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Define polarization.
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asked
Mar 11, 2018
by
anonymous
Define polarization.
define
polarization
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asked
Mar 11, 2018
by
anonymous
Define magnetic susceptibility.
Define magnetic susceptibility.
define
magnetic
susceptibility
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asked
Jan 2
by
anonymous
Define brazing.
Define brazing.
Last answer:
Brazing: It is a metal joining process in which two or more metal items are joined together by melting and flowing a filler metal into the joint, the filler metal having a lower melting point than the adjoining metal.
define
brazing
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Jun 26, 2020
by
anonymous
Define absolute pressure, atmospheric pressure.
Define absolute pressure, atmospheric pressure.
Last answer:
Absolute Pressure : Absolute pressure is defined as actual total pressure including atmospheric pressure acting on a surface Unit of absolute pressure is pounds per square inch absolute and it ... by the air surrounding to the earth. Unit of atmospheric pressure is Pounds per square inch.
define
absolute
pressure
atmospheric
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asked
May 25, 2020
by
anonymous
Define: 1) Electrode 2) Electrolyte
Define: 1) Electrode 2) Electrolyte
Last answer:
Electrode: An electrode is a small piece of metal or other substance that is used to take an electric current to or from the source of power. Electrolyte: The substance which is ... electric current to pass through it, resulting in the chemical decomposition, is known as an electrolyte.
define
electrode
electrolyte
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asked
May 7, 2020
by
anonymous
Define earthing. State its types.
Define earthing. State its types.
Last answer:
Definition of earthing: * Earthing means connecting the metal body of electrical device to the general mass of earth by a wire of negligible resistance. OR * Earthing means connecting the metal body of ... ii) Pipe type earthing iii) Rod type earthing iv) Strip earthing v)Water main earthing
define
earthing
state
its
types
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asked
May 7, 2020
by
anonymous
Define Feed and speed in shaping machine
Define Feed and speed in shaping machine
Last answer:
1) Feed: Feed (S) is the relative movement of the work or tool in a direction perpendicular to the axis of reciprocation of the ram per double stroke. It is expressed in mm per stroke. 2) Speed: ... speed is the speed at which the metal is removed by the cutting tool in a period of one minute.
define
feed
and
speed
in
shaping
machine
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asked
May 7, 2020
by
anonymous
Define armature reaction in an alternator. Explain the effect of armature reaction at various P.F. of loads of alternator.
Define armature reaction in an alternator. Explain the effect of armature reaction at various P.F. of loads of alternator.
Last answer:
Armature Reaction: The effect of armature flux on main flux is called as armature reaction. Armature Reaction at Various Power Factors: When armature is loaded, the armature flux modifies ... lagging p.f. For capacitive loads the effect of flux is partly distorting and partly strengthening.
define
armature
reaction
in
an
alternator
explain
the
effect
of
at
various
p
f
loads
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1
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asked
May 6, 2020
by
anonymous
Define impedance diagram and reactance diagram.
Define impedance diagram and reactance diagram.
Last answer:
Impedance diagram: Impedance diagram is the simplified equivalent circuits of single line or one line diagrams of power system in which all components are represented by their equivalent circuit. ... machines are neglected and is used only for fault current calculation is called reactance diagram.
define
impedance
diagram
and
reactance
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1
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asked
May 5, 2020
by
anonymous
Define leakage factor.
Define leakage factor.
Last answer:
It is the ratio of total flux to leakage flux.
define
leakage
factor
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asked
May 3, 2020
by
anonymous
Define Energy conservation.
Define Energy conservation.
Last answer:
Energy conservation: Reduction in the amount of energy consumed in a process or system, or by an organization or society, through economy, elimination of waste, and rational use is referred ... electrical power and to increase the efficiency of every machine and material by minimizing the losses.
define
energy
conservation
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1
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asked
May 3, 2020
by
anonymous
Define the terms incandescent and incandescent lamp.
Define the terms incandescent and incandescent lamp.
