The acid used in automobile battery is

Studies of fatal automobile accidents reveal that , in the majority of cases in which one occupant of an automobile is killed another survives, it is the passenger , not the driver , who is killed. It is ironic that the innocent passenger should suffer for the driver's carelessness, while the driver often suffers only minor injuries or none at all. Which of the following is an assumption underlying the reasoning in the passage above?

A

In most fatal automobile accidents , the driver of a car in which an occupant is killed is at fault .

B

Most deaths in fatal automobile accidents are suffered by occupants of cars rather then by pedestrians .

C

Auto safety experts should increase their efforts to provide protection for those in the passenger seats of automobiles

D

Automobile passengers sometimes play a contributing role in causing auto accidents

Which among the following constitutes the major load for an automobile battery ?

A

Brake light

B

Self starter

C

Parking lights

D

Spark plugs

In a battery cover is placed over the element and sealed to the top of the battery container. This is done

A

to reduce evaporation of water from electrolyte

B

to exclude dirt and foreign matter from the electrolyte

C

to discharge both of the above functions

D

to discharge none of the above functions

The battery is an electrochemical device, which means battery

A

Makes chemicals by mechanical means

B

Uses chemical action to provide electricity

C

Has curved plates instead of flat plates

D

Does not use an electrolyte

The instrument used to check specific gravity of acid in a battery is

A

Hydrometer

B

Hygrometer

C

Anemometer

D

Multimeter

Which acid is used in Lead storage battery?

A

Sulphuric acid

B

Nitric acid

C

Hydrochloric acid

D

Acetic acid

a chemial is mixed 30 ml mixed , 10 ml is acid , how much ml of acid must be mixed such that a 50/50 mixure of water and acid is attend if no additional water is added

A

20

B

10

C

40

D

30

How many liters of a 90% of concentrated acid needs to be mixed with a 75% Solution of concentrated acid to get a 30 liter Solution of 78% concentrated acid?

A

8

B

6

C

7

D

9

The molecular mass of sulphuric acid is 98. If 49 g of the acid is dissolved in water to make one litre of solution, what will be the strength of the acid?

A

Two normal

B

One normal

C

0.5 normal

D

Four normal

The negative plates of a lead acid battery has

A

Lead peroxide (PbO₂)

B

Spongy lead (Pb)

C

Lead sulphate (PbSO₄)

D

Sulphuric acid (H₂SO₄)

The acid used in automobile battery is

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