Coal and Petroleum Test

Result

Coal and Petroleum Test - 28

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Weekly Quiz Competition

Question 1
1 / -0

Why is foundry coke used in boilers and furnaces?

A
Excellent insulator

B
Excellent source of light

C
Excellent source of heat

D
None of above

Solution

Foundry coke is a type of hard coke which is used for the production of cast iron and ductile products. It is an excellent source of heat and therefore it is used in industrial boilers and furnaces.
Question 2
1 / -0

Identify the odd one out from the following.

A
diesel

B
lubricating oil

C
paraffin wax

D
coal

Solution

Petroleum is a dark oily liquid. It has an unpleasant odor. It is a mixture of various constituents such as petroleum gas, petrol, diesel, lubricating oil, paraffin wax, etc.
So, the correct answer is option D.
Question 3
1 / -0

________ is among the by-products when coal is carbonized to make coke.

A
Coal tar

B
Coal

C
Carbon dioxide

D
All of above

Solution

Coal tar is a brown or black liquid of extremely high viscosity. Coal tar is among the by-products when coal is carbonized to make coke or gasified to make coal gas.
Question 4
1 / -0

Which of these is not a physical property of coke?

A
Tough

B
White

C
Porous

D
None of above

Solution

Coke is tough, porous and black in colour.
Question 5
1 / -0

................ is a flammable gaseous fuel made from coal and supplied to the user via a piped distribution system.

A
Coal tar

B
Coal gas

C
Coke

D
None of these

Solution

Coal gas is a flammable gaseous fuel made from coal and supplied to the user via a piped distribution system.
Question 6
1 / -0

Coal is obtained by:

A
carbonization

B
refining

C
decomposition of dead aquatic animals

D
none of above

Solution

The slow process of conversion of dead vegetation into coal is called carbonization. Refining is the process of purifying any substance. Petroleum is obtained by the decomposition of dead aquatic animals. Thus coal is obtained by the process of carbonization. Hence option A is correct.
Question 7
1 / -0

______ has the highest carbon purity and is used to manufacture energy.

A
Petrol coke

B
Calcinated pet coke

C
Both A and B

D
None of the above

Solution

Calcinated pet coke (CPC) has the highest carbon purity and is used to manufacture aluminum, graphite electrodes, steel, titanium dioxide, and other carbon-consuming industries.
Question 8
1 / -0

Coking coal is coal which on carbonisation goes through:

A
softening.

B
swelling.

C
resolidification.

D
All of the above.

Solution

A good quality coke is generally made from carbonization of good quality coking coals.
Coking coals are defined as coals that on carbonization process passes through softening, swelling, and resolidification of coke.
Question 9
1 / -0

Coal gas contains:

A
hydrogen

B
carbon monooxide

C
methane

D
all of the above

Solution

Coal gas is a flammable gaseous fuel made from coal and supplied to the user via a piped distribution system. Coal gas is a more general term referring to manufactured gaseous fuels produced for sale to consumers and municipalities.
Coal gas contains a variety of calorific gases including hydrogen, carbon monoxide, methane, and volatile hydrocarbons together with small quantities of non-calorific gases such as carbon dioxide and nitrogen.
Question 10
1 / -0

Coal tar belongs to a class of drugs known as:

A
aldehydes

B
alcohols

C
keratoplastics

D
none of above

Solution

Coal tar belongs to a class of drugs known as keratoplastics. It works by causing the skin to shed dead cells from its top layer and slow down the growth of skin cells. This effect decreases scaling and dryness. Coal tar can also decrease itchiness from these skin conditions.

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Re-Attempt Weekly Quiz Competition

Coal and Petroleum Test - 28

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Coal and Petroleum Test - 28

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SHARING IS CARING

Question 1

Excellent insulator

Excellent source of light

Excellent source of heat

None of above

Solution

Question 2

diesel

lubricating oil

paraffin wax

coal

Solution

Question 3

Coal tar

Coal

Carbon dioxide

All of above

Solution

Question 4

Tough

White

Porous

None of above

Solution

Question 5

Coal tar

Coal gas

Coke

None of these

Solution

Question 6

carbonization

refining

decomposition of dead aquatic animals

none of above

Solution

Question 7

Petrol coke

Calcinated pet coke

Both A and B

None of the above

Solution

Question 8

softening.

swelling.

resolidification.

All of the above.

Solution

Question 9

hydrogen

carbon monooxide

methane

all of the above

Solution

Question 10

aldehydes

alcohols

keratoplastics

none of above

Solution

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