Last answer:
Incandescent is the phenomenon in which the object emits or creates light when it is heated. An incandescent lamp is a lamp in which the filament is heated by electrical current & light is created.
define
the
terms
incandescent
and
lamp
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asked
May 3, 2020
by
anonymous
Define Enhance lighting.
Define Enhance lighting.
Last answer:
Enhance lighting: Enhance lighting is the lighting with various colour effect and controlled light intensity, used for decoration and effective visualization of gold, silver, diamond and watches showroom purpose.
define
enhance
lighting
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asked
May 2, 2020
by
anonymous
Define PIV, TUF, ripple factor, efficiency of rectifier.
Define PIV, TUF, ripple factor, efficiency of rectifier.
Last answer:
Peak Inverse Voltage (PIV): The maximum value of reverse voltage (for the diode in a rectifier) occurring at the peak of the negative cycle of the input cycle is called Peak Inverse Voltage. ... dc power delivered to the load to the ac input power from the secondary winding of the transformer.
define
piv
tuf
ripple
factor
efficiency
of
rectifier
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asked
May 2, 2020
by
anonymous
Define Analog Transducer and give examples of it
Define Analog Transducer and give examples of it
Last answer:
Analog Transducer: An analog transducer is a device that converts the input signal into a continuous DC signal of voltage or current. Examples: * Strain gauge * L.V.D.T * Thermocouple * Thermistor
define
analog
transducer
and
give
examples
of
it
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answer
asked
May 2, 2020
by
anonymous
Define resistor and draw symbol of variable resistor.
Define resistor and draw symbol of variable resistor.
Last answer:
Resistor: A resistor is an electrical component that limits or regulates the flow of electrical current in an electronic circuit. Symbol of variable resistor:
define
resistor
and
draw
symbol
of
variable
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1
answer
asked
May 2, 2020
by
anonymous
Define: i) Input Offset Voltage ii) Input offset Current iii) Input Bias Current iv) Output offset voltage
Define: i) Input Offset Voltage ii) Input offset Current iii) Input Bias Current iv) Output offset voltage
Last answer:
Definition of parameters of OPAMP is follows: i) Input Offset Voltage: Input offset voltage is defined as the voltage that must be applied between the two input terminals of an OPAMP to null or ... to ground) and output voltage is obtained non zero such voltage is output offset voltage of opamp.
define
i
input
offset
voltage
ii
current
iii
bias
iv
output
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asked
May 2, 2020
by
anonymous
Define Multivibrator. State the types of multivibrator. Which M/V can be used as a flip-flop? Draw the circuit diagram.
Define Multivibrator. State the types of multivibrator. Which M/V can be used as a flip-flop? Draw the circuit diagram.
Last answer:
Definition:- A multivibrator is an electronic circuit that switches rapidly by means of positive feedback between two or more states. OR A multivibrator is an electronic circuit used to implement a ... Bistable Multivibrator: it can operate as a flip-flop, Circuit diagram
define
multivibrator
types
flip-flop
draw
circuit
diagram
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1
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asked
May 2, 2020
by
anonymous
What do you mean by active filter? State its advantages over passive filter . Define pass band & stop band with respect to filter.
What do you mean by active filter? State its advantages over passive filter . Define pass band & stop band with respect to filter.
Last answer:
Active Filter: Active Filter is formed by using active element along with the passive components. Advantages of Active filter over Passive filter: High value of pass band gain can be obtained. It is ... pass band. Stop Band Filter: The frequency range which is attenuated is known as stop band.
active
filter
state
its
advantages
over
passive
define
pass
band
&
stop
with
respect
to
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1
answer
asked
May 2, 2020
by
anonymous
Define Sample and hold period with reference to S/H circuit.
Define Sample and hold period with reference to S/H circuit.
Last answer:
Sample Period:- The time period during which the voltage across the capacitor is equal to the input voltage is called sample period. Hold Period:- The time period during which the voltage across the capacitor is constant is called hold period.
define
sample
and
hold
period
with
reference
to
s
h
circuit
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1
answer
asked
Apr 27, 2020
by
anonymous
Define Faraday’s first law of electromagnetic induction.
