Last Answer : The repulsion-start induction-run motor is used because of high starting torque.
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89 views
1 answer
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Mar 20, 2018
by
anonymous
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Last Answer : In a two value capacitor motor, the capacitor used for running purposes is paper spaced oil filled type.
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162 views
1 answer
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Mar 20, 2018
by
anonymous
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Last Answer : The motor used on small lathes is usually single-phase capacitor run motor.
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146 views
1 answer
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Mar 20, 2018
by
anonymous

Last Answer : A shaded pole motor can be used for toys, hair dryers, circulators etc.
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103 views
1 answer
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Mar 20, 2018
by
anonymous

Last Answer : A centrifugal switch is used to disconnect starting winding when motor has picked up about 50 to 70 per cent of rated speed.
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875 views
1 answer
asked
Mar 20, 2018
by
anonymous
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How much money should I ask for our used dryer?
Last Answer : I googled and it looked like people ask $400 to $600 for the washer dryer set, but I didn't click and see how old they are. So, I guess you could ask $200-$300 maybe? I really have no knowledge of ... eBay and Craig's list, and see if you can find some competition to get a rough idea for your area.
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1 view
1 answer
asked
Mar 2
by
anonymous

Bull riding vest?
Last Answer : answer:They make bull riding vests? Wow, I learn so much here!!! Have you tried eBay?
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1 view
1 answer
asked
Feb 14
by
anonymous

Used Bicycles
Last Answer : Most people are apprehensive and reluctant to buy hand-me-downs, especially when it comes to items with which their lives have to depend on - a prime example of which is a bicycle. Compared to other ... also give you an estimate of the repair costs. Most of the time, shops do inspections for free.
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14 views
1 answer

Where are portable screw compressors used?
Last Answer : Where are portable screw compressors used? The use of a portable screw air compressor in road, construction, mining and installation works indicates that its area of practical use is ... with these important, but fairly simple requirements will significantly lengthen the life of your compressor.
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6 views
1 answer
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Mar 29, 2021
by
anonymous

How is silicone cookware used?
Last Answer : How is silicone cookware used? Every year silicone dishes are more and more popular among housewives, but the cost of such dishes is not high. Of course, not all dishes are made of ... counterfeits. Remember, real silicone cookware has no rubber smell and cannot cost less than a hundred rubles.
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5 views
1 answer
asked
Mar 28, 2021
by
anonymous

Draw a neat sketch and explain the accessory used to support long work.
Last Answer : Accessory to support long work: A steady rest is a tool for a lathe, enabling a machinist to make deep cuts in long, slender stock, bore out thin pieces of metal, and generally keeps thin stuff straight. ... tool that follows the cutter, a steady rest is firmly attached to the bed of a lathe.
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90 views
1 answer
asked
Jan 2, 2021
by
anonymous

List standard voltage level used in India.
Last Answer : Standard voltage level used in India: * Generation Voltage : 3.3KV, 6.6KV,11KV and 17.5 KV,21KV (Now a days generation voltage is in the range of 11KV- 33KV) * Primary Transmission voltage :- 220 ... voltages in India are 765 KV (750KV), 400KV, 220KV, 132KV, 110KV, 66KV, 33KV, 22KV, 11KV.
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256 views
1 answer
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May 22, 2020
by
anonymous

State the insulating materials used in motor. Write temperature class and withstand temperature ranges for them.
Last Answer : The insulating materials used in motor are as belows: 1. Cotton, 2. Silk, or paper, 3. Press board, 4. Resins 5. PVC 6. Cellulose-Fiber, 7. Enameled coating, etc ... Over 180° Mica, porcelain, ceramics, glass quartz, asbestos, treated glass fiber or treated asbestos. etc.
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173 views
1 answer
asked
May 7, 2020
by
anonymous

Select insulating materials for following parts : (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.
Last Answer : Parts Insulating Materials Insulation between heating element and base plate of electric iron. Mica Insulation used over copper or aluminium conductor used for making coils. ... Transformer bushings Porcelain Insulation between transmission line and pole. Porcelain
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199 views
1 answer
asked
May 7, 2020
by
anonymous

State the material used for making (1) Magnetic Core (2) Fuse element
Last Answer : The material used for making of: (1) Magnetic Core : Iron, cobalt, Nickel, CRGO, HRGO , silicon steel (2) Fuse Element: Tin- lead wire, Tinned copper wire
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209 views
1 answer
asked
May 7, 2020
by
anonymous

State different types of holders used in wiring installation.
Last Answer : Following types of holders used in wiring installation: 1. Pendent Holder 2. Batten Holder 3. Angle holder 4. Screwed holder
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90 views
1 answer
asked
May 7, 2020
by
anonymous

List any four materials used for pattern making
Last Answer : The various types of materials used are as follows: 1. Wood 2. Metal. 3. Plastic. 4. Plaster. 5. Wax.
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94 views
1 answer
asked
May 7, 2020
by
anonymous
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List any four accessories used on lathe.
Last Answer : The various accessories used in lathe are as follows. 1) Lathe centers 2) Carriers or driving dog 3) catch plates 4) Chucks 5) Face plates 6) Angle plates 7) Mandrels 8) Rests
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85 views
1 answer
asked
May 7, 2020
by
anonymous

