Electrical Engineering Quiz

175

Welcome

to

Shaheen Leader Academy

We expect 100% result.

Click on Start Button.

Your time is Ended. Thanks

Electrical Engineering

Electrical Engineering Quiz

1 / 25

Two loads X and Y, are connected in parallel to a 115 V supply. Load X takes 35 watts and the total current is 2.6 A. The resistance of the X is:-

379 ohm

291 ohm

233 ohm

2 / 25

Common impurity in battery electrolyte is:-

Sodium chloride

Lead sulphate

Iron

3 / 25

A dynamometer wattermeter can be used for :-

Both dc and ac

4 / 25

Mercury as a electric contact material is:-

a metal

a metal liquid

a liquid

5 / 25

Voltage dependent resistors are used;-

as heating element

as current stabilizers

to suppress surges

6 / 25

The resistivity of a metal is a function of _____________:-

Temperature

Pressure

Volume

7 / 25

In which application DC series motor is invariable tried:-

Starter for a car

Drive for a water pump

Fan motor

8 / 25

For a voltage source when internal resistance s-load resistance , R1 ,Which one is maximum:-

Current

Voltage across R1

Power in R1

9 / 25

During charging the electrolyte of a lead acid battery becomes:-

Strong

Weaker

Diluted with water

10 / 25

For OH transmission line, the self GMD method is used to find:-

Both a, b

Induction

Capacitance

11 / 25

In a regenerative surface condenser there are ___________________ pumps to remove air and condensate:-

Four

Six

Two

12 / 25

In the half wave rectifier charging current can be limited by using an additional resistance in series with the secondary of the transformer:-

False

True

13 / 25

A 100k ohm resistor with a 1 W power rating is likely to be:-

Carbon resistor

Wire wound resistor

None

Both

14 / 25

A 100 volt bulb has a resistance of 500 ohms. Th number of hours it can work for every kWh of energy consumed will be:-

15 / 25

The Dc load of a transistor amplifier is _____________ that of a AC load;-

same as

more than

less than

16 / 25

The Q of an Lc circuit is given by:-

2prfL/R

2pfr * R

R/ 2 pfrL

17 / 25

One kilowatt hour is equal to:-

735 k cal

860 k cal

532 k cal

18 / 25

By __________ a bus bar is rated:-

Frequency

Voltage

Current

all of them

19 / 25

A transistor converts c power into ____________ power:-

20 / 25

Which motor is preferred for use in mines where explosive gases exist:-

Shunt motor

Induction motor

Air motor

21 / 25

In series resonance, there is _____________________;-

Current amplification

Both a, b

Voltage amplification

22 / 25

The highest voltage for transmitting electrical power in India is:-

33 kV

66 Kv

765 kV

23 / 25

A highly conductive material must have:-

Highest conductivity

Good mechanical strength

All of them

Lowest temperature coefficient

24 / 25

Electron in a conductor have no motion in the absence of a potential difference across it:-

False

True

25 / 25

The equivalent resistance of 2 N branches in parallel , each having resistance of N/2 ohms will be:-

1/4 ohm

1 ohm

4 ohm

2 ohm

Your score is

Subscribe our Channel Here

Online Quizzes