BE Electrical
MCQ's For Audit Course VI : 403153: Energy Storage Systems
1. The positive plates of nickel iron cell is
made up of
a. Nickel hydroxide
b. Lead peroxide
c. Ferrous hydroxide
d. Potassium hydroxide
2. In lead acid accumulators, the container is
filled with distilled water and concentrated sulphuric acid in the ratio of
a. 1 : 2
b. 2 : 1
c. 3 : 1
d. 1 : 3
3. In cell, the current flows in outer circuit
from
a. Positive terminal to
negative terminal and electrons from negative terminal to positive terminal
b. Positive terminal to negative terminal and electrons from positive
terminal to negative terminal
c. Negative terminal to positive terminal and electrons from negative
terminal to positive terminal
d. Negative terminal to positive terminal and electrons from positive
terminal to negative terminal
4. In Ideal case, the Charging current for 200Ah
battery would be _________ ?
a. 10 A
b. 12 A
c. 15 A
d. 20 A
5. In Real case, the Charging current for 200Ah
battery would be _________ ?
a. 20-22 A
b. 14-16 A
c. 12-14 A
d. 10-12 A
6.
The commercial lead acid cell has 13 plates.
The number of positive plates would be_______.
a. 6
b. 7
c. 8
d. 9
7.
The commercial lead acid cell has 15
plates. The number of negative plates would be_______.
a. 6
b. 7
c. 8
d. 9
8.
A Battery is a series or parallel combination
of electrolytic cells.
a. True
b. False
9.
Nickel-Cadmium batteries are preferred more
than Lead-Acid batteries in military applications because——–
a. Can be easily
charged and discharged.
b. Discharge rate is higher
c. Delivers large amount of power
d.
All of the above
10.
Number of cells connected in series to provide
a —–
a.
High current carrying capacity
b. Higher voltage
c.
Higher power
d.
None of the above
11.
Number
of Cells are connected in parallel to provide a——-
a. High current carrying
capacity
b.
Higher voltage
c.
Higher power
d.
None of the above
12.
Storage batteries are rated according
to ——–
a.
Ambient Temperature
b.
Discharge Rate
c. A and C
d.
None of the above
13.
What is the definition of a hybrid car?
a. A car that uses two (or
more) distinct power sources to propel the vehicle.
b.
A car that generates electricity when it
brakes
c.
A car that runs on electricity
d.
A car that runs on gas
14.
Energy is stored in a flywheel in the form of
a.
Heat energy
b. Solar energy
c.
Kinetic energy
d.
Potential energy
15.
In vehicles, flywheel is placed in between
a. Engine and clutch
b.
Clutch and Propeller shaft
c.
Propeller shaft and Differential
d.
Before engine
16.
Following is (are) the function(s) of
Flywheel.
a.
To store and release energy when needed
during the work cycle
b.
To reduce the amplitude of speed fluctuations
c.
To reduce the power capacity of motor
d. All of the above
17.
If the load on the engine is constant, the
mean speed will be constant from the cycle, then
a. The governor will not
operate but flywheel will be acting
b.
The flywheel will be acting but governor will
not operate
c.
Both flywheel and governor will be acting
d.
Both flywheel and governor will not be acting
18. Fuel cell converts
chemical energy to electrical energy using a reaction that
a) eliminates
combustion of fuel
b) requires combustion of fuel
c) requires no ignition of fuel
d) fuel is not required
19. The fuel cell is considered a battery in which ___ is
continuously replaced.
a) fuel only
b) oxidizer
c) both fuel and
oxidizer
d) none of the mentioned
20.
For which of
these devices does negative charge carriers flow from anode to cathode in the
external circuit?
a) MHD generator
b) Thermionic generator
c) Thermoelectric generator
d) Fuel
cell
21.
Fuel cell
performance is not limited by
a) First law of Thermodynamics
b) Second
law of Thermodynamics
c) Third law of Thermodynamics
d) All three laws are applicable
22.
The type of
reactions in a fuel cell is not determined by
a) fuel and oxidizer combination
b) composition of electrolyte
c) materials of anode and cathode
d) catalytic
effects of reaction container
23. A solid that offers no _________ passage of
electricity is called super conductors.
a) Conductance
b) Inductance
c) Resistance
d) Impedance
24.
The earliest
superconductors to be studied elaborately is ________
a) Niobium
alloy
b) Copper alloys
c) Steel alloys
d) Iron alloy
25.
The normal
metal passes into super conducting state at ___________
a) High temperature
b) Low temperature
c) Critical
temperature
d) No temperature
26.
Ideal super
conductors completely become __________ at super conducting state.
a)
Diamagnetic
b) Ferro magnetic
c) Ferri magnetic
d) Para magnetic
