TOP MCQ
APPLIED THERMODYNAMICS OBJECTIVE TYPES QUESTIONS WITH ANSWERS.
Here may be a list of Top MCQ of Applied Thermodynamics Objective Type Questions And Answers provided for the AKTU and ALL OTHER UNIVERSITIES EXAMINATIONS. All the MCQ questions are most vital for AKTU especially. These sort of Objective questions are going to be asked in Diploma and Degree Internal Examinations.
1. Here are some more
effective ways to increase the efficiency of your Carnot engine:
(A) Raise the high temperature
(B) Lower the high temperature
(C) Raise the low temperature
(D) Lower the low temperature
2. Which of the
following has the smallest atomic weight?
(A) Sulfur
(B) Nitrogen
(C) Oxygen
(D) Carbon
3. The process that
occurs in an open system allows that mass transfer to the system and from the system are known as follows:
(A) Flow process
(B) Non-flow process
(C) Insulation process
(D) None of these
4. The change in
entropy
(A) Heat transfer
(B) Mass transfer
(C) Change in temperature
(D) Thermodynamic state
5. For the reversible
insulation process, the change in entropy is as follows:
(A) Maximum
(B) Minimum
(C) Zero
(D) Negative
6. Carnot cycle
(A) Reversible engine
(B) Irreversible engine
(C) Gasoline engine
(D) Diesel engine
7. What is the
efficiency of the diesel cycle?
(A) Increased cutoff
(B) Constant cutoff
(C) Reduction of cutoff
(D) None of these
8. The amount of heat
required to raise the temperature of a unit mass of gas by one degree in a
certain volume is called.
(A) Kilojour
(B) Specific heat at a constant
volume
(C) Specific heat at constant pressure
(D) None of these
9. Temperature
measurement is based on
(A) Thermodynamic characteristics
(B) Zero law of thermodynamics
(C) First law of thermodynamics
(D) Second law of thermodynamics
10. What is the efficiency of the Carnot cycle?
(A) Characteristics of the medium/substance use
(B) Engine status
(C) Working conditions
(D) Operating temperature range
11. Compressed air
coming out of punctured soccer
(A) It gets hot
(B) It gets cooler
(C) Stay at the same temperature
(D) It may be hot or cold depending on the humidity of the surrounding air.
12. The water
contained in the beaker can be boiled by passing steam through the beaker.
(A) At atmospheric pressure
(B) At a pressure higher than
atmospheric pressure
(C) Arbitrary pressure
(D) Impossible
13. During the
throttling process
(A) No heat exchange
(B) Do not work by expanding steam
(C) No change in the internal energy of steam.
(D) All of the above
14. The energy of
molecular motion is displayed as
(A) Heat
(B) Potential energy
(C) Surface tension
(D) Friction
15. The compression
ratio of the diesel engine
(A) 15-20
(B) 5-8
(C) 3-6
(D) 20-30
16. Diesel cycle
efficiency approaches Otto cycle efficiency within the following cases:
(A) Cutoff is reduced
(B) The cutoff is constant
(C) Cutoff increases
(D) The cutoff is zero
17. consistent with
Clausius' second law of thermodynamics statement
(A) Heat can't be transferred from a coffee temperature source to a heat source
(B) By employing a refrigeration cycle, heat is often transferred from a coffee temperature to a heat source.
(C) If the COP of the method is bigger than 1, heat is often transferred from cold to hot heat sources.
(D) Heat can't be transferred from
cold to hot sources without the assistance of external energy
18. Thermal power
station
(A) Carnot cycle
(B) Joule cycle
(C) Rankine cycle
(D) Otto cycle
19. Relative atomic
mass of oxygen is?
(A) 14
(B) 16
(C) 18
(D) 121
20. what's the
insulation process?
(A) The temperature of the gas changes
(B) Heat doesn't enter or leave the gas
(C) Changes in internal energy are adequate to the mechanical work done
(D) All of the above
21. Which of the
subsequent is an irreversible cycle?
(A) Carnot
(B) Sterling
(C) Ericsson
(D) Neither of the above
22. The Otto cycle
consists of the subsequent four processes
(A) Two isothermals and two isentropic
(B) Two isentropic processes and two
constant volumes
(C) 2 isentropic, 1 const. volume, 1 const. pressure
(D) Two isentropic and two constant pressures
23. The efficiency of
the Carnot engine
(A) Working substance
(B) Engine design
(C) Engine size
(D) Source and sink temperatures
24. When an
equivalent compression ratio and therefore the same heat are applied
(A) The Otto cycle is more efficient
than the diesel cycle
(B) Otto cycle is less efficient than diesel cycle.
(C) Efficiency depends on other factors
(D) Both the Otto cycle and therefore the diesel cycle are equally efficient
25. Which of the
subsequent explanations is incorrect?
(A) Liquid fuel features a higher calorific value than solid fuel
(B) Solid fuel features a higher
calorific value than liquid fuel
(C) Good fuel must have a coffee ignition point
(D) Liquid fuel consists of hydrocarbons
26. The compression ratio of the internal-combustion engine
(A) 3-6
(B) 5-8
(C) 10 to twenty
(D) 15-30
27. what's the
efficiency of the Carnot cycle?
(A) internal-combustion engine
(B) internal-combustion engine
(C) external-combustion engine
(D) Reversible engine
28. the quantity of
warmth required to boost the temperature of a unit mass of gas by one degree
during a certain volume is named.
(A) heat at a continuing volume
(B) heat at constant pressure
(C) Kilojour
(D) None of those
29. The diesel cycle
consists of 4 processes:
(A) Two isothermals and two isentropic
(B) Two isentropic processes and two constant volumes
(C) 2 isentropic, 1 const. volume, 1
const. pressure
(D) Two isentropic and two constant pressures
30. Efficiency of the
Stirling cycle compared to the Carnot cycle if both the Stirling cycle and
therefore the Carnot cycle operates
within equivalent temperature limits.
(A)more
(B) Less
(C) Equal
(D) Depends on other factors
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