1 Answer

Answer :

Unit of power is Watt denoted by capital W .

Related questions

Description : 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 

Description : Options: A) WATT B) AMPERE C) VOLTS D) OHM

Last Answer : Correct Answer: A) WATT

Description : The unit of power in S.I. units is

Last Answer : The unit of power in S.I. units is watt.

Description : 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

Description : 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.

Description : THE UNIT OF RELUCTANCE IS

Last Answer : The si unit of reluctance is Ampere-turn/weber

Description : 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.

Description : 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).

Description : What is the SI unit of conductivity ?

Last Answer : The SI unit of conductivity Siemens/m.

Description : 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

Description : 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

Description : 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

Description : 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

Description : 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

Description : The unit of retentivity is?

Last Answer : The unit of retentivity is weber/sq. m.

Description : The unit of magnetic flux is?

Last Answer : The unit of magnetic flux is weber.

Description : What is the unit of reactance?

Last Answer : Unit of reactance is Ohms ( Ω ) .Reactance is denoted by X .

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.

Description : Joule X second is the unit of?

Last Answer : Joule X second is the unit of power .

Last Answer : Unit of voltage is volt denoted by capital V .

Last Answer : Unit of resistance is Ohm.

Last Answer : Unit of work is Joule denoted by capital J .

Last Answer : Unit of frequency is herzt

Last Answer : Unit of inductance is Henry denoted by capital H .

Description : 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.

Description : A) Watt B) Volts C) Farad D) Ampere

Last Answer : Correct answer: D) Ampere

Description : 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. 

Description : 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 

Description : 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

Description : 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

Description : 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

Description : 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 

Description : 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.

Description : 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

Description : 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.

Description : The unit of force in S.I. units is

Last Answer : The unit of force in S.I. units is Newton.

Description : What is the unit of measure for voltage?

Last Answer : Voltage measured in volts.

Description : How much is 1 unit of electricity?

Last Answer : 1 unit of electricity is equal to 1 kWh.

Description : 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.

Description : 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. 

Description : 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.

Description : 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.

Description : 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.

Description : 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.

Description : 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.

Description : 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 

Description : 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. 

Description : 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. 

Description : State elements of diesel electric power plant with their functions. 

Last Answer : Elements of Diesel Power Plant with their function):   1) Diesel Engine: - This is the main component of the P.P. which develops mechanical power. 2) Engine air intake system: - Air ... fuel as per requirement. 10) Alternator: - Its function is to convert mechanical power into electrical power.

Description : Explain the working of Hydro power station with schematic layout. 

Last Answer : Working of Hydro- Electric Power Plant: Water stored at high level by constructing dam across river. This stored water has potential energy. This stored water is passed to run the water ... energy and Alternator is coupled to water turbine which converts mechanical energy into electrical energy.