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 20 -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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⇒ Overcharging of a lead acid battery would cause
excessive gassing.
loss of active material.
increase in temperature resulting in buckling of plates.
all of the above.

⇒ Cells are connected in parallel in order to increase the
life of the cells.
efficiency.
current capacity.
voltage rating.

⇒ During electrodeposition. the amounts of different substances liberated by same quantity of electricity are proportional to
atomic weights.
valency.
chemical equivalents.
atomic numbers

⇒ 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.

⇒ The capacity of a lead acid battery does not depend upon
charge rate.
discharge rate.
temperature.
density of electrolyte & quantity of active material.

⇒ Short circuiting of a cell results in
reduced gassing during charging.
abnormal high temperature.
low specific gravity of the electrolyte.
all of the above.

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

⇒ The ratio of the number of hydrogen to that of oxygen atoms liberated in the electrolysis of acidulated water is
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⇒ Oil and grease can be removed from a surface with the help of
soaps.
hot alkaline solutions.
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⇒ The amount of ions liberated by 96500 C of charge passed through the electrolyte is called ?
Electrochemical equivalent
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⇒ A battery is connected to a resistance causing a current of 0.5 A in the circuit. The current drops to 0.4 A when an additional resistance of 5 ω is connected in series. The current will drop to 0.2 A when the resistance is further increased by
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⇒ In lead acid batteries, sedimentation occurs due to
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slow charging at low rate.

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dust particles.
iron.
lead crystals.
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nature of electrolyte.
nature of electrode.
both (b) and (c).

⇒ Rust, scales and oxides can be removed from a surface with the help of
various acids.
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mechanical abrasion.
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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.

⇒ Five cells are connected in series in a row and then four such rows are connected in parallel to feed the current to a resistive load of 1.25 ω. Each cell has an emf of 1.5 V with an internal resistance of 0.2 ω. The current through the load will be
3.33 A
23.33 A
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⇒ Charging of a sulphated battery at high rate causes
warping of plates.
boiling of electrolyte owing to gassing.
damage to separators, cell caps, covers and battery case due to excessive temperature.
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⇒ Which of the following is not the name of a secondary cell ?
Acid cell
Alkali cell
Fuel cell
Storage cell

⇒ What happens during the charging of acid cell ?
Voltage increases
Energy is given out
Both
None of these

⇒ Addition of which of the following substances in electrolyte promotes smooth deposition?
Albumen.
Glucose.
Phenol.
Any of these.

⇒ In which of the following cells polarisation is the major defect ?
Voltanic cell
Lechlanche cell
Daniel cell
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⇒ Which of the following statements is incorrect about lead acid batteries ?
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.

⇒ 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.
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⇒ Who was the first to design storage cell ?
Plante
Galvani
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⇒ A 24 V battery of internal resistance r = 4 ω connected to a variable resistance R. The rate of heat dissipation in the resistor is maximum when the current drawn from the battery is I. The current drawn from the battery will be 1/2 when R is equal to
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12 ω
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⇒ For achieving uniform thickness of deposit on irregular surface
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anode and cathode are kept closer.
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⇒ Which of the following cells is more likely to be damaged due to short circuiting ?
Daniel cell
Dry Cell
Acid cell
Fuel cell

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