Can you help by answering this question?

The thickness of stator laminations is of the order of

15 views
in Utilization of electrical energy by
The commonly used gases in tungsten arc welding are

1.Hydrogen and oxygen

2.Hydrogen and organ

3.Hydrogen and helium

4.Helium and argon

1 Answer

0 votes
by

The commonly used gases in tungsten arc welding are Helium and argon

Related questions

0 answers 24 views

Carbon arc lamps are commonly used in  ( 1) photography (2) cinema projectors (3) domestic lighting (4) street lighting

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
1 answer 13 views

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

asked Apr 30, 2018 in Utilization of electrical energy by Shimroz123
1 answer 10 views

The supply for arc welding is : 

asked Apr 29, 2018 in Utilization of electrical energy by Shimroz123
1 answer 27 views

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

asked Apr 30, 2018 in Utilization of electrical energy by Shimroz123
0 answers 9 views

 Which of the following generators is used for DC arc welding application ? (A) Series generator (B) Shunt generator (C) Differential compound generator (D) Over -compound generator

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
1 answer 23 views

The electrode rod used for welding uses a coating on it 

asked Apr 29, 2018 in Utilization of electrical energy by Shimroz123
0 answers 21 views

The insulating fluids that are commonly used in circuit breakers is/are   (a) SF6 (b) Air at atmospheric pressure (c) Compressed air (d) All of the above 

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
0 answers 19 views

What are the different types of welding?

asked Mar 11, 2018 in Utilization of electrical energy by Quiz
0 answers 24 views

What are the four basic welding positions?

asked Mar 11, 2018 in Utilization of electrical energy by Quiz
1 answer 14 views

The arc voltage in a circuit breaker is :

asked Apr 29, 2018 in Utilization of electrical energy by Shimroz123
1 answer 24 views

Spot welding is used for (1) Thin metal (3) Castings only (2) Rough and irregular surface (4) Thick sections

asked Apr 30, 2018 in Utilization of electrical energy by Shimroz123
0 answers 14 views

Commonly used auxiliary storage devices used in a computer system are  (1) Magnetic tape, Magnetic drum and magnetic disk (2) Magnetic core, magnetic tape and magnetic drum (3) Magnetic disk, semiconductor memory and magnetic drum (4) Magnetic tape, monolithic storage and magnetic disk 

asked Apr 10, 2018 in Computer Engineering by Shimroz123
0 answers 60 views

Most commonly used filter in SSB generation are  (a) mechanical filters (b) RC filters (c) LC filters (d) low pass filters

asked Apr 9, 2018 in Electronics communication by Shimroz123
1 answer 17 views

In which of the following welding methods, the molten metal is poured for joining the metals ?   (a) Gas welding (b) Thermit welding (c) TIG welding (d) Arc welding 

asked May 13, 2018 in Utilization of electrical energy by Shimroz123
1 answer 25 views

The frequencies and voltage used in Dielectric heating are (A) 10 – 30 MHz, upto 25 kV (B) 50 – 60 Hz, upto 25 kV (C) 10 – 30 MHz, upto 100 V (D) 50 – 60 Hz, 110 V – 230 V

asked Apr 28, 2018 in Utilization of electrical energy by Shimroz123
0 answers 9 views

What is undercut defect in welding?

asked Mar 11, 2018 in Utilization of electrical energy by Quiz
1 answer 14 views

Compare between Resistance welding and Arc welding on any six points.

asked Oct 12, 2018 in Industry Electrical Systems-II by Shimroz123
1 answer 8 views

Arc welding uses following electric supply (A) ac (B) dc (C) both ac and dc (D) spiral waveform 

asked Apr 23, 2018 in Electrical Engineering by Shimroz123
0 answers 7 views

Electric arc welding process produces temperature upto   (a) 1000 °C (b) 1500 °C (c) 3500 °C (d) 5550 °C 

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
0 answers 17 views

A single-phase AC arc welding transformer supplies approximately   (a) 100 volts at 0.35 power factor (b) 60 volts at 0.35 power factor (c) 220 volts at 0.8 power factor (d) 100 volts at 0.6 power factor

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
1 answer 23 views

The most commonly used moderator material in nuclear plant is (1) Carbon (2) Water (3) Co2 (4) Liquid metal 

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
1 answer 28 views

Which of the following is used in a circuit breaker as the medium in which the arc forms? A) Insulating gas B) Insulating oil C) Vacuum D) All the above

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 126 views

Power-factor of industrial arc and induction furnace is:

asked May 22, 2018 in Utilization of electrical energy by Shimroz123
1 answer 16 views

Arc resistance  (1) increases with increase in arc current (2) decrease with increase in arc current (3) is independent of arc current (4) is independent of arc length

asked May 1, 2018 in Utilization of electrical energy by Shimroz123
1 answer 11 views

Electric welding equipment works best at  A) Low voltage and low current B) Low Voltage and high current C) High voltage and low current D) High voltage and high current

asked May 20, 2018 in Utilization of electrical energy by Shimroz123
1 answer 13 views

