Thermodynamics Test Questions Start Creating PDF
Thermodynamics Test Questions, this topic has 329 mcqs, It takes five to ten minutes to complete this free thermodynamics test questions test. You will see 4 or 5 option of each question. You must choose / think only one option and then press on answer key for check right answer. Practice "thermodynamics test questions" MCQs and share with your friends, brothers, sisters.
thermodynamics test questions (Total Quiz: 329)
MCQ: The formation of scale boiler leads to
- decrease in efficiency of boiler
- increase in efficiency of boiler
- increase in heat transfer
- decrease in maintenance of boiler
A
MCQ: What is the pH value of water permissible for boiler?
- 0
- 7
- slightly less than 7
- slightly more than 7
D
MCQ: When the rate of evaporation of water is zero, the relative humidity of the air is
- 0%
- 100%
- 50%
- unpredictable
B
MCQ: The dew point temperature is less than the wet bulb temperature for
- saturated air
- unsaturated air
- both saturated and unsaturated air
- none of the above
B
MCQ: At 100% relative humidity, the wet bulb temperature is
- lower than the dew point temperature
- higher than the dew point temperature
- equal to the dew point temperature
- none of the above
C
MCQ: What is the perfect condition for dehumidification of air?
- air is heated above its dew point temperature
- air is cooled up to its dew point temperature
- air is heated below its dew point temperature
- air is cooled below its dew point temperature
D
MCQ: The gas-refrigeration system is
- more heavy and bulky than the vapour compression cycle
- less heavy and bulky than the vapour compression cycle
- same in construction with the vapour compression cycle
- none of the above
B
MCQ: How is the COP of gas-refrigeration cycle compared with the COP of vapour compression cycle, for the same capacity?
- the COP of gas-refrigeration cycle is lower than the COP of vapour compression cycle, for the same capacity
- the COP of gas-refrigeration cycle is higher than the COP of vapour compression cycle, for the same capacity
- the COP of gas-refrigeration cycle is same as the COP of vapour compression cycle
- none of the above
A
MCQ: The sum of partial volumes of all gases in a mixture is equal to
- less than the total volume of the mixture
- the total volume of the mixture
- more than the total volume of the mixture
- cannot predict
B
MCQ: What is the partial volume of a gas in a mixture?
- volume occupied by a single gas alone of a mixture at the same temperature and pressure of the mixture
- total volume of the mixture at a certain pressure and temperature divided number of gases mixed in the mixture
- both a. and b.
- none of the above
A
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