Question is ⇒ For keeping the lead acid battery terminals free from corrosion it is advisable to, Options are ⇒ (A) keep electrolyte level low, (B) apply petroleum jelly., (C) charge the battery at frequent intervals., (D) , (E) , Leave your comments or Download question paper.

Question is ⇒ For keeping the lead acid battery terminals free from corrosion it is advisable to, Options are ⇒ (A) keep electrolyte level low, (B) apply petroleum jelly., (C) charge the battery at frequent intervals., (D) , (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	For keeping the lead acid battery terminals free from corrosion it is advisable to
A.	keep electrolyte level low [Wrong Answer]
B.	apply petroleum jelly. [Correct Answer]
C.	charge the battery at frequent intervals. [Wrong Answer]
View Answer 7 -3 Explanation:- Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ The energy capacity of a storage battery is rated in
kWh.
kW.
ampere hours.
joules.

⇒ 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.

⇒ What carries current in an electrolyte
Electrons only
- ve ions only
+ ve ions only
Both + ve and - ve ions

⇒ 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.

⇒ 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.

⇒ Which of the following is not the name of a secondary cell ?
Acid cell
Alkali cell
Fuel cell
Storage cell

⇒ 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, the level of the electrolyte should be
equal to that of the plates.
below the level of plates.
above the level of plates.
none of the above.

⇒ Which of the following statements is correct about lead acid batteries ?
It delivers current as soon as its components are put together.
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
It has lead as positive plates.

⇒ 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.

⇒ Which of the following acts as depolariser in Lechlanche cell ?
MnO₂
NH₄Cl
Mn₂O₃
ZnCI₂

⇒ 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.

⇒ 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.

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

⇒ 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
5 A
1 A

⇒ The amount of ions liberated by 96500 C of charge passed through the electrolyte is called ?
Electrochemical equivalent
Chemical equivalent
Gram equivalent
None of these

⇒ In a lead acid battery, separators are provided to
reduce internal resistance.
facilitate flow of the current.
avoid internal short circuits.
increase the energy efficiency.

⇒ The ratio of the number of hydrogen to that of oxygen atoms liberated in the electrolysis of acidulated water is
1 : 4
1 : 2
2 : 1
4 : 1

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

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

⇒ Whithin the electric cell, the charge is transported by
Free electrons
Only positive ions
Only negative ions
Both positive and negative ions

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

⇒ In a battery, cover is placed over the elements and sealed at the top of the battery container. This is done in order to
exclude dirt and foreign matter from the electrolyte.
reduce evaporation of water from electrolyte.
both (a) and (b).
none of the above

⇒ Battery charging equipment should be installed
in well ventilated, clean and dry place.
as near as practical to the battery under charge.
both (a) and (b).
wherever convenient.

⇒ 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
8 ω
12 ω
16 ω
20 ω

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

⇒ Which of the following cells is more likely to be damaged due to short circuiting ?
Daniel cell
Dry Cell
Acid cell
Fuel cell

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

⇒ During discharging of lead acid cells, the terminal voltage decreases with the decrease in
temperature.
discharge rate.
state of charge.
none of these.

⇒ The arrangement of 12 cells, each of internal resistance 1.5 ω, to give maximum current in external load resistance of 2 ω will be
all 12 cells in series.
all 12 cells in parallel.
4 cells in series with 3 rows in parallel.
3 cells in series with 4 rows in parallel.