Basic Electrical Engineering Practice bits
1 . The
unit of resistivity is
a. Ohm
b. Ohm/metre
c. Ohm-metre
d. Mho
2. A
circuit having load current zero when
load _is _
a. Short
circuit
b. Open circuit
c. A or
B
d. None
3. A
network having no source of emf is called
a. Passive
network
b. Active
network
c. Electrical
network
d. None
of the above
4. The
unit of capacitance is
a. Weber
b. Henry
c. farad
d. ampers
5. The
unit of solid angle is
a. Radian
b. Degree
c. Gradient
d. Steradian
6. When
diameter of conductor is doubled its resistance becomes
a. 2
times
b. ½
times
c. ¼
times
d. Not
change
7. DC
series motor start
a. Without
load
b. With
light load
c. With
heavy load
d. Any
of the above
8. One
coulomb per second is
a. 1
volt
b. 1
ampere
c. 1
watt
d. 1
joule
9. In a
pure inductive circuit the power is zero because
a. Voltage
=0
b. current
=0
c. impedance
=0
d. power
factor = 0
10. p
relay is used in
a. the auto
transformer
b. power
transformer
c. potential
transformer
d. current
transformer
11. the
ratio of resistance to impedance is
a. form
factor
b. transformation
ratio
c. power
factor
d. admittance
12. Kirchhoff’s
voltage law is applicable to
a. Closed
loop in a network
b. Electronic
circuit
c. Electric
circuit
d. Junction
in a network
13. 3-phase
440V 6 pole 50Hz induction motor has a speed of 950 rpm on full load. The lip
is
a. 2%
b. 5%
c. 6%
d. 10%
14. Given
Z1=10
and Z2=5
200 then 
is
and Z2=5200 then is
a. 
b. 
300
300
c. 700
700
d. 10000
10000
15. In
transformer copper losses are found by
a. Open
circuit test
b. Phase
sequence test
c. Short
circuit test
d. Polarity
test
16. The
alternator having salient pole type rotors are suitable for ____ speed machines
a. low
b. High
c. Medium
d. None
17. Electrical
energy converted into mechanical energy is
a. Generator
b. Motor
c. Both
d. Transformer
18. Energy
meter is ____type of instrument
a.
Recording
b.
Integrating
c.
Indicating
d.
None
19. Sedimentation
is a defeat on
a.
Energy
meter
b.
Lead
acid cell
c.
Dry
cell
d.
Transformer
20. In
AC machines best efficiency is given by which of the following
a.
Slip
ring motor
b.
Induction
motor
c.
MG
set
d.
Transformer
FOR MORE MCQ QUESTIONS CLICK BELOW
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-20.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-19.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-18.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-17.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-16.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-15.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-14.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-13.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-12.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-11.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-10.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-9.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-8.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-7.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-6.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-5.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-4.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-3.html
https://www.electricalforu.com/2020/01/electrical-engineering-practice-bits-2.html
https://www.electricalforu.com/2019/12/1.html
