Home » Electrical Engineering Quiz » Electrical Engineering Quiz 71

Electrical Engineering Quiz 71

0%
0

Electrical Engineering Quiz 71

1 / 50

With which of the following, a circuit breaker must be equipped for remote operation ?

2 / 50

A n-channel D-MOSFET with a positive VGS is operating in _______________?

3 / 50

The capacity of a lead-acid cell depends on

4 / 50

Which of the following loss in a D.C. generator is dissipated in the form of heat?

5 / 50

Substances whose specific resistance abruptly decreases at very low temperature are called___________?

6 / 50

Directional relays are based on flow of____________?

7 / 50

In direct cooled system using hydrogen both stator and rotor conductors are made____________?

8 / 50

Electric intensity being a vector quantity always points_______________?

9 / 50

A differential amplifier has a differential gain of 20,000. CMMR=80d The common mode gain is given by_______________?

10 / 50

A region around a stationary electric charge has__________?

11 / 50

Which one of the following does not have negative temperature co-efficient ____________?

12 / 50

The armature current of the synchronous motor has higher values for_____________?

13 / 50

The viscous friction co-efficient, in force-voltage analogy, is analogous to______________?

14 / 50

Switching frequency of SITH is____________?

15 / 50

If any two phases for an induction motor are interchanged_______?

16 / 50

If a transformer is switched on to a voltage more than the rated voltage______________?

17 / 50

Over charging______________?

18 / 50

A 3-phase induction motor stator delta connected, is carrying full load and one of its fuses blows out. Then the motor_______________?

19 / 50

The single phasing relays are used for the protection of_____________?

20 / 50

A potentiometer may be used for_________________?

21 / 50

The voltage gain of a tuned amplifier is____________at resonant frequency

22 / 50

A current density of __________ is ilsed for large power transformers with forced circulation of oil or with water cooling coils?

23 / 50

Which of the following has lower specific gravity V__________?

24 / 50

The magnetism left in the iron after exciting field has been removed is known as____________?

25 / 50

A crystal diode is used as______________?

26 / 50

Overhead telephone wires are made of_____________?

27 / 50

Which of the following statements is correct ?

28 / 50

The ac output voltage waveform of VSI and AC output current waveform of CSI respectively is composed of___________?

29 / 50

If I2 be the armature current, then speed of a D.C. shunt motor is_______________?

30 / 50

An SCR is made up of silicon because_____________?

31 / 50

Iron losses in a D.C. machine are independent of variations in______________?

32 / 50

During rheostat braking of D.C. series motors_____________?

33 / 50

For which of the applications a reluctance motor is preferred ?

34 / 50

When an additional resistor is connected across an existing parallel circuit, the total resistance____________?

35 / 50

Conduit pipes are normally used to protect _______ cables

36 / 50

Which of the following statements regarding single-phase induction motors correct?

37 / 50

A parallel AC circuit in resonance will__________?

38 / 50

An advantage of RC coupling scheme is the___________?

39 / 50

In a lead-acid cell, if the specific gravity of sulphuric acid is 1.8, it will require following ratio of acid to water to get mixture of specific gravity of 1.3

40 / 50

In D.C. machines, the ________ in field mmf results in increase in size and cost of machines?

41 / 50

The time of closing the cycle, in modern circuit breakers is_____________?

42 / 50

While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit ?

43 / 50

To meet high current demand we use SCRs in______________?

44 / 50

A keeper is used to_____________?

45 / 50

A.C cannot be used for_______________?

46 / 50

In a regenerative surface condenser_____________?

47 / 50

An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be_____?

48 / 50

The unit of magnetic flux is______________?

49 / 50

The rate of rise of current through an inductive coil is maximum_____________?

50 / 50

Which of the following motors is used in mixies ?

Provide Your Information

Your score is

The average score is 0%

0%

Share on facebook
Facebook
Share on twitter
Twitter
Share on whatsapp
WhatsApp
Electrical Engineering Quiz 1
Electrical Engineering Quiz 2
Electrical Engineering Quiz 3
Electrical Engineering Quiz 4
Electrical Engineering Quiz 5
Electrical Engineering Quiz 6
Electrical Engineering Quiz 7
Electrical Engineering Quiz 8
Electrical Engineering Quiz 9
Electrical Engineering Quiz 10

Help Concept 360 Please. We need 500 Youtube Subscriber. Please Subscribe our Youtube Channel. Click below link to subscribe Please

آپ سے گزارش ہے کہ ہمارے یوٹیوب چینل کوسبسکرائب کر کے ہماری مدد کریں جیسا کہ یہ ویب سائٹ آپکی مدد کر رہی ہے۔ شکریہ