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Q 1/37
Score 0
Ohms Law does not apply to
30
Semi-conductors
As circuit
Conductors
All of these
Q 2/37
Score 0
Which of the following protective device operates on the principle of Kirchoff's Current Law?
30
Differential protective relay
Undercurrent relay
AC time overcurrent relay
Instantaneous overcurrent relay
37 questions
Q.
Ohms Law does not apply to
1
30 sec
Q.
Which of the following protective device operates on the principle of Kirchoff's Current Law?
2
30 sec
Q.
The unit of magnetic dipole moment is
3
30 sec
Q.
The magnetic torque exerted on a flat current-carrying loop of wire by a uniform magnetic field vector B is
4
30 sec
Q.
What is the main purpose for guy wire?
5
30 sec
Q.
Which is not a part of unbundling rate in your Meralco bill?
6
30 sec
Q.
The boundary of the protection system is determined by the location of
7
30 sec
Q.
Which is a variable renewable energy?
8
30 sec
Q.
What is the number of the address lines for 32k?
9
30 sec
Q.
What instrument is used to check the motor shaft misalignment?
10
30 sec
Q.
A moving coil galvanometer can be converted into ammeter by connecting to the moving galvanometer
11
30 sec
Q.
The bullseye of the grounding target is located at
12
30 sec
Q.
The objective of earthing or grounding is
13
30 sec
Q.
This accounts the difference of excess power exported back to the grid and total power consumed by the owner is
14
30 sec
Q.
In a series, current is always
15
30 sec
Q.
A refrigerator receptacle can be fed from a I.15A individual branch circuit II. 20A individual branch circuit III. 20A small appliance branch circuit
16
30 sec
Q.
A hermetic motor compressor has a rated current of 25A. What is the minimum ampere rating of the motor branch disconnecting means?
17
30 sec
Q.
A service drop conductor shall have a vertical clearance of not less than ___ mm above the roof surface.
18
30 sec
Q.
Which part of the transformer responsible for dissipation of heat naturally?
19
30 sec
Q.
What is the purpose of the tubes located at the side of transformers?
20
30 sec
Q.
Positive charge is distributed uniformly throughout a non conducting sphere. The highest electric potential occurs
21
30 sec
Q.
The power is to be measured for a balanced delta connected load whose terminals cannot be opened. How many wattmeters do you need?
22
30 sec
Q.
The general lighting load for an office building expressed in terms of volt-meters per sq. m must be at least,
23
30 sec
Q.
One primary and one secondary terminal of a two-winding transformers are connected to an ohm-meter instrument. What will be the reading on this instrument?
24
30 sec
Q.
When the smplitude of the oscillator in a series RLC circuit is doubled the
25
30 sec
Q.
By increasing the transmission voltage double of its original value, the same power can be dispatched keeping the line losses.
26
30 sec
Q.
What is the main reason for using the high voltage for the long distance power transmission?
27
30 sec
Q.
A coulomb is the same as
28
30 sec
Q.
The coulomb law is an implication of which law?
29
30 sec
Q.
It is the radio of total number of sustained customers power interruption within given period to the total number of customers served within the same period.
30
30 sec
Q.
As per RA 9136 which is known as EPIRA, SAIFI means
31
30 sec
Q.
What is the meaning of GFCI?
32
30 sec
Q.
A grounding conductor is ___ and electrically ___.
33
30 sec
Q.
Overhead lines are protected from lightning by the use of I. Overhead grounded conductors II.Surge arrester
34
30 sec
Q.
Which of the following sizes of fuse is NOT standard?
