Engineering Chemistry II Mock Test 6

10%

Question 1 of 10

1. Alkalinity is a measure of the ability of water to neutralize the acids.

False

True

Question 1 of 10

Question 2 of 10

2. Find the volume of air required for complete combustion of 1 m³ of acetylene and the weight of air necessary for the combustion of 1 kg of fuel?

10.6 m³ and 12.526 kg

11.9 m³ and 13.378 kg

12.1 m³ and 15.5 kg

12.0 m³ and 14.965 kg

Question 2 of 10

Question 3 of 10

3. Which of the following process is used to convert the mixture of saturated hydrocarbons obtained from petroleum into a more reactive material?

Hydrogenation

Chlorination

Acidification

Alkylation

Question 3 of 10

Question 4 of 10

4. Which of the following should not be a composition of boiler-feed water?

Its caustic alkalinity should lie between 0.15 to 0.45 ppm

Hardness should be below 0.2ppm

Its soda alkalinity should be 0.45-1 ppm

Its caustic alkalinity should be 1.5-2 ppm

Question 4 of 10

Question 5 of 10

5. What is density of air at normal temperature pressure condition?

1.290 kg/m³

998.2 kg/m³

9.982 kg/m³

1290 kg/m³

Question 5 of 10

Question 6 of 10

6. By which of the following fractions of petroleum aromatic hydrocarbons are produced?

Special closely boiling fractions

Medium boiling hydrocarbons

Low boiling fractions

Wide ranging hydrocarbons

Question 6 of 10

Question 7 of 10

7. Which of the following raw material obtained from petroleum can be in preparation of acetic acid?

Tartaric acid

Ethylene

Phosphoric acid

Acetone

Question 7 of 10

Question 8 of 10

8. The alkalinity due to carbonate ion is 2P when?

P > M/2

P = M/2

P < M/2

P = M

Question 8 of 10

Question 9 of 10

9. Which of the following indicator is pink in basic medium?

Starch

Methyl orange

Phenolphthalein

Litmus paper

Question 9 of 10

Question 10 of 10

10. Select the incorrect statement from the following option.

It can be removed by mere boiling of water

It is also known as non-alkaline hardness

The difference between the total hardness and the alkaline hardness gives the non-alkaline hardness

Permanent hardness is due to dissolved chlorides and sulphates of calcium and magnesium

Question 10 of 10