Define Faraday’s first law of electromagnetic induction.
Last answer:
Faraday’s First Law: Whenever a changing magnetic flux links with a conductor, an emf is induced in that conductor. OR When a conductor cuts across magnetic field, an emf is induced in that conductor.
define
faradays
first
law
of
electromagnetic
induction
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1
answer
asked
Apr 16, 2020
by
anonymous
Define Dielectric Strength for transformer oil. State its value for new transformer oil.
Define Dielectric Strength for transformer oil. State its value for new transformer oil.
define
dielectric
strength
for
transformer
oil
state
its
value
new
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0
answers
asked
Mar 18, 2020
by
anonymous
Define Resonance.
Define Resonance.
Last answer:
When the frequency of the external periodic force applied to a body is exactly equal to ( matches) natural frequency of body, the body vibrates with maximum amplitude, the effect is known as resonance
define
resonance
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3
answers
asked
Jun 29, 2019
by
anonymous
Briefly define each of the following: (a) 1 coulomb (b) 1 volt (c) 1 ampere (d) 1 ohm.
Briefly define each of the following: (a) 1 coulomb (b) 1 volt (c) 1 ampere (d) 1 ohm.
briefly
define
each
of
the
following
a
1
coulomb
b
volt
c
ampere
d
ohm
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0
answers
asked
Jun 29, 2019
by
anonymous
Define the term ion.
Define the term ion.
define
the
term
ion
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0
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asked
Oct 25, 2018
by
anonymous
Define absolute zero and absolute temperature
define
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0
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asked
Sep 22, 2018
by
anonymous
Define the following terms and state their units: (i) Luminous intensity, (ii) Luminous flux
Define the following terms and state their units: (i) Luminous intensity, (ii) Luminous flux
Last answer:
i) Luminous intensity: This is defined as the luminous flux emitted into a solid angle of space in a specific direction. Its unit is the candela. OR The luminous flux per unit solid angle ( ... energy radiated by the light source in all direction. The unit of luminous flux is lumen (lm)
define
luminous
intensity
flux
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asked
Sep 22, 2018
by
anonymous
Define the following: i) Residential load ii) Industrial load
Define the following: i) Residential load ii) Industrial load
Last answer:
i) Residential load: The electrical load which is used in residential installation is called as residential load. E.g. incandescent lamp, florescent tube, fan ,5A socket &15A socket etc. ii ... 3-ph any type of motor, electric furnace ,oven,welding transformer and any power load etc.
define
residential
load
industrial
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1
answer
asked
Sep 20, 2018
by
anonymous
Define Tender and state any three requirements of valid contract.
Define Tender and state any three requirements of valid contract.
Last answer:
Meaning Tender:- Tender is offer or invitation of the work between any two parties. This offer may be written or non written. This offer is given by party no.1 (owner) to party no.2 ( ... . Contract should be signed by proper authorized persons. 6. It should be legally challenged in the court.
define
tender
state
requirements
valid
contract
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answer
asked
Sep 19, 2018
by
anonymous
Define contract and state its types.
Define contract and state its types.
Last answer:
Definition of Contract:- The agreement between two parties under some specific terms and conditions is known as contract. Types of Engineering contract:- 1) Lump sum contract 2) Item rate contract 3) ... contract 11)Cost plus(+) fluctuating fees rate contract 12) Cost plus(+) fix fee contract
define
contract
state
types
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1
answer
asked
Sep 18, 2018
by
anonymous
Define service connection and state types connection and state types of overhead service connection
Define service connection and state types connection and state types of overhead service connection
Last answer:
Service Connection:- It is the input conductor or wire which is carried out from supply company (authorities) pole to consumers' main board or premises. Types of overhead service ... 1. Overhead service connection with Bare conductor 2. Overhead service connection with weather proof cable
define
service
connection
state
types
overhead
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1
answer
asked
Sep 18, 2018
by
anonymous
Define Electrical Installation and give its classification.
