The unit heat rate characteristic of a thermal power unit shows : (A) Heat input per kWh of output versus the megawatt output of unit (B) Heat input per kW of output versus the megawatt output ... hour output of unit (D) Heat input per kW of output versus the megawatt hour output of unit
Last Answer : The unit heat rate characteristic of a thermal power unit shows : Heat input per kWh of output versus the megawatt output of unit
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Apr 30, 2018
by
anonymous
Options: A) WATT B) AMPERE C) VOLTS D) OHM
Last Answer : Correct Answer: A) WATT
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76 views
1 answer
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Jun 28, 2019
by
anonymous
The unit of power in S.I. units is
Last Answer : The unit of power in S.I. units is watt.
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1.3k views
1 answer
asked
Mar 22, 2018
by
anonymous
Define resistivity. State its unit.
Last Answer : Resistivity can be defined as the resistance of a conducting material per unit length with unit area of cross section. Its unit is ohm/meter
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65 views
1 answer
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Aug 4, 2019
by
anonymous
What is the smallest unit of a compound with the same chemical characteristics?
Last Answer : The molecule is the smallest unit of a compound with the same chemical characteristics.
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282 views
1 answer
asked
Jun 29, 2019
by
anonymous
THE UNIT OF RELUCTANCE IS
Last Answer : The si unit of reluctance is Ampere-turn/weber
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231 views
1 answer
Write the purpose of coal and ash handling unit. Also write different activities that arc carried out in this unit.
Last Answer : Purpose of coal and ash handling unit :- To transport coal from coal storage to power plant. A large quantity of ash about 10 to 30 % produced in furnace, the removal of ash from boiler furnace ... disposed off. Various methods of disposal of ash: Mechanical system. Pneumatic system.
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58 views
1 answer
asked
Sep 8, 2018
by
anonymous
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).
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224 views
1 answer
asked
Sep 7, 2018
by
anonymous
What is the SI unit of conductivity ?
Last Answer : The SI unit of conductivity Siemens/m.
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81 views
1 answer
asked
Sep 2, 2018
by
anonymous
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Which unit holds data permanently? (A) Input unit (B) Secondary storage unit (C) Output Unit (D) Primary Memory Unit
Last Answer : Which unit holds data permanently? (A) Input unit (B) Secondary storage unit (C) Output Unit (D) Primary Memory Unit
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171 views
1 answer
asked
May 8, 2018
by
anonymous
Which of the following is the SI unit for admittance? A) Ohm B) Henry C) Farad D) Siemens
Last Answer : Which of the following is the SI unit for admittance? A) Ohm B) Henry C) Farad D) Siemens
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232 views
1 answer
asked
Apr 29, 2018
by
anonymous
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Which of the following is an example of SI derived unit? A) Capacitance (Farad) B) Time (second) C) Luminous intensity (Candela) D) All the above
Last Answer : Which of the following is an example of SI derived unit? A) Capacitance (Farad) B) Time (second) C) Luminous intensity (Candela) D) All the above
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1 answer
asked
Apr 29, 2018
by
anonymous
Which of the following is a unit of magnetic flux? A) Weber B) Maxwell C) Both A and B D) None of these
Last Answer : Which of the following is a unit of magnetic flux? A) Weber B) Maxwell C) Both A and B D) None of these
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106 views
1 answer
asked
Apr 29, 2018
by
anonymous
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What is the SI unit for magnetic reluctance? A) Ampere B) Ampere-turns per weber C) Henry D) None of these
Last Answer : What is the SI unit for magnetic reluctance? A) Ampere B) Ampere-turns per weber C) Henry D) None of these
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351 views
1 answer
asked
Apr 29, 2018
by
anonymous
The unit of reluctance is?
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67 views
0 answers
asked
Mar 25, 2018
by
anonymous
The unit of retentivity is?
Last Answer : The unit of retentivity is weber/sq. m.
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790 views
1 answer
asked
Mar 25, 2018
by
anonymous
The unit of magnetic flux is?
Last Answer : The unit of magnetic flux is weber.
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1 answer
asked
Mar 25, 2018
by
anonymous
What is the unit of reactance?
