value of resistance = R = V/I Ω To minimise the error take 4 to 5 observation for the same resistance and take their average.
v-
i
method
measurement
medium
resistance
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answer
asked
Sep 5, 2018
by
anonymous
Explain spring control method with neat diagram.
Explain spring control method with neat diagram.
Last answer:
Spring Control Method: As shown in the figure the inner ends of the both springs are attahced to the spindle ,while outer end of upper spring is attached to the lever and outer end of ... the springs are twisted in opposite direction to the motion of pointer and produce controlling torque.
spring
control
method
diagram
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249
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1
answer
asked
Sep 5, 2018
by
anonymous
List one advantage and one disadvantage of one wattmeter method.
List one advantage and one disadvantage of one wattmeter method.
Last answer:
Advantages: 1) Only one wattmeter is used. 2) Less number of connections. 3) Cost required is less. Disadvantages: 1) Used only for 3- Φ balanced load and not for ... be accessible for connecting the Pressure coil. 3) Delta connection must be opened to connect current coil.
advantage
disadvantage
wattmeter
method
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1
answer
asked
Sep 5, 2018
by
anonymous
List any four errors in induction type energy meter. Give method of compensation for each.
List any four errors in induction type energy meter. Give method of compensation for each.
Last answer:
Errors in Induction Type Energy Meter with their Compensation: 1) Error due to friction: This error can be compensated by the additional shading band provided on the shunt electromagnet. 2) Phase ... error: This error can be compensated by providing a flux diverter' to the current magnet.
errors
induction
type
energy
meter
method
compensation
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1
answer
asked
May 3, 2018
by
anonymous
The self GMD method is used to evaluate
The self GMD method is used to evaluate
Last answer:
The self GMD method is used to evaluate inductance and capacitance
self
gmd
method
used
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391
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1
answer
asked
Apr 28, 2018
by
anonymous
The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are
The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are 8 kW and 4 kW. The power factor of the load is (A) zero (B) 0.5 (C) between zero and 0.5 (D) between 0.5 and unity
Last answer:
The power consumed by a balanced 3-ph load is measured by two-wattmeter method. The meter readings are 8 kW and 4 kW. The power factor of the load is between 0.5 and unity
power
consumed
balanced
load
measured
two-wattmeter
method
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1
answer
asked
Apr 26, 2018
by
anonymous
The bridge method commonly used for finding mutual inductance is
The bridge method commonly used for finding mutual inductance is (A) Heaviside Campbell bridge (B) Schering bridge (C) De Sauty bridge (D) Wien bridge
Last answer:
The bridge method commonly used for finding mutual inductance is Heaviside Campbell bridge
bridge
method
mutual
inductance
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596
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1
answer
asked
Mar 22, 2018
by
anonymous
method can bring the locomotive to dead stop.
Last answer:
Plugging braking method can bring the locomotive to dead stop.
method
locomotive
dead
stop
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64
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1
answer
asked
Mar 20, 2018
by
anonymous
Which method of braking is generally used in elevators ?
Last answer:
Plugging method of braking is generally used in elevators.
method
braking
elevators
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1
answer
asked
Mar 20, 2018
by
anonymous
Regenerative method of braking is based on that?
Last answer:
Regenerative method of braking is based on that back e.m.f. is equal to the applied voltage.
regenerative
method
braking
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1
answer
asked
Mar 20, 2018
by
anonymous
The main disadvantage of the Ward-Leonard control method is?
Last answer:
The main disadvantage of the Ward-Leonard control method is high initial cost, high maintenance cost, low efficiency at light loads.
disadvantage
ward-leonard
control
method
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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.
constant
torque
drive
speed
control
method
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1
answer
asked
Mar 20, 2018
by
anonymous
Speed control by Ward Leonard method gives uniform speed variation?
Last answer:
Speed control by Ward Leonard method gives uniform speed variation in both directions.
speed
control
ward
leonard
method
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102
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1
answer
asked
Mar 20, 2018
by
anonymous
Annual depreciation as per straight line method, is calculated by?
Last answer:
Annual depreciation as per straight line method, is calculated by the capital cost minus the salvage value, is divided by the number of years of life.
annual
depreciation
straight
line
method
calculated
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48
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1
answer
asked
May 25, 2018
by
anonymous
For the use of Newton-Raphson method, the non-linear algebraic equations are made linear with the help of
For the use of Newton-Raphson method, the non-linear algebraic equations are made linear with the help of (a) By decoupling the equations (b) Taylor series expansion (c) Exponential distribution (d) Nothing can be said
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0
answers
asked
May 24, 2020
by
anonymous
State the use of synchroscope.
State the use of synchroscope.
Last answer:
Use of Synchroscope: The synchroscope is used to determine the exact instant of switching required to connect the alternators in parallel or put an alternator in parallel with the infinite bus. ... idea of the faster or slower machine to make adjustments in speed of alternators for synchronising.
use
synchroscope
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1
answer
asked
May 22, 2020
by
anonymous
State the advantages of use of high voltage in transmission of Electric power.
State the advantages of use of high voltage in transmission of Electric power.
Last answer:
Advantages: 1. As Transmission voltage increases, current decreases. 2. As current decreases, cross section of conductor decreases. 3. As cross section of conductor decreases, its ... high voltage transmission line, successful interconnection of transmission line is possible than low voltage.
advantages
use
high
voltage
transmission
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1
answer
asked
May 15, 2020
by
anonymous
What is the use of transformer?
What is the use of transformer?
Last answer:
The use of transformer is to do lower or raise the voltage or currents in an electrical circuit. That's quite so simple.
use
transformer
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138
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1
answer
asked
Apr 2, 2020
by
anonymous
Use phasors to find
Use phasors to find
Last answer:
Use phasors to find
use
phasors
to
find
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40
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1
answer
asked
Sep 6, 2018
by
anonymous
State the use of:- (i) Clip-on-ammeter (ii) Phase sequence indicator
State the use of:- (i) Clip-on-ammeter (ii) Phase sequence indicator
Last answer:
(i) Clip-on-ammeter: used for measurement of current in cables/lines in live conditions without disconnecting them. (ii) Phase sequence indicator: To determine /find the phase sequence of 3 phase supply.
use
clip-on-ammeter
phase
sequence
indicator
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56
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1
answer
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.
use
electric
power
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68
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1
answer
asked
Apr 29, 2018
by
anonymous
The use of regenerator in a gas turbine cycle
The use of regenerator in a gas turbine cycle (1) increases efficiency but has no effect on output (2) increases output but has no effect on efficiency (3) increases both efficiency and output (4) increases efficiency but decreases output
Last answer:
The use of regenerator in a gas turbine cycle increases efficiency but has no effect on output
use
regenerator
gas
turbine
cycle
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96
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1
answer
asked
Apr 29, 2018
by
anonymous
Magnetic circuit breakers use _________
Magnetic circuit breakers use _________ A) Permanent magnets B) Earth magnets C) Solenoid D) All the above
Last answer:
Magnetic circuit breakers use Solenoid
magnetic
circuit
breakers
use
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1
answer
...