| 1. | The mass of flue gas per kg of fuel is the ratio of the ? | |
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mass of oxygen in 1 kg of flue gas to the mass of oxygen in 1 kg of fuel
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mass of oxygen in 1 kg of fuel to the mass of oxygen in 1 kg of flue gas
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mass of carbon in 1 kg of flue gas to the mass of carbon in 1 kg of fuel
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mass of carbon in 1 kg of fuel to the mass of carbon in 1 kg of flue gas
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Report Question| 2. | Which of the following gas is mostly used in town for street and domestic lighting and heating ? | |
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Producer gas
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Coal gas
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Mond gas
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Coke oven gas
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| 3. | Which of the following is a reversible non-flow process ? | |
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Isochoric process
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Isobaric process
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Hyperbolic process
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all of these
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| 4. | The main cause for the irreversibility is ? | |
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mechanical and fluid friction
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unrestricted expansion
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heat transfer with a finite temperature difference
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all of the above
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| 5. | The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as ? | |
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element
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compound
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atom
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molecule
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| 6. | A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as ? | |
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cracking
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carbonisation
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fractional distillation
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full distillation
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| 7. | Producer gas is obtained by ? | |
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partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast
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carbonisation of bituminous coal
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passing steam over incandescent coke
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passing air and a large amount of steam over waste coal at about 650° C
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| 8. | Which of the following gas has the highest calorific value ? | |
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Coal gas
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Producer gas
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Mond gas
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Blast furnace gas
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| 9. | The total energy of a molecule is shared equally by the various degrees of freedom possessed by it. This law is known as ? | |
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law of equipartition of energy
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law of conservation of energy
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law of degradation of energy
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none of these
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| 10. | Reheating in a gas turbine ? | |
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increases the thermal efficiency
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increases the compressor work
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increases the turbine work
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decreases the thermal efficiency
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