State properties of conductor material used for overhead conductor.
Last Answer : Following are the properties of conductor material:- 1. High conductivity :- Material should have high conductivity 2. High mechanical strength:- Material should have sufficiently high mechanical strength ... available & less costly. 9. Scrap Value: - Material should have high scrap value.
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131 views
1 answer
asked
May 5, 2020
by
anonymous
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Enlist the luminaries used in factory lighting and lux level required in various areas.
Last Answer : Area Luminaries Lux level Office building Fluorescent tube, LED, CFL 500 lux Testing centre Fluorescent tube, LED, CFL 400 to 500 lux Workshop/work place Halogen ... , LED, CFL, Projector lamp, filament lamp, Halogen Lamp, Metal Halide lamp etc Above 600 Lux
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125 views
1 answer
asked
May 3, 2020
by
anonymous
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State the different types of outdoor flood lighting and where are they used.
Last 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.
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168 views
1 answer
asked
May 3, 2020
by
anonymous

State functions of ; i) Cable box ii) Guard wire iii) Shackle insulator iv) Stay wire used in service connection
Last Answer : i) Function of Cable box: To hold and inspect incoming and outgoing terminals ii) Function of Guard wire : A grounded conductor placed beneath an overhead transmission line in order to ground ... in service connection: To give mechanical Support to pole, line and prevent leakage current if any
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147 views
1 answer
asked
Sep 20, 2018
by
anonymous

State starters used for i) 3-Ph squirrel cage induction motor (3HP) ii) D.C. motor
Last Answer : Name the starters used for following motors : i) 3 H.P. 3-Ph squirrel cage I.M: i) DOL starter OR ii) Star-Delta Starter OR ii) Auto transformer starter OR iii) Soft start starter. ii) D.C Shunt Motor : 1) Armature resistance starter (Three Point Starter) OR 2) Four Point Starter
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154 views
1 answer
asked
Sep 18, 2018
by
anonymous

Give the classification of the errors used in measuring instrument & state the reason for their occurrence.
Last Answer : Types of errors in measuring instruments: A) Gross error: These are due to mistakes on the part of person using the instrument. B) Systematic Error: i) Instrumental Error: These ... multiplying factor. C) Random error: These persist even after gross and systematic errors are removed.
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123 views
1 answer
asked
Sep 6, 2018
by
anonymous

Name the material used for :- (i) Moving coil (ii) Permanent magnet in PMMC instrument.
Last Answer : (i) Material used for Moving coil: Copper, Aluminum( some times) (ii) Permanent magnets are made of special alloys such as : Aluminum-Nickel-Cobalt (Alnicos) Strontium-Iron Neodymium-Iron-Boron Samarium-Cobalt.
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213 views
1 answer
asked
Sep 6, 2018
by
anonymous

State the use of shunt and series resistance used in extension of meter.
Last Answer : Use of shunt and series resistance: i) Use of shunt: To extend the range of Ammeter. ii) Use of series resistance: To extend the range of Voltmeter.
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88 views
1 answer
asked
Sep 6, 2018
by
anonymous

State the material used for moving coil and former for PMMC instruments.
Last Answer : Material Used for Moving Coil and Former for PMMC Instruments: Material used for moving coil: Copper Material used for Former: Aluminium
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169 views
1 answer
asked
Sep 5, 2018
by
anonymous
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Why common emitter configuration is commonly used?
Last Answer : Common emitter configuration is commonly used for amplifications because 1. The common emitter configuration (CE) provides maximum voltage and current gain and hence provides maximum power gain. The ... automatic impedance matching maximum power transfer will take place from one stage to other.
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172 views
1 answer
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Sep 4, 2018
by
anonymous

Which of the following device is used for coupling microwave energy? A) Resonator B) Waveguide C) Loop D) Antenna
Last Answer : A
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1.2k views
2 answers
asked
Jun 18, 2018
by
anonymous

Which of the following thyristors can be used for high frequency of operation? A) TRIAC B) DIAC C) SCR D) GTO
Last Answer : Which of the following thyristors can be used for high frequency of operation? A) TRIAC B) DIAC C) SCR D) GTO
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109 views
1 answer
asked
Jun 18, 2018
by
anonymous

Permanent magnet moving coil instruments are used for
Last Answer : PMME are mostly used for measuring voltage and current.
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2.6k views
2 answers
asked
May 8, 2018
by
anonymous

Light triggering is mainly used in
Last Answer : Light triggering is mainly used in High voltage direct current transmission
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441 views
1 answer
asked
May 8, 2018
by
anonymous

Shunt compensation in an EHV line is used to (A) Improve stability. (B) Improve the voltage profile. (C) Reduce the fault level. (D) Substitute for synchronous phase modifier.
Last Answer : Shunt compensation in an EHV line is used to Improve the voltage profile.
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5.3k views
1 answer
asked
May 8, 2018
by
anonymous

