Description : What are the different types of capacitors?
asked
Mar 15, 2018
by
anonymous
Description : What are the different types of sensors?
asked
Mar 11, 2018
by
anonymous
Description : What are the different types of microcontrollers?
asked
Mar 11, 2018
by
anonymous
Description : What are the different types of telecommunication systems?
asked
Mar 10, 2018
by
anonymous
Description : What are the different types of control systems?
asked
Mar 10, 2018
by
anonymous
Description : What are the different types of Arduino boards?
asked
Mar 10, 2018
by
anonymous
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.
asked
May 3, 2020
by
anonymous
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
asked
May 7, 2020
by
anonymous
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
asked
May 3, 2020
by
anonymous
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.
asked
May 3, 2020
by
anonymous
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
asked
May 2, 2020
by
anonymous
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
asked
May 2, 2020
by
anonymous
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.
asked
Apr 27, 2020
by
anonymous
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.
asked
Sep 4, 2019
by
anonymous
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
asked
Sep 6, 2018
by
anonymous
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
asked
Sep 4, 2018
by
anonymous
Description : What are the four basic welding positions?
asked
Mar 11, 2018
by
anonymous
Description : What is undercut defect in welding?
asked
Mar 11, 2018
by
anonymous
Description : For arc welding current range is usually (1) 10 to 15 A (2) 30 to 40 A (3) 50 to 100 A (4) 100 to 350 A
Answer :
For arc welding current range is usually 100 to 350 A
asked
Apr 30, 2018
by
anonymous
Description : Spot welding is used for (1) Thin metal (3) Castings only (2) Rough and irregular surface (4) Thick sections
Answer :
Spot welding is used for Thin metal
asked
Apr 30, 2018
by
anonymous
Description : Identify the correct combination of respective Electric arc welding and Electric resistance welding methods : (A) Butt welding and Seam welding (B) Hydrogen shielding and Projection welding (C) Seam welding and Coated electrode welding (D) Coated electrode welding and Hydrogen shielding
Answer :
Identify the correct combination of respective Electric arc welding and Electric resistance welding methods : (A) Butt welding and Seam welding (B) Hydrogen shielding and Projection welding ... Seam welding and Coated electrode welding (D) Coated electrode welding and Hydrogen shielding
asked
Apr 30, 2018
by
anonymous
Description : The electrode rod used for welding uses a coating on it
Answer :
The electrode rod used for welding uses a coating on it to give a vapour to serve as a shielding gas to protect the weld area from atmospheric contamination and to provide slag to protect the welded area
asked
Apr 29, 2018
by
anonymous
Description : The supply for arc welding is :
Answer :
The supply for arc welding is : Low voltage, high current ac or dc voltage
asked
Apr 29, 2018
by
anonymous
Description : what are the three different types of Electric power?
Answer :
Real,reactive,apparent power
asked
Dec 4, 2017
by
anonymous
Description : Explain with sketch electron beam welding.
Answer :
Electron Beam Welding Process In EBW process, the heat is generated when the electron beam impinges on work piece. As the high velocity electron beam strikes the surfaces to be welded, their kinetic ... material that is directly in the path is melted which when solidifies form the joint.
Description : State the four advantages of MIG welding.
Answer :
Four advantages of MIG welding: 1. High quality welds can be produced much faster. 2. Flux is not used there is no chance for the entrapment of slag in the weld metal resulting in high quality ... of metals and alloys. 5. Least expensive and highly economic. 6. Little or no post welds cleaning.
Description : List two special feature of welding transformer.
Answer :
Special features of welding transformer: i) It is a step down transformer that reduces the source voltage to a voltage desired according to the demands of the welding process. ii) Having large primary turns and less ... V ii) Secondary voltage - 40 to 60 V iii) Secondary current - 200 to 600 A
asked
May 22, 2020
by
anonymous
Description : Welding Defects
Answer :
Welding Defects Welding defects Explanation and causes 1. Cracks Cracks occur when localized stresses exceed the ultimate tensile strength of material. These stresses are developed due to shrinkage ... Too fast a travel, Bad welding technique, Too great a heat build-up.
asked
May 7, 2020
by
anonymous
Description : State the applications of TIG welding.
