Test: Availability & Irreversibility


10 Questions MCQ Test Thermodynamics | Test: Availability & Irreversibility


Description
This mock test of Test: Availability & Irreversibility for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. This contains 10 Multiple Choice Questions for Mechanical Engineering Test: Availability & Irreversibility (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Availability & Irreversibility quiz give you a good mix of easy questions and tough questions. Mechanical Engineering students definitely take this Test: Availability & Irreversibility exercise for a better result in the exam. You can find other Test: Availability & Irreversibility extra questions, long questions & short questions for Mechanical Engineering on EduRev as well by searching above.
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?

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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?

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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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QUESTION: 4

The exergy of an isolated system in a process

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QUESTION: 5

 Which of the following thermodynamic relation is Keenan function?

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QUESTION: 6

Which of the following function is availability function for a steady flow system?

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QUESTION: 7

The main cause for the irreversibility is

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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

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QUESTION: 9

In which one of the following processes is there an increase in entropy with no degradation of energy

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QUESTION: 10

Availability of a system at any given state is

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The Availability of a given system is defined as the maximum useful work (total work minus Pdv work) that is obtainable in a process in which the system comes to equilibrium with its surroundings.