Last Answer : Unit of reactance is Ohms ( Ω ) .Reactance is denoted by X .
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1 answer
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Jan 7, 2018
by
anonymous
Last Answer : Flux density is denoted by B. And it is given as B = flux/ area Where, the unit of flux is Weber and unit of area is meter square. So the unit of flux density is weber per meter square which is also called as Tesla.
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2 answers
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Sep 30, 2017
by
anonymous
Joule X second is the unit of?
Last Answer : Joule X second is the unit of power .
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1 answer
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Sep 20, 2017
by
anonymous
Last Answer : Unit of voltage is volt denoted by capital V .
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106 views
1 answer
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Sep 20, 2017
by
anonymous
Last Answer : Unit of resistance is Ohm.
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70 views
1 answer
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Sep 20, 2017
by
anonymous
Last Answer : Unit of work is Joule denoted by capital J .
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72 views
1 answer
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Sep 20, 2017
by
anonymous
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Last Answer : Unit of frequency is herzt
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75 views
2 answers
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Sep 20, 2017
by
anonymous
Last Answer : Unit of inductance is Henry denoted by capital H .
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1 answer
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Sep 20, 2017
by
anonymous
How to Install a Home HVAC Unit
Last Answer : How to Install a Home HVAC Unit Installing a two zone home heating, ventilating and air-conditioning (HVAC) system is not for a casual do-it-yourselfer but most aspects of the system past ... have oriented their wire coloring system. It should be done carefully to prevent any possibility of harm.
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1 answer
asked
May 14, 2021
by
anonymous
A) Watt B) Volts C) Farad D) Ampere
Last Answer : Correct answer: D) Ampere
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2.6k views
1 answer
asked
Jun 28, 2019
by
anonymous
Define the following terms related to tariff: (i) Connected load (ii) Unit consumed (iii) Fixed charges (iv) Electricity Tax
Last Answer : (i) Connected load It is the sum of the power ratings (Watts or kW or MW) of all devices and machines existing (installed) in the premises of consumer. It is used to decide the ... a percentage of the total electricity bill which includes all amounts that go to the electricity supply agency.
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434 views
1 answer
asked
Sep 22, 2018
by
anonymous
What does double integration of a unit step function lead to? A) A doublet B) A ramp C) An impulse D) A parabola
Last Answer : What does double integration of a unit step function lead to? A) A doublet B) A ramp C) An impulse D) A parabola
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497 views
1 answer
asked
Jun 18, 2018
by
anonymous
Which of the following are components of Central Processing Unit (CPU)? (A) Arithmetic logic unit, Mouse (B) Arithmetic logic unit, Control unit (C) Arithmetic logic unit, Integrated Circuits (D) Control Unit, Monitor
Last Answer : Which of the following are components of Central Processing Unit (CPU)? (A) Arithmetic logic unit, Mouse (B) Arithmetic logic unit, Control unit (C) Arithmetic logic unit, Integrated Circuits (D) Control Unit, Monitor
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1.2k views
1 answer
asked
May 8, 2018
by
anonymous
A control system having unit damping factor will give (1) Oscillatory response (2) Undamped response (3) Critically damped response (4) No response
Last Answer : 1
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1.4k views
2 answers
asked
May 1, 2018
by
anonymous
The unit of speed regulation of a governor is : (A) Hz (B) Hz/MW (C) Hz/MVA (D) rpm/MVAR
Last Answer : The unit of speed regulation of a governor is : Hz/MW
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254 views
1 answer
asked
Apr 29, 2018
by
anonymous
Unit commitment is a procedure in which : (A) Scheduling of total generation is done economically (B) Optimal combination of units in a system is chosen at any given time (C) ... are selected for financial economy (D) Most efficient machines are selected for minimum reactive power loss
Last Answer : Unit commitment is a procedure in which : Optimal combination of units in a system is chosen at any given time
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1 answer
asked
Apr 29, 2018
by
anonymous
A second order system shows 100% overshoot in its unit step response. It can be categorized as (A) underdamped system. (B) overdamped system. (C) Critically damped system. (D) undamped system.
Last Answer : A second order system shows 100% overshoot in its unit step response. It can be categorized as undamped system.
