What are the different sources of renewable energy?

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Description : What is the difference between renewable and nonrenewable energy sources?

Answer : Renewable energy sources are non-perishable, and Non-renewable energy sources are perishable sources. Non-Renewable energy sources are like  coal, oil,nuclear fuel etc. Renewable energy sources are :- wind, solar, tidal, Geo thermal etc.

Description : Compare conventional energy sources with renewable energy sources on any four points. 

Answer : Points Conventional Energy Sources Renewable Energy Sources Availability Limited Unlimited Cost of Fuel High depending on fuel.  Negligible Amount of Power generated On large scale due ... should be selected at source For example HPP, TPP, NPP SPP and WPP

Description : What is renewable source of energy? State two examples for the same.

Answer : Renewable (Primary) Energy sources: It is defined as the sources that can be used again and again for the generation of electrical energy are called renewable.  Following are the some list ... ) and carbon dioxide  6. Geothermal Energy  Geothermal Electricity Production  7. Fuel Cells

Description : List any four sources of energy. 

Answer : List of sources of energy:-  1. Hydro energy (P.E. of water)  2. Nuclear energy (Heat is produced by fission processes of U235)  3. Fossil fuels:  i) Thermal energy (by combustion of coal) ... -65 % in volume) and carbon dioxide  7. Fuel Cells (hydrogen)  b) Name any two thermal power

Description : What are the advantages and disadvantages of wave energy?

Answer : AdvantagesFree from pollutionAvailable for every timeThe water can reuse as drinking purposeDisadvantageMore costLarge maintenanceDifficult to constructAquatic life get affected

Description : What are the advantages and disadvantages of solar energy?

Answer : Free of costRenewable energyInextable solar energyLow energy densityHigh capital costMaintenance cost highDepends on weatherNeed to direction tracking

Description : What are the disadvantages of using solar energy?

Answer : High installation costEnergy density is depend on weatherSo it is low Not suitable in all areasMaintenance cost high

Description : A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled then the voltage across each resistor will

Answer : A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled then the voltage across each resistor will not change

Description : Which countries are using wave energy?

Answer : The following countries are using wave energy :GreecePortugalUnited StatesUnited KingdomSpainIsraelSweden

Description : What is the definition of wind energy?

Answer : Motion of atmosphere of earth is called wind and its kinetic energy is called wind energy

Description :

Nodal Analysis with Voltage Sources dependent voltage source and two supernode

Answer : Nodal Analysis with Voltage Sources dependent voltage source and two supernode

Description : Nodal Analysis with Voltage Sources

Answer : Nodal Analysis with Voltage Sources

Description : Different types of Renewable energy sources are

Answer : Different types of Renewable energy sources are : 1) Solar energy 2) Wind energy 3) Tidal energy 4) Geothermal energy 5) Bio mass energy Utilization of energy sources can be by ... Direct methods - Thermal and photovoltaic Indirect methods - Tidal, wind, biomass and ocean thermal energy

Description : What are some disadvantages of hydroelectric power plant?

Answer : The disadvantages of the hydroelectric power plant are as follows :The hydroelectric power plant can be developed only where the large quantity of water is available. The hydroelectric ... civil engineering costs may be high.These are some disadvantages of the hydroelectric power plant.

Description : Classify energy sources with two examples each.

Answer : Types of energy Source  Primary energy source is an energy form found in nature that has not been subjected to any conversion or transformation process. The primary energy sources are derived from: the sun, ... energy sources: These sources can renew again and again. e.g Solar, Wind, Biomass, Hydro

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Describe the following energy conservation methods of lighting system. i) By replacing lamp sources ii) Using light control gears.

Answer : Energy conservation methods of lighting system:  i) By replacing lamp sources:  Installation of energy efficient fluorescent lamps in place of Conventional fluorescent lamps. Installation of ... (HF) electronic ballasts in place of conventional ballasts which saves energy up to 35%.

Description : What are the factors to be considered while selection of motors for different drives?

Answer : Following Factors are considered while selecting electric drive (Motor) for particular application:  Factors to be considered for selection of Electrical Drives:  1) Nature of Supply:- Whether supply ... , load equalization 7) Cost: - Capital, Running and maintenance cost should be less.  

Description : What are the different types of capacitors?

Description : What are the different types of welding?

Description : What are the different types of sensors?

Description : What are the different types of microcontrollers?

Description : What are the different types of telecommunication systems?

Description : What are the different branches of electronics?

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Description : State the different types of outdoor flood lighting and where are they used.

Answer : There are three types of projectors used for flood lighting :  a) Narrow beam Projector b) Medium angle Projector c) Wide angle Projector a) Narrow beam Projectors: - Light beam with such ... yards, stadiums, car parking area etc. 3) It is used for illuminating advertisements, boarding's etc.

Description : How are nuclear reactors controlled? Explain two different methods in brief.

Answer : Nuclear reactor is controlled using control rods: Control rods are made up of very high neutron absorbing material like boron, cadmium. By adjusting height of control rods on reactor core ... of nuclear reaction will increase. Whereas by pushing control rod towards the core it will reduce.

Description :

Answer : If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is a sinusoid of the same frequency.

Description : List the different level measurement methods. 