Define Electrical Installation and give its classification.
Last answer:
Meaning of Electrical installation : Electrical installation is a process of estimation and erection of electrical wiring with materials, and electrical machines used by ... Residential Electrical Installation ii) Commercial Electrical Installation iii) Industrial Electrical Installation
define
electrical
installation
classification
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104
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1
answer
asked
Sep 8, 2018
by
anonymous
Define laminar flow and turbulent flow.
Define laminar flow and turbulent flow.
Last answer:
Laminar flow : When a fluid flowing through the pipe at different speeds (fast at center and slow at edges), and the fluid particles move in layers with one layer sliding over the adjacent ... successive cross sections, then this flow is called as turbulent flow. Reynolds no is greater than 4000
define
laminar
flow
turbulent
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2
answers
asked
Sep 8, 2018
by
anonymous
Define transducer. Give two examples.
Define transducer. Give two examples.
Last answer:
Transducer - It converts one form of signal into another form. A transducer is a device that is used to convert a physical quantity into its corresponding electrical signal. Classification - 1. Active transducer 2. Passive transducer
define
transducer
examples
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5
answers
asked
Sep 7, 2018
by
anonymous
Define natural, mechanical, forced and induced draught systems.
Define natural, mechanical, forced and induced draught systems.
Last answer:
Natural draught system: - When the fuel is burnt (combustion) in the furnace due to natural circulation of air, the draught is called natural draught. Mechanical draught system: - In a mechanical ... combustion. OR If fan/blower is placed after the furnace then it is called as induced draught
define
natural
mechanical
forced
induced
draught
systems
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1
answer
asked
Sep 7, 2018
by
anonymous
Define the term solar constant.
Define the term solar constant.
Last answer:
Solar energy arrived atmosphere at a constant rate of 1350W/M²
define
solar
constant
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2
answers
asked
Sep 7, 2018
by
anonymous
Define Q factor.
Define Q factor.
Last answer:
Quality Factor: The quality factor basically represents a figure of merit of a component (practical inductor or capacitor) or a complete circuit. It is a dimensionless number and defined as: ... between two branches of the circuit to the current taken by the parallel circuit from the source.
define
q-factor
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1
answer
asked
Sep 7, 2018
by
anonymous
Define balanced 3 phase load.
Define balanced 3 phase load.
Last answer:
Balanced 3 phase Load: Balanced three phase load is defined as star or delta connection of three equal impedances having equal real parts and equal imaginary parts. It takes same current of equal magnitude and equal phase angle.
define
balanced
phase
load
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1
answer
asked
Sep 7, 2018
by
anonymous
Define admittance and state its unit.
Define admittance and state its unit.
Last answer:
Admittance is defined as the ability of the circuit to carry (admit) alternating current through it. OR It is the reciprocal of impedance Z. i.e Admittance Y = 1/Z. Unit: Its unit is siemen (S) or mho (Ʊ).
define
admittance
unit
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1
answer
asked
Sep 6, 2018
by
anonymous
Define :- (i) Accuracy (ii) Resolution
Define :- (i) Accuracy (ii) Resolution
Last answer:
i) Accuracy: It is the closeness of an instrument reading with the true value of the quantity under measurement. OR It is defined as the ability of an instrument to respond to a ... can be detected with certainty by an intrument. OR Resolution is the smallest measurable input change
define
accuracy
resolution
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1
answer
asked
Sep 6, 2018
by
anonymous
Define energy. Write unit of it.
Define energy. Write unit of it.
Last answer:
Energy :- Electrical energy is defined as the work done in moving electrical charge in electrical fields over specific time duration OR The total power delivered or consumed by consumer over specific time duration. ... the power w.r.t. time Unit :- Its Unit in watt sec., WHr., KWHr.
define
energy
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1
answer
asked
Sep 5, 2018
by
anonymous
Define accuracy and precision
Define accuracy and precision
Last answer:
1) Accuracy: It is the closeness of an instrument reading with the true value of the quantity under measurement. OR It is defined as the ability of a instrument to respond to a true value ... is a measure of the degree of agreement within a group of a measurement of the same quantity.
define
accuracy
precision
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1
answer
asked
Sep 5, 2018
by
anonymous
Define junction field effect transistor (JFET) and give an example.