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1 answer
asked
Apr 28, 2018
by
anonymous
The unit circle of the Nyquist plot transforms into unity or 0 dB line of the amplitude plot of the Bode diagram for
Last Answer : The unit circle of the Nyquist plot transforms into unity or 0 dB line of the amplitude plot of the Bode diagram for all frequencies
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246 views
1 answer
asked
Apr 26, 2018
by
anonymous
The unit of work or energy in S.I. units is
Last Answer : The unit of work or energy in S.I. units is joule.
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74 views
1 answer
asked
Mar 22, 2018
by
anonymous
The unit of force in S.I. units is
Last Answer : The unit of force in S.I. units is Newton.
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1 answer
asked
Mar 22, 2018
by
anonymous
What is the unit of measure for voltage?
Last Answer : Voltage measured in volts.
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150 views
1 answer
asked
Mar 10, 2018
by
anonymous
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How much is 1 unit of electricity?
Last Answer : 1 unit of electricity is equal to 1 kWh.
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87 views
1 answer
asked
Mar 10, 2018
by
anonymous
What are the SI derived units?
Last Answer : Electrical capacitance, electrical resistance, electrical inductance, force, energy, power, magnetic flux, electric charge, and electric potential difference and EMF. These are the nine SI derived units.
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1 answer
asked
May 6, 2018
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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189 views
1 answer
asked
May 17, 2020
by
anonymous
What is the value of capacitance required to improve power factor from 0.7 to 0.9. Given that: Real power = 50 W Vrms of the source = 120 Frequency = 50 Hz #powerfactor
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197 views
0 answers
asked
May 17, 2020
by
anonymous
Why engine power is measured in horsepower (HP) ?
Last Answer : James Watt compared engine output with that of work done by a horse. WD by horse = 746W.
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199 views
2 answers
asked
Aug 25, 2019
by
anonymous
Why is AC better for long distance power transmission than DC ?
Last Answer : ac is more economical to transmit for long distances . wires can be made smaller by step up transformer .. since major cost are wires to transmit .. then at the end of distance step down transformer is used for commercial use.
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211 views
4 answers
asked
Aug 25, 2019
by
anonymous
Why don't we burry power lines underground ?
Last Answer : Because conductor used for power transmission are not insulated and if we do so it create phase to ground fault causing interruptions to supply.
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107 views
5 answers
asked
Aug 18, 2019
by
anonymous
Why capacitors are used to improve power factor?
Last Answer : Capacitors generate reactive power instead of that drawn from source which is required by inductive loads.so it reduce the reactive current which is drawn from source to be drawn from capacitor.This control in Electric bills cost.
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185 views
3 answers
asked
Aug 18, 2019
by
anonymous
Draw the block diagram of satellite sub-system and explain power subsystem.
Last Answer : POWER SUBSYSTEM- This system provides the necessary DC power to the satellite. All communication satellites derive their electrical power from solar cells. There is also a battery backup facility used during ... . to d.c. converter is used to raise the level of low voltages to high voltage.
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asked
Aug 8, 2019
by
anonymous
Compare the Nuclear power station with Hydro power station.
Last Answer : SR. No. Points Nuclear Power plant Hydro Power station 1 Site/ Location Where there is ample supply of water is available, away from thickly populated areas to avoid radioactive ... Field Application As base load Used as base load during as well as peak load
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1 answer
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Aug 2, 2019
by
anonymous
What are the basic requirements of locating wind power plant ?
Last Answer : The basic requirements of locating wind power plant: 1) The site should be selected where winds are strong i.e. where pressure of wind is high and there is continuity. 2) Wind pressure ... the turbine which can affect the system's overall performance. 10)Possibility to connect to power grid.
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137 views
1 answer
asked
Aug 2, 2019
by
anonymous
Classify condensers used in thermal power station. Explain each type in brief.
Last Answer : Types of condenser: Classification: 1. Jet Condenser (Mixing Type) 2. Surface condenser (non Mixing type) Explanation:- 1. Jet Condenser (Mixing Type) In Jet condenser the steam ... there in no direct contact between the steam and cooling water. This condensate is reused in boiler.
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144 views
1 answer
asked
Aug 2, 2019
by
anonymous
