Mechanical Engineering Exam > Mechanical Engineering Tests > Test: Availability & Irreversibility - Mechanical Engineering MCQ
Test: Availability & Irreversibility - Mechanical Engineering MCQ
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10 Questions MCQ Test - Test: Availability & Irreversibility
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Test: Availability & Irreversibility - Question 1
Consider the following statements:
1. Availability is generally conserved
2. Availability can either be negative or positive
3. Availability is the maximum theoretical work obtainable
4. Availability can be destroyed in irreversibility
Which of these statements are correct?
1. Availability is generally conserved
2. Availability can either be negative or positive
3. Availability is the maximum theoretical work obtainable
4. Availability can be destroyed in irreversibility
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Test: Availability & Irreversibility - Question 2
A reversible power cycle operates with temperature lim its of 800 K and 300 K. If it takes 560kj of heat, then what would be the unavailable work?
Detailed Solution for Test: Availability & Irreversibility - Question 2
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Test: Availability & Irreversibility - Question 3
A heat engine receives heat from a source at 1500 K at a rate of 600 kW and rejects the waste heat to a medium at 350 K. If the power output from the heat engine is 250 kW, the irreversibility rate for the process is
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Test: Availability & Irreversibility - Question 4
The exergy of an isolated system in a process
Test: Availability & Irreversibility - Question 5
Which of the following thermodynamic relation is Keenan function?
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Test: Availability & Irreversibility - Question 6
Which of the following function is availability function for a steady flow system?
Test: Availability & Irreversibility - Question 8
Neglecting change in kinetic energy and potential energy unit mass the availability in a non-flow process becomes 
where φ is the availability function of the
Test: Availability & Irreversibility - Question 9
In which one of the following processes is there an increase in entropy with no degradation of energy
Test: Availability & Irreversibility - Question 10
Availability of a system at any given state is
Detailed Solution for Test: Availability & Irreversibility - Question 10
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