Question is ⇒ Which of the following is not the name of a secondary cell ?, Options are ⇒ (A) Acid cell, (B) Alkali cell, (C) Fuel cell, (D) Storage cell, (E) , Leave your comments or Download question paper.

Question is ⇒ Which of the following is not the name of a secondary cell ?, Options are ⇒ (A) Acid cell, (B) Alkali cell, (C) Fuel cell, (D) Storage cell, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Which of the following is not the name of a secondary cell ?
A.	Acid cell [Wrong Answer]
B.	Alkali cell [Wrong Answer]
C.	Fuel cell [Correct Answer]
D.	Storage cell [Wrong Answer]
View Answer 21 -10 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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⇒ Nickel-cadmium accumulators in comparison to nickel-iron accumulators have the advantages of
being lighter in weight and cheaper in cost.
low internal resistance and longer life.
higher emf and higher efficiency.
all of the above.

⇒ For keeping the lead acid battery terminals free from corrosion it is advisable to
keep electrolyte level low
apply petroleum jelly.
charge the battery at frequent intervals.

⇒ In a lead acid battery, excessive formation of lead sulphate occurs due to
idleness of battery for a long time.
low level of electrolyte.
persistent undercharging.
all of the above.

⇒ For achieving uniform thickness of deposit on irregular surface
anode and cathode are kept farther apart
anode and cathode are kept closer.
high current densities are used.
electrolyte is agitated constantly

⇒ Short circuiting of a cell may be caused by
buckling of plates.
breakdown of one or more separators.
excessive accumulation of sediments at the bottom of the cell.
lead particles forming circuits between positive and negative plates.

⇒ First electrochemical cell was designed by
Galvani
Faraday
Lechlanche
None of these

⇒ Which of the following tests is performed for ascertaining whether the battery plates are defective or not?
Specific gravity test.
High discharge test.
Cadmium test.
None of the above.

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3 cells in series with 4 rows in parallel.

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corrosive fumes are produced.
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Voltanic cell
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as near as practical to the battery under charge.
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wherever convenient.

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The electrolyte in weak sulphuric acid.
When fully charged both of the plates become lead-per-oxide.
The number of plates is always odd.
The number of negative plates is one more than the number of positive plates.

⇒ Pickling is
protection of surface from rusting.
a layer coating for preventing surface deterioration.
removal of scale, grease etc. from the surface.
none of the above.

⇒ The capacity of a lead acid battery is adversely affected by increase in
discharge rate.
charge rate.
temperature.
specific gravity of the electrolyte.

⇒ Standard cell
will have precise and accurate constant voltage when current drawn from it is few microamperes only.
will have precise and accurate constant voltage when few milliamperes are drawn from it.
will continue to have constant voltage irrespective of loading conditions.
can supply voltages up to 10 V.

⇒ A floating battery is one
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in which battery voltage is equal to charger voltage.
which supplies current intermittently and also during idle period gets charged.
none of the above.

⇒ Which of the following cells is more likely to be damaged due to short circuiting ?
Daniel cell
Dry Cell
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⇒ If the specific gravity of the electrolyte in a lead acid cell increases beyond 1.23 there will be
loss of life.
loss of capacity.
increase in internal resistance.
corrosion of the grids of the plate.

⇒ The current capacity of the charged secondary cell does not depend on
Rate of discharge
Temperature
Amount of active material
Rate of charging

⇒ Vent plug is provided in each lead acid cell to
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check the electrolyte level.
allow escape out of gases during charging.
all of the above.

⇒ In a battery, cover is placed over the elements and sealed at the top of the battery container. This is done in order to
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reduce evaporation of water from electrolyte.
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none of the above

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reducing charging time.
avoiding of excessive gassing.
both (b) and (c).

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above the level of plates.
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Density of electrolyte increases while delivering current
lt does not deliver current on putting its components together until it is supplied electrical energy from an external source
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efficiency.
current capacity.
voltage rating.