| 1. | What is the temperature for which the vapour pressure of a substance is equal to 760 mm of Hg termed as ? | |
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Triple point
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Normal boiling point
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Normal pressure point
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Normal vapour point
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Report Question| 2. | What happens when the heat supplied to the system is more than the work transfer out of the system ? | |
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Constant internal energy
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Decrease in internal energy
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Increase in internal energy
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Internal energy cannot be determined
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| 3. | The degree of disorder when two gases are mixed is ________ ? | |
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less than that of individual gases
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higher than that of individual gases
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unpredictable compared to individual gases
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same as that of the individual gases
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| 4. | A Carnot heat pump is used to maintain a room at a temperature of 27°C , the initial temperature of the room was -4°C . The heat loss from the room is 20 kW. What is the power requirement of the pump ? | |
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1
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2
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3
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4
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| 5. | Which equation best represents the entropy (s) of a system with two parts with entropy x and y respectively ? | |
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s = x+y
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s = x-y
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s < x+y
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s > x+y
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| 6. | Which of the following cycle is used in spark ignition (SI) engine ? | |
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Carnot cycle
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Diesel cycle
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Dual cycle
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Otto cycle
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| 7. | Which cycle has heat addition process carried at both constant pressure and constant volume ? | |
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Carnot cycle
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Diesel cycle
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Dual cycle
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Otto cycle
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| 8. | Which of the following factors contribute towards detonation in an engine ? | |
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Engine overheating
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High compression ratio
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Lean fuel mixture
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All option are correct
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| 9. | What is the state of meeting of saturated liquid lines with respect to vapourization and saturated vapour line on a P-V diagram of pure substance called ? | |
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Critical state
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Saturation state
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Superheated vapour state
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Vapourization state
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| 10. | Which below stated statement is INCORRECT about a reservoir of heat ? | |
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It has a constant temperature
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It is also known as thermal bath
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It has an infinite heat capacity
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There exist no real heat reservoirs
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