BSNL Online Mock Test
Applicants who wish to do job in Bharat Sanchar Nigam
Ltd. and going to appear in online test for JE (Junior Engineer),
TTA (Telecom Technical Assistants) and
JTO Posts here you can obtain BSNL Online Mock exam for Practice from below
section web page. Today, online practice is a latest way for any competition exam
preparation. Here on this web page we are providing you the online Quiz which
will help you in good preparation for exam.
Here olpx.in provides you a MCQs online practice exam
for Junior Engineer, Telecom Technical Assistants and JTO examination
preparation. Take this online exam quiz and increase your opportunity to clear
the examination. This exam consists of negative marking so the candidates must
be very careful read the answers and this may be done with regular practice of
online exam.
Question
1:
Pure metals generally have-
A. high conductivity and low temperature coefficient
B. high conductivity and large temperature coefficient
C. low conductivity and zero temperature coefficient
D. low conductivity and high temperature coefficient
Answer: B
Question
2:
A superconductor is a-
A. A material showing perfect conductivity and Meissner
effect below a critical temperature
B. A conductor having zero resistance
C. A perfect conductor with highest dimagnetic
susceptibility
D. A perfect conductor which becomes resistive when the
current density through it exceeds a critical value
Answer:
A
Question
3:
The location of lightning arrestor is -
A. Near the transformer
B. Near the circuit breaker
C. Away from the transformer
D. None
Answer:
A
Question
4: Time
constant of an RC circuit increases if the value of the resistance is -
A. Increased
B. Decreased
C. Neither a nor b
D. Both a and b
Answer:
A
Question
5:
Intrinsic semiconductors are those which -
A. Are available locally
B. Are made of the semiconductor material in its purest
from
C. Have more electrons than holes
D. Have zero energy gaps
Answer: B
Question
6:
When biased correctly, a zener diode”
A. acts as a fixed resistance
B. has a constant voltage across it
C. has a constant current passing through it
D. never overheats
Answer: B
Question
7: Compared
to bipolars, FETs have-
A. high input impedance
B. low input impedance
C. same input impedance
D. none
Answer: A
Question
8:
The source-drain channel of JFET is -
A. ohmic
B. bilateral
C. unilateral
D. both a and b
Answer: D
Question
9:
Diac is equivalent to a -
A. Pair of SCRs
B. Pair of four layer SCRs
C. Diode and two resistors
D. Triac width
Answer: B
Question
29:
Joule is the unit of
A. temperature
B. pressure
C. energy
D. heat
Answer: C
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