Home » Electrical Engineering Quiz » Electrical Engineering Quiz 7

Electrical Engineering Quiz 7

0%
0

Electrical Engineering Quiz 7

1 / 50

If a shunt motor is started with its field winding open then___________?

2 / 50

If a self excited D.C. generator after being installed, fails to build up on its first trial run, the first thing to do is to______________?

3 / 50

In the cables, the location of fault is usually found out by comparing____________?

4 / 50

In a crystal, an atom vibrates at a frequency determined by_______________?

5 / 50

An IC has _______________size?

6 / 50

The main source of production of biogas is__________________?

7 / 50

A Zener diode is used as a _____________voltage regulating device?

8 / 50

The active materials on the positive and negative plates of a fully charged lead-acid battery are_______?

9 / 50

The doping level in a zener diode is______________ that of a crystal diode?

10 / 50

Pressure cables are generally not used beyond__________?

11 / 50

Charging a sulphated battery at high rate results in___________?

12 / 50

DIAC and TRIAC both are semiconductors devices and conduct in____________________?

13 / 50

In a mercury arc rectifier________ flow from anode to cathode

14 / 50

The thickness of the layer of insulation on the conductor, in cables, depends upon___________?

15 / 50

Thermocouples are mainly used for the measurement of_____________?

16 / 50

Armature reaction of an unsaturated D.C. machine is_____________?

17 / 50

On which of the following effects of electric current a fuse operates ?

18 / 50

D.C. servomotors are used in______________?

19 / 50

Brushes of D.C. machines are made of_________?

20 / 50

For an Op-amp with negative feedback, the output is_________________?

21 / 50

60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 K The no. of parallel path are 6. The efficiency of the switch is______________________?

22 / 50

________________ motor is a constant speed motor?

23 / 50

The electrostatic stress in underground cables is_________?

24 / 50

For frequencies above the resonant frequency, a parallel LC circuit behaves as a ____________ load?

25 / 50

In induction heating ___________ is abnormally high?

26 / 50

Air-core coils are practically free from______________?

27 / 50

A negative clipper removes the ______________half-cycles of the input voltage?

28 / 50

To measure and voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken_______________?

29 / 50

is that property of a capacitor which delays any change of voltage across it ?

30 / 50

Burden of a protective relay is the power______________?

31 / 50

For power output higher than 15 kW, the suitable rectifier is________________?

32 / 50

In a synchronous motor, the magnitude of stator back e.m.f. Eb depends on___________?

33 / 50

Aluminium when adopted as a conductor material in __________ transformers, decreases the overall cost of the transformer?

34 / 50

The power factor at resonance in R-L- C parallel circuit is________?

35 / 50

In a power plant if the maximum demand on the plant is equal to the plant capacity, then

36 / 50

The heat dissipating capability of transformers of ratings higher than 30 kVA in increased by providing which of the following ?

37 / 50

An ohmmeter is a____________?

38 / 50

Practical way of obtaining static voltage equalization in series connected SCRs is by the use of____________?

39 / 50

Resistance of a material always decreases if___________?

40 / 50

The positive clipper is that which removes the ____________half-cycles of the input voltage?

41 / 50

If R2 is the resistance of secondary winding of the transformer and K is the transformation ratio then the equivalent secondary resistance referred to primary will be___________?

42 / 50

Varistors are______________?

43 / 50

Two generators are running in parallel. One of the generators may run as motor for which of the following reasons ?

44 / 50

When two D.C. series motors are connected in parallel, the resultant speed is____________?

45 / 50

A shaded pole motor does not possess___________?

46 / 50

The resistance of armature winding depends on

47 / 50

Non-linear resistors______________?

48 / 50

Which of the following generating station has minimum running cost ?

49 / 50

For heating element high resistivity material is chosen to______________?

50 / 50

Transistor biasing is generally provided by a_______________?

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 8
Electrical Engineering Quiz 9
Electrical Engineering Quiz 10
Electrical Engineering Quiz 11

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