MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Electrical Engineering
Electric Energy Generation Utilization And Conservation
Quiz 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Q.1
Which gas can be filled in GLS lamps?
oxygen
carbon dioxide
xenon
any inert gas
Q.2
When a body reflects entire radiation incident on it, then it is known as
white body
grey body
black body
transparent body
Q.3
Which of the following best represents the Law of Conservation of Energy?
Energy CAN be created but NOT destroyed
Energy CAN be destroyed but NOT created
Energy can NOT be created Nor destroyed
Energy CAN be created and CAN destroyed
Q.4
Which of the following decreases within turn decreases the charging rate?
temperature
pressure
enthalpy
entropy
Q.5
On which of the following factors dies the depreciation or maintenance factor depend?
lamp cleaning schedule
ageing of the lamp
type of work carried out at the premises
all of the above factors
Q.6
Which one of the following inorganic refrigerants is often used?
nh3
co2
h2o
so2
Q.7
What kind of energy in the sun transforms into electromagnetic energy?
nuclear
thermal
electric
chemical
Q.8
The basic electrical requirement in arc welding is that there should be
coated electrodes
high open-circuit voltage
no arc blow
power supply.
Q.9
What is the total number of cells present in a 12-volt battery?
5
6
3
4
Q.10
The flicker effect of fluorescent lamps is more pronounced at
lower frequencies
higher frequencies
lower voltages
higher voltages
Q.11
According to the Law of Conservation of Energy, when one form of energy is transformed into another, __________ energy is lost in the process
no
some
all
None of these
Q.12
Which of the following has the highest value of thermal conductivity?
water
steam
solid ice
melting ice
Q.13
Heat is transferred simultaneously by condition, convection and radiation
inside boiler furnaces
during melting of ice
through the surface of the insulted pipe caring steam
from refrigerator coils to freezer of a refrigerator
Q.14
The coreless induction furnace uses high-frequency electric supply in order to obtain high
flux density
eddy-current loss
primary resistance
power factor.
Q.15
The refrigerants which are first cooled by ________________ refrigerants and then used for cooling purposes are known as _________________ refrigerants.
secondary, primary
primary, secondary
tertiary, primary
secondary, tertiary
Q.16
Which of the following track is electrified
delhi-bombay
delhi-madras
delhi-howrah
delhi-ahmedabad
Q.17
Which of the following lamps is the cheapest for the same wattage?
fluorescent tube
mercury vapour lamp
gls lamp
sodium vapour lamp
Q.18
___________ is a cold cathode lamp.
fluorescent lamp
neon lamp
mercury vapour lamp
sodium vapour lamp
Q.19
Which is an example of a single energy transformation?
A toaster converts electrical to thermal energy
A match converts mechanical to thermal to electromagnetic
A biker converts chemical to mechanical to thermal
A car converts chemical to thermal to mechanical
Q.20
Ground resistance value for sensitive installations is
less than 5 Ω
more than 5 Ω
equal to 50 Ω
any of above
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page