BE Electrical MCQ's For Audit Course VI : 403153: Energy Storage Systems

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