In general AC distribution systems, arc interruption in vacuum circuit breakers are designed to function in a time period of (a) One cycle (b) Two to three cycles (c) Within ten cycles (d) None of the above

asked Apr 25, 2018 in Electrical Engineering by Shimroz123
0 answers 24 views

In spot welding, electric supply used is   (a) low voltage high current (b) high voltage low current (c) low voltage low current (d) high voltage high current 

asked Apr 10, 2018 in Electrical Engineering by Shimroz123
1 answer 15 views

The range of frequencies used in induction heating is :  (A) 0-25 Hz  (C) less than 200 Hz  (B) 50 to 100 Hz  (D) more than 1 kHz

asked Apr 29, 2018 in Utilization of electrical energy by Shimroz123
1 answer 27 views

The bridge method commonly used for finding mutual inductance is (A) Heaviside Campbell bridge (B) Schering bridge (C) De Sauty bridge (D) Wien bridge

asked Apr 26, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 172 views

The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be

asked Mar 31, 2018 in Electrical Engineering by Shimroz123
1 answer 25 views

In practice generative breaking is used when (a) quick motor reversal is desired. (b) load has overhauling characteristic (c) controlling elevators, rolling mills etc. (d) none of these 

asked May 25, 2018 in Utilization of electrical energy by Shimroz123
1 answer 8 views

In an electric press, mica is used   (a) As an insulator (b) As a device for power factor improvement (c) For dielectric heating (d) For induction heating 

asked May 13, 2018 in Utilization of electrical energy by Shimroz123
1 answer 25 views

Which type of motor is used in lift?

asked Mar 11, 2018 in Utilization of electrical energy by Quiz
0 answers 13 views

Which motor is used in traction system?

asked Mar 11, 2018 in Utilization of electrical energy by Quiz
1 answer 110 views

Why common emitter configuration is commonly used?

asked Sep 4, 2018 by Shimroz123
0 answers 19 views

Which one is not a commonly used coolant for fast breeder reactor ? (a) Water (b) Liquid metal (c) Helium (d) Carbon dioxide 

asked May 26, 2018 in Electric Power Generation by Shimroz123
1 answer 21 views

A negative sequence relay is commonly used to protect  (A) an alternator (B) an transformer (C) a transmission line (D) a bus bar

asked May 25, 2018 in Power system by Shimroz123
1 answer 9 views

Which valve is most commonly used for throttling service? (A) glove valve (B) needle valve (C) ball valve

asked Apr 23, 2018 in Electronics Engineering by Shimroz123
1 answer 9 views

 A 3 phase 4 wire system is commonly used for: -  a) Primary distribution b) Secondary distribution c) Primary transmission d) Secondary transmission

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
1 answer 15 views

______ is most commonly used for making magnetic recording tape.

asked Mar 28, 2018 in Electrical engineering materials by Shimroz123

Welcome to electronics2electrical.com here you can ask questions related to electrical, electronics, mechanical, telecommunication, instrumentation, computer, mathematics, physics etc.
Be respectful to all the members. Do not copy and paste the answers from other websites which have copyright content. While asking question give full details about it.

Categories

Most popular tags

power motor dc circuit transformer voltage current used system phase resistance factor synchronous load ac energy induction electric generator series frequency between speed capacitor use electrical meter line difference control type mosfet transmission magnetic plant high single instrument bjt unit source advantages function diode and machine winding field define torque parallel amplifier supply shunt thyristor motors electricity arduino maximum time relay armature problem value on transformers types coil diagram state flow ratio material three formula starting direction theorem method emf operating efficiency digital wave microprocessor test instruments inductance loss measure operation connected signal low applications effect single-phase network temperature working constant losses different law wattmeter measuring compare controlled breaker drive device logic rc full switch flux wire resistivity disadvantages free of materials machines angle force converter conductor transistor gain open protection scr core measurement number bridge principle generators reactance circuits negative the friction iron loop short pole battery conservation steam resistors hysteresis computer using analog lines secondary station gate a rectifier inverter linear induced relays nuclear capacitance basic characteristics design direct work rotor electronics ammeter forces diesel damping rlc connection factors capacitors minimum insulation moving regulation running self systems air fault range main stability quality starter igbt eddy alternator ideal rl average 3-phase plants arc thermal error fuzzy biasing dielectric pressure balanced superposition errors copper rotation feedback impedance measured electronic electrons charge inductive transfer explain start off back curve over solar is three-phase tariff locomotive peak bias zener engineering commutator surge conductors rating universal potentiometer density permanent mechanical transducer capacity memory adc excitation two fuse pure harmonics application semiconductor inductor internal pmmc reaction welding resonance traction permeability breakers rms designed electromagnetic si generation brushes switching capacitive shaded rate 1 distribution resistor methods delta star oscillator reluctance simplification algebra 8085 boolean weston dynamometer insulating strength installation definition fuel heating earth units

8,450 questions

7,047 answers

132 comments

3,085 users

...