Answer : Liquid Level Measurement Direct method 1. Hook type 2. Sight glass gype 3. Float type 4. Dip stick Indirect method 1. Hydraustatic pressure type 2. Electrical type a) Capacitance level indicator b) Radiation level detector c) Ultrasonic level gauge 3. Radar type

Description : State different types of holders used in wiring installation.

Answer : Following types of holders used in wiring installation: 1. Pendent Holder 2. Batten Holder 3. Angle holder 4. Screwed holder 

Description : List different starting methods of three phase synchronous motor. Explain any one of them.

Answer : Different Starting Methods of Three Phase Synchronous Motor: As synchronous motor is not self starting, different methods of starting are as follows: 1) By using an Induction (Pony) motor 2) ... . The rotor gets pulled into synchronism and starts running at constant speed as a synchronous motor. 

Description : List different torques in synchronous motor. 

Answer : Different Torques in Synchronous Motor: 1) Starting torque 2) Running torque 3) Pull-in torque 4) Pull-out torque

Description : List the different types of tariff.

Answer : Various types of Tariff:-  1) Flat-demand Tariff  2) Simple-demand Tariff or Uniform Tariff  3) Flat-rate Tariff  4) Step-rate Tariff  5) Block-rate Tariff  6) Two-part Tariff  7) Maximum demand Tariff ... c) KW and KVAR Tariff 10) TOD (Time of Day) Tariff 11) TOU ( Time of Usage) Tariff

Description : State the purpose of lighting control. List the different types of dimmer.

Answer : Purpose of Lighting Control:- 1. To turn ON or OFF the lamps 2. For dimming: The dimming control permits the adjustment of lighting over a range. 3. For changing the lighting levels ... operated dimmer 6) Triac operated Dimmer 7) PWM (Pulse width modulation) Controlled technique.

Description : State different types of electrical signal and draw all types of waveforms.

Answer : Types of electrical signals 1) Sine wave 2) Triangular wave 3) Square wave Waveforms

Description : Give different types of IC.

Answer : 1. Analog IC 2. Digital IC 3. Thin and thick film ICs 4. Monolithic ICs 5. Hybrid or multichip ICs

Description : List different types of stepper motor. State one application of stepper motor.

Answer : Types of stepper motor : (i)Variable - reluctance motor (ii) Permanent- magnet motors (iii) Hybrid motors. Applications of stepper motor : In robotics, In CNC machines, In computers, printers, ... In Watches, In biomedical applications such as X-ray machines, CT scan, In Process control systems. 

Description : different types of errors occurs in measurement.

Answer : Generally errors are classified into three types: systematic errors, random errors and blunders. 1) Gross Errors 2) Random Errors 3) Systematic Errors Instrumental Errors Environmental ... to wrong observations or reading in the instruments particularly in case of energy meter reading. 

Description : State the different methods of Power Generation adopted in India. 

Answer : 1. Hydro energy or hydro Electric power plant  2. Nuclear energy or nuclear Power Plant  3. Fossil fuels: i) Thermal energy (by combustion of coal) or Thermal Power Plant ii) Natural gas ... from any organic waste materials. It contains mixture of methane(50-65 % in volume) and carbon dioxide

Description : List the four different units of pressure.

Answer : Different units of pressure. 1) Measured in pascal(Pa). 2) Measured in pounds per square inch(psi) 3) Measured in kilogram per square of centimeter (Kg/cm2 ). 4) Measured in newton per square meter (N/m2 ). 5) Measured in terms of liquid columns. mmHg or mmWc

Description : Name the different torque and their function in measuring instrument.

Answer : List of torques in analog instruments:  1. Deflecting torque  2. Controlling / restraining torque.  3. Damping torque.  1. Deflecting torque:  - To create deflection of pointer ... .  - Bring the pointer to standstill quickly.  - To minimize oscillations about final position. 

Description : List the different types of frequency meters.

Answer : Different types of frequency meters  1. Reed type [Mechanical type] 2. Ferro-dynamic type [Resonances type] 3. Weston type 4. Ratio-meter type 5. Saturable core type 6. Digital type

Description : List the different methods to produce damping torque.

Answer : Methods of providing damping torque in indicating type instruments: 1) Air friction damping. 2) Fluid friction damping. 3) Eddy current damping.

Description : List the different errors in wattmeter & explain compensation for it.

Answer : Errors in Wattmeter Compensation method Error due to connection method To overcome this error, wattmeters are provided with additional compensating winding which is connected in series with ... due to friction The weight of moving system be reduced to minimum possible.

Description : List different types of FET.

Answer : Types of FETs:  1. Junction FET (JFET) i. N-Channel JFET ii. P-Channel JFET  2. MOSFET i. E-MOSFET ii. D-MOSFET 

Description : Describe different RT level computational and sequential components used to design single function processors.

Answer : RT-level combinational components:- To reduce the complexity in digital logic, combinational components are used, which are more powerful than logic gates.  Such combinational ... during a clock edge. An asynchronous inputs value effects the circuit independent of the clock.

Description : Explain different gate drives techniques with base circuits and key features.

Description :

Enlist the different modes of operation of electronic counters and explain any two modes in details.

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