Taskbar is used for (A) Navigation program (B) Switching between program (C) Start a program (D) All of above
Last Answer : Taskbar is used for (A) Navigation program (B) Switching between program (C) Start a program (D) All of above
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65 views
1 answer
asked
May 8, 2018
by
anonymous

Wave trap is used to trap waves of: (A) Power frequencies (B) Higher frequencies entering generator or transformer units (C) All of the above (D) None of the above
Last Answer : Wave trap is used to trap waves of: Higher frequencies entering generator or transformer units
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128 views
1 answer
asked
May 8, 2018
by
anonymous

A relay used for protection of motors against overload is : (A) Impedance relay (B) Electromagnetic attraction type (C) Thermal relay (D) Buchholz's relay
Last Answer : D
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547 views
2 answers
asked
May 8, 2018
by
anonymous

Earthing switch is used for? (A) Measuring of safety voltage (B) Protection of equipment from ground faults (C) Discharging residual energies (D) All of the above
Last Answer : Earthing switch is used for? (A) Measuring of safety voltage (B) Protection of equipment from ground faults (C) Discharging residual energies (D) All of the above
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113 views
1 answer
asked
May 8, 2018
by
anonymous

A _________ is used to measure the stator % winding temperature of the generator. (A) Thermocouple (B) Pyrometer (C) Resistance thermometer (D) Thermometer
Last Answer : A Resistance thermometer is used to measure the stator % winding temperature of the generator.
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3.4k views
1 answer
asked
May 8, 2018
by
anonymous

As per Electricity Act, ____________means any line which is used for carrying electricity for any purpose. (A) Electric line (B) Transmission line (C) All of the above (D) None of the above
Last Answer : As per Electricity Act, Electric line means any line which is used for carrying electricity for any purpose.
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80 views
1 answer
asked
May 8, 2018
by
anonymous

Which circuit is used as amplitude comparator?
Last Answer : Schmitt trigger circuit is used as amplitude comparator.
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370 views
1 answer
asked
May 3, 2018
by
anonymous
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Auto reclosing is used in case of
Last Answer : Auto reclosing is used in case of air blast C.B.
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95 views
1 answer
asked
May 3, 2018
by
anonymous

The self GMD method is used to evaluate
Last Answer : The self GMD method is used to evaluate inductance and capacitance
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518 views
1 answer
asked
May 3, 2018
by
anonymous

The IC chips, used in computers, is made of (1) Iron oxide (2) Silicon (3) Graphite (4) Silica
Last Answer : 2 These are made on silicon wafers which is aa semi conductor. ...
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120 views
2 answers
asked
May 1, 2018
by
anonymous
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The motor used for electric traction is (1) D.C. shunt motor (3) D.C. series motor (2) D.C. compound motor (4) Synchronous motor
Last Answer : The motor used for electric traction is D.C. series motor
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1.0k views
1 answer
asked
May 1, 2018
by
anonymous

A negative sequence relay is used for protection of (1) Generator (3) Motor (2) Transformer (4) Long Transmission lines
Last Answer : A negative sequence relay is used for protection of Generator
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627 views
1 answer
asked
May 1, 2018
by
anonymous

Spot welding is used for (1) Thin metal (3) Castings only (2) Rough and irregular surface (4) Thick sections
Last Answer : Spot welding is used for Thin metal
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97 views
1 answer
asked
Apr 30, 2018
by
anonymous

The material used in liquid fuses is (1) SF6 (3) carbon tetra chloride (2) distilled water (4) transformer oil
Last Answer : The material used in liquid fuses is carbon tetra chloride
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392 views
1 answer
asked
Apr 30, 2018
by
anonymous

IDMT relays are used to protect the transformer against : (A) Internal short -circuits (B) Open circuits (C) External short circuits (D) Oil leakage
Last Answer : IDMT relays are used to protect the transformer against : External short circuits
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3.1k views
1 answer
asked
Apr 30, 2018
by
anonymous

Which of the following gates can be used to realize all possible combinational logic functions? (i) OR gate (ii) NOR gate (iii) Exclusive OR gate (iv) NAND gate (v) AND gate (A) (iii), (iv) and (v) (B) (i), (iii) and (iv) (C) (ii) and (iv) (D) (i) and (v)
Last Answer : Which of the following gates can be used to realize all possible combinational logic functions? (i) OR gate (ii) NOR gate (iii) Exclusive OR gate (iv) NAND gate (v) AND gate (A) (iii), (iv) and (v) (B) (i), (iii) and (iv) (C) (ii) and (iv) (D) (i) and (v)
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369 views
1 answer
asked
Apr 30, 2018
by
anonymous

A differentiator is not usually used in control system, because it : - (A) reduces damping (B) increases error (C) reduces gain margin (D) increases input noise
Last Answer : A differentiator is not usually used in control system, because it : - increases input noise
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112 views
1 answer
asked
Apr 30, 2018
by
anonymous