Define junction field effect transistor (JFET) and give an example.
Last answer:
Junction Field-Effect Transistor: It is a semiconductor device having three terminals, namely Gate, Drain and Source, in which the current flow is controlled by an electric field set up by an external voltage applied ... : i) n-channel JFET and ii) p-channel JFET Examples of JFET: BFW 10, BFW 11
define
junction
field
effect
transistor
jfet
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1
answer
asked
Sep 5, 2018
by
anonymous
Define gain and bandwidth of an amplifier.
Define gain and bandwidth of an amplifier.
Last answer:
Bandwidth The range of frequency over which the voltage gain is equal to or greater than 70.7% of its maximum value Gain: The ratio of output parameter (voltage/ current /power) to the input parameter (voltage/ current /power) of an amplifier is known as gain. It is denoted by a letter A
define
gain
bandwidth
amplifier
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1
answer
asked
Sep 5, 2018
by
anonymous
Define negative and positive feedback
Define negative and positive feedback
Last answer:
1. Negative feedback: Feedback in which feedback signal is out of phase with input signal and it decreases output is called negative feedback. 2. Positive feedback: Feedback in which feedback signal is in phase with input signal and it increases output is called positive feedback.
define
negative
positive
feedback
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68
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1
answer
asked
Sep 5, 2018
by
anonymous
Define biasing of transistor
Define biasing of transistor
Last answer:
Biasing of transistor is the process that makes the base emitter junction of transistor always forward biased and collector junction reverse biased for achieving the faithful amplification .
define
biasing
transistor
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1
answer
asked
Sep 5, 2018
by
anonymous
Define load and line regulation.
Define load and line regulation.
Last answer:
1. Load regulation : The load regulation indicates how much the load voltage changes when the load current changes. The load regulation is defined as: % Load regulation = (VNL-VFL) / VFL *100 ... the power supply. A well-regulated power supply can have a line regulation of less than 0.1%.
define
load
line
regulation
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answer
asked
Sep 5, 2018
by
anonymous
Define pinch off voltage and drain resistance of FET.
Define pinch off voltage and drain resistance of FET.
Last answer:
1 . Pinch-off Voltage: It is the value of the drain to source voltage VDS at which the drain current ID reaches its constant saturation value. Any further increase in VDS does not have any ... drain to source voltage to the change in drain current. It is also called AC/dynamic drain resistance.
define
pinch
off
voltage
drain
resistance
fet
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1
answer
asked
Sep 5, 2018
by
anonymous
Define ripple factor and PIV of diode.
Define ripple factor and PIV of diode.
Last answer:
1. Ripple factor: It is define as ratio of R.M.S. value of AC component to the DC component in the output. 2. PIV : It is maximum reverse voltage that diode can withstand without destroying junction.
define
ripple
factor
piv
diode
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1
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asked
Sep 5, 2018
by
anonymous
Define Depletion region and Barrier voltage of PN junction.
Define Depletion region and Barrier voltage of PN junction.
Last answer:
1. Depletion region : The region consisting of immobile positive charge at n-side and immobile negative charge at p-side near the junction acts like a barrier and prevents the further flow of ... charge formed at the p-n junction is called barrier voltage, barrier potential or junction barrier.
define
depletion
region
barrier
voltage
pn
junction
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asked
Sep 5, 2018
by
anonymous
Define following : i. Radix ii. Bit iii. Nibble iv. Byte
Define following : i. Radix ii. Bit iii. Nibble iv. Byte
Last answer:
i. Radix- the base to a given number system is called as radix. ii. Bit- Single ‗1‘ or ‗0‘ is called as a bit. iii. Nibble- a group of 4 bits is called as nibble iv. Byte- a group of 8 bits is called as a byte.
define
radix
bit
nibble
byte
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...