Most viewed questions - Questions & Answers

asked Jul 14, 2019 by anonymous

5(4+1) ÷ 5(5) = ?

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9,615 views 5 answers

asked Apr 5, 2018 by anonymous

Three resistors of 4 Ω, 6 Ω and 9 Ω are connected in parallel. Which resistor consumes the maximum power?

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8,568 views 3 answers

asked Jun 29, 2019 by anonymous

Describe the difference between an open circuit and a short circuit.

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7,311 views 3 answers

asked Jul 16, 2019 by anonymous

Can you answer this question? X + X + X = 30 X + Y + Y = 20 Y + Z + Z = 17 X + Y + Z = ?

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7,250 views 3 answers

asked Oct 12, 2018 by anonymous

Compare individual and group drive on any four points.

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7,186 views 1 answer

asked Sep 8, 2018 by anonymous

Draw block diagram of instrumentation system. State function.

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7,125 views 4 answers

asked Dec 9, 2017 by anonymous

Which device use to convert DC to AC?

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6,883 views 18 answers

asked Oct 13, 2018 by anonymous

Explain with neat diagram construction and working of Ajax Wyatt vertical core induction furnace.

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6,131 views 1 answer

asked Apr 9, 2018 by anonymous

The size of a conductor used in power cables depends on the: ...

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5,691 views 1 answer

asked May 13, 2018 by anonymous

The 8086 fetches instruction one after another from _____ of memory.

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5,579 views 2 answers

asked May 14, 2018 by anonymous

A 120 Ah capacity battery can deliver a current of 8A for a period of

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5,339 views 1 answer

asked May 17, 2018 by anonymous

Poynting vector wattmeter is based on

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5,273 views 1 answer

asked May 25, 2018 by anonymous

A 6-pole, 50Hz, 3-φ induction motor is running at 950 r.p.m. and has Cu loss of 5kW. The rotor input is

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5,187 views 4 answers

asked Apr 11, 2018 by anonymous

Moving iron instruments can be used for measuring

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5,121 views 19 answers

asked May 13, 2018 by anonymous

The severity of line to ground and three phase faults at the terminals of an unloaded

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5,085 views 1 answer

asked Apr 9, 2018 by anonymous

The most efficient method of increasing the speed of a 3.75KW d.c. shunt motor would be ...

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5,000 views 1 answer

asked Nov 30, 2017 by anonymous

what is lightning arrester?

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4,984 views 6 answers

asked Mar 10, 2018 by anonymous

Why high voltage is used in power transmission?

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4,978 views 2 answers

asked Jul 24, 2019 by anonymous

With a neat diagram explain doubly fed induction generator (DFIG).

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4,852 views 1 answer

asked Jun 29, 2019 by anonymous

Describe the difference between direct and alternating current.

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4,842 views 4 answers

asked Jul 12, 2019 by anonymous

Why INDIA has 50hz and USA has 60hz frequency cycle of current?

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4,841 views 1 answer

asked May 2, 2018 by anonymous

What is the difference between relay and contactor?

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4,833 views 1 answer

asked Jul 20, 2019 by anonymous

Write two application of the following motor (i) AC servo motor (ii) Stepper motor

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4,817 views 1 answer

asked Jul 21, 2019 by anonymous

Explain differential protection of busbar.

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4,811 views 1 answer

asked Jul 21, 2019 by anonymous

List advantages and disadvantages of CNC based drilling machine.

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4,809 views 1 answer

asked Jun 29, 2019 by anonymous

Is the power line voltage available in our homes a dc or an ac voltage?

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4,801 views 1 answer

asked Jul 5, 2019 by anonymous

Describe the construction of any one type of capacitor.

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4,800 views 1 answer

asked Jun 17, 2018 by anonymous

What is the 2's complement of 01101?

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4,799 views 1 answer

asked Jul 21, 2019 by anonymous

Describe Twin-tube process with diagram.

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4,790 views 1 answer

asked Jul 14, 2019 by anonymous

If we tossed simultaneously two coins. Find the probability of exactly one tail.

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4,777 views 1 answer

asked Jul 21, 2019 by anonymous

Write down limitation of differential protection of transformer.

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4,773 views 1 answer

asked Jul 10, 2019 by anonymous

Draw a circuit diagram of R.C. series circuit. Draw impedance triangle and power triangle for same circuit.

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4,761 views 1 answer

asked Jun 1, 2019 by anonymous

What is the function of an electrical filter ?

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4,760 views 1 answer

asked Jul 24, 2019 by anonymous

State reason BJT is called as bipolar junction transistor.

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4,735 views 1 answer

asked Jul 21, 2019 by anonymous

Draw and explain electronic PID controller.

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4,720 views 1 answer

asked May 13, 2018 by anonymous

Which of the following is not a basic element of a transformer ?

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4,555 views 2 answers

asked Sep 5, 2018 by anonymous

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

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4,549 views 1 answer

asked Sep 5, 2018 by anonymous

Write difference between absolute & secondary instrument.

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4,259 views 1 answer

asked Dec 16, 2017 by anonymous

What is the full form of IC?

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4,143 views 8 answers

asked Apr 29, 2018 by anonymous

What is the resistance of a 160 m wire with a uniform diameter of 0.28 mm, if the specific resistance is

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3,963 views 1 answer

asked Mar 10, 2018 by anonymous

What is the speed of an electromagnetic wave in water?

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3,922 views 0 answers

asked Oct 13, 2018 by anonymous

Differentiate between core type and core less induction furnace.

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3,909 views 1 answer

asked Apr 10, 2018 by anonymous

The method suitable for heating of a conducting medium is

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3,891 views 1 answer

asked Sep 8, 2018 by anonymous

Draw the block diagram of basic wind energy conversion system and write function of each block.

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3,690 views 1 answer

asked Sep 6, 2018 by anonymous

Draw the diagram and explain the working of ferrodynamic type frequency meter.

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3,647 views 1 answer

asked Apr 10, 2018 by anonymous

A combination of various colors used for text and other presentation elements is called

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3,602 views 0 answers

asked May 8, 2018 by anonymous

Shunt compensation in an EHV line is used to

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3,555 views 1 answer

asked Apr 30, 2018 by anonymous

The diagonal elements of a nodal admittance matrix are strengthened by adding :

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3,545 views 1 answer

asked May 8, 2018 by anonymous

An Auto-transformer (which has only one winding) may be used as a ______ .

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3,494 views 2 answers

asked Mar 31, 2018 by anonymous

Two 1 kilo ohm, 1/2 W resistors are connected in series. Their combined resistance value and wattage will be

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3,428 views 1 answer