Answer :
The applications of TIG welding are as follows: 1. Mostly used to weld aluminum and aluminum alloys. 2. It is used to weld stainless steel, carbon base alloy, copper base alloy, nickel base alloy etc. 3. It is used to welding dissimilar metals. 4. It is mostly used in aerospace industries.
asked
May 7, 2020
by
anonymous
Description : Describe with a neat diagram, the process of any one type of electric welding.
Answer :
Methods of electric welding : 1. Resistance welding i Butt welding ii Spot welding iii Seam welding iv Projection welding 2. Arc Welding i Carbon arc welding ii ... as copper, iron etc. The electric arc effectively concentrate heat on the surfaces it is desired to join.
asked
Jul 30, 2019
by
anonymous
Description : Compare between Resistance welding and Arc welding on any six points.
Answer :
Sr.No Parameters Resistance Welding Arc Welding 1 Type of welding Plastic/Pressure/Non-fusion welding Fusion/Non pressure welding 2 Principle of heat developed Heat ... It is suitable for mass production It is suitable for heavy job, maintenance and repair work
asked
Oct 12, 2018
by
anonymous
Answer :
Welding generator will have lap winding.
asked
Mar 20, 2018
by
anonymous
Description : different types of feedback amplifiers
Answer :
Types of feedback amplifiers: 1. Positive feedback amplifiers 2. Negative feedback amplifiers (i)voltage series feedback amplifiers (ii)voltage shunt feedback amplifiers (iii)current series feedback amplifiers (iv)current shunt feedback amplifiers
asked
Sep 3, 2019
by
anonymous
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.
asked
Jul 30, 2019
by
anonymous
Description : What are the different branches of electronics?
asked
Mar 10, 2018
by
anonymous
Description : What are the different power quality issues?
asked
Mar 10, 2018
by
anonymous
Description : What are the different sources of renewable energy?
Answer :
Solar Wind Tidal Geothermal
asked
Dec 18, 2017
by
anonymous
Description : What are the types of error?
Answer :
Human error or gross error, systematic error, applicational error and random error are the types of error.
asked
May 6, 2018
by
anonymous
Description : What are the five types of single phase motors used in the industry?
asked
Mar 15, 2018
by
anonymous
Description : What are the types of electronic communication?
asked
Mar 10, 2018
by
anonymous
Description : What are the types of power generation?
asked
Mar 10, 2018
by
anonymous
Description : What are the types of biasing?
Answer :
Biasing is classified into 2 types.The 2 types are 1) Forward biasing 2) Reverse biasing
asked
Mar 10, 2018
by
anonymous
Description : What are the types of power losses in inductor?
Answer :
Copper losses, Eddy current loss, and hysteresis loss are the types of power losses in inductor.
asked
Mar 8, 2018
by
anonymous
Answer :
MOSFETs are of two types namely 1) enhancement type MOSFET or E-MOSFET 2) depletion type MOSFET or D-MOSFET
asked
Sep 22, 2017
by
anonymous
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.
asked
Sep 8, 2018
by
anonymous
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.
asked
Mar 24, 2018
by
anonymous
Description : How many types of types of relays are there?
asked
Aug 17, 2019
by
anonymous
Answer :
To protect most of the electrical equipment handling low power, the types of relays used are thermocouple, electronic and bimetallic.
asked
Mar 20, 2018
by
anonymous
Answer :
rectifier is a device which converts AC voltage to pulsating DC voltage using one or more diode diode conducts only in unit direction that is forward bias condition practically it does not conduct ... types one is with using two diodes and Centre tap Transformer and another is bridge wave rectifier
asked
Sep 13, 2017
by
anonymous
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