Geology (Thermodynamics) Model Test Paper

Geology (Thermodynamics) Model Test Paper
Earth Science,Geology Practice Paper 
1. The bituminous coal is highly coking, if its

carbon content is

(a) 78 to 81%

(b) 81 to 81.82.5%

(c) 82.5 to 84%

(d) 84 to 89%

ANSWER: (a)

2. The ultimate analysis of coal is done to determine

th e percentage of

(a) Carbon

(b) Sulphur and ash

(c) Hydrogen and nitrogen

(d) All of the above

ANSWER: (d)

3. Rank of coal is based on

(a) Ash content

(b) Moisture content

(c) Fixed carbon and heating value

(d) All of the above

ANSWER: (c)

4. A good fuel has

(a) Low ignition point and high calorific value

(b) Low ignition point and low calorific value

(c) High ignition point and high calorific value

(d) High ignition point and low calorific value.

ANSWER: (a)

5. Amount of heat obtained by the complete

combustion of 1 kg of a fuel, when the products

of its combustion are cooled down to the

temperature of supplied air is known as

(a) Calorific value

(b) High calorific value

(c) Low calorific value

(d) none of the above

ANSWER: (b)

6. A molecule consisting of three atoms is known as

(a) Monoatomic

(b) Diatomic

(c) Triatomic

(d) Polyatomic

ANSWER: (c)

7. The bituminuous coal is strongly coking, its

carbon content is

(a) 7S to 81%

(b) 81 to 82.5%

(c) 82.5 to 84%

(d) 84 to 89%

ANSWER: (d)

8. In an ultimate analysis of coal, one of the

constituents present is 3.5 %. This could be

(a) Carbon

(b) Ash

(c) Sulphur

(d) Moisture

ANSWER: (c)

9. Symptom showing incomplete combustion of

coal is

(a) Presence of free carbon in exhaust

(b) Presence of oxygen is exhaust

(c) Presence of nitrogen in exhaust

(d) Presence of free CO in exhaust

ANSWER: (c)

10. Calorific value of gaseous fuel, is the amount of

heat liberated in kcal by

(a) Complete combustion of l kg of fuel

(b) Complete combustion of 1 m’ of fuel at S.T.R

(c) Temperature rise of fuel of 1°C

(d) None of the above

ANSWER: (b)

11. Amount of heat liberated by the complete

combustion of 1kg of fuel, is known as

(a) Calorific value

(b) High calorific value

(c) Low calorific value

(d) None of the above

ANSWER: (a)

12. A molecule consisting of one atom is known as

(a) Monoatomic

(b) Diatomic

(c) Triatomic

(d) Polyatomic

ANSWER: (c)

13. When sulpher is burnt to sulphur dioxide, there

is molecular

(a) Expansion

(b) Contraction

(c) Either expansion or contraction

(d) Expansion or contraction is not there

ANSWER: (d)

14. Which of the following is not a petroleum

product

(a) Petrol

(b) Kerosene

(c) Methylated spirit

(d) Lubricating oil

ANSWER: (c)

 

15. Liquid fuels as compared to solid fuels have

calorific value

(a) Higher

(b) Lower

(c) Same

(d) None of the above

ANSWER: (a)

 

16. Liquid fuels as compared to solid fuels have

(a) Higher efficiency

(b) Lower efficiency

(c) Same efficiency

(d) None of the above

ANSWER: (b)

 

17. In Bomb calorimeter; the fuel to be tested is

burned at constant

(a) Pressure

(b) Volume

(c) Temperature

(d) None of the above

ANSWER: (b)

18. Gas producer; in which the steam-air mixture is

forced by external means, is known as .

(a) Free gas producer

(b) Forced gas producer

(c) Pressure gas producer

(d) Suction gas producer

ANSWER: (c)

 

19. Process of heating crude oil to a high temperature

under very high pressure to increase the yield of

lighter distillate, is known as

(a) Cracking fractional distillation

(b) Fractional distillation

(c) Carbonisation

(d) None of the above

ANSWER: (a)

20. Petrol is distilled at

(a) 65° to 220°C

(b) 225° to 350°C

(c) 345°' t0 450°C

(d) 470° to 550°C

ANSWER: (a)

21. Kerosene is distilled at

(a) 65°to220°C

(b) 225°to350°C

(c) 345° to 450°c

(d) 470° to 550°C

ANSWER: (b)

22. Bomb calorimeter is used to determine

(a) Higher calorific value of solid or luquid fuels

(b) Lower calorific value of solid or liquid fuels

(c) Calorific value of gaseous fuels

(d) Viscosity of liquids

ANSWER: (a)

23. Gas producers are used to determine

(a) Calorific value of gaseous fuel

(b) Calorific value of solid fuel

(c) Viscosity of a gas

(d) None of the above

ANSWER: (b)

24. Gas having highest calorific value is

(a) Coal gas

(b) Mond gas

(c) Blast furnace gas

(d) Coke oven gas

ANSWER: (d)

 

25. Bernoulli’s theorem deals with the conservation of

(a) Mass

(b) Force

(c) Momentum

(d) Energy

ANSWER: (d)