CAT Questions

Q:

The acid used in lead storage cells is

A) Sulphuric acid B) Nitric acid
C) Hydrochloric acid D) Phosphoric acid
 
Answer & Explanation Answer: A) Sulphuric acid

Explanation:

The acid used in lead storage cells is Sulphuric acid. They are used car batteries. Lead-acid batteries are capable of being recharged, which is important for their use in cars.

the_acid_used_in_lead_storage_cells_is1545132418.jpg image

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Q:

three_resistors_are_arranged_in_a_circuit_as_shown_above1559105724.PNG image

Three resistors are arranged in a circuit as shown above. The battery has an unknown but constant emf ε and a negligible internal resistance.

Now, determine the equivalent resistance of the three resistors.

A) 12 Ω B) 10 Ω
C) 16 Ω D) 15 Ω
 
Answer & Explanation Answer: A) 12 Ω

Explanation:

From the given circuit,

three_resistors_are_arranged_in_a_circuit_as_shown_above1559105964.PNG image

The resistors R1 and R2 are in parallel connection and R3 is in series with R1 & R2

The equivalent resistance of R1 and R2 is

Req = (12 × 4)/(12 + 4) = 3 Ω.

Adding R3 in series with the pair gives

R = Req + 9

R = 3 + 9

R = 12 Ω.

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Q:

The ore which is found in abundance in India is

A) fluorspar B) magnetite
C) monazite D) bauxite
 
Answer & Explanation Answer: C) monazite

Explanation:

The ore which is found in abundance in India is monazite.

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Q:

The reserves of a commercial bank consist of

A) the bank's net worth B) the amount of money market funds it holds
C) government securities that the bank holds D) deposits at the Federal Reserve Bank and vault cash
 
Answer & Explanation Answer: D) deposits at the Federal Reserve Bank and vault cash

Explanation:
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Q:

Speeding is a factor in ___ % of fatal crashes.

A) 30 B) 25
C) 20 D) 15
 
Answer & Explanation Answer: A) 30

Explanation:

Speed has been identified as a key risk factor in road traffic injuries, influencing both the risk of a road crash as well as the severity of the injuries that result from crashes.

Speeding is a factor in 30 % of all fatal accidents.

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Q:

A computer port is used to

A) Donwload files B) Communicate with other computer peripherals
C) Communicate with hard disks D) All of the above
 
Answer & Explanation Answer: B) Communicate with other computer peripherals

Explanation:
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Q:

Which molecule contains a nonpolar covalent bond?

A) Cl2 B) Br2
C) H2 D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

In all the given options, molecules are containing nonpolar covalent bonds.

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Q:

Process occurs in cytoplasm

A) Glycolysis B) Cell division
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

Most cellular activities will occur in the cytoplasm of the cell. Many metabolic pathways including glycolysis and process such as cell division occurs in the cytoplasm of the cell.

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