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1. PMM1 states that: there can be no machine which would continuously supply mechanical work without some form of energy disappearing simultaneously. 2. The filling of a tank is an example of unsteady flow process. 3. For steam nozzle the change in potential energy is zero

1. PMM1 states that: there can be no machine which would continuously supply mechanical work without some form of energy disappearing simultaneously. 2. The filling of a tank is an example of unsteady flow process. 3. For steam nozzle the change in potential energy is zero

Automotive Technology: A Systems Approach (MindTap Course List)
Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Jack Erjavec, Rob Thompson
Chapter3: Basic Theories And Math
Section: Chapter Questions
Problem 2RQ: In what four states does matter exist? Cite examples of each.
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Q True or False 1. PMM1 states that: there can be no machine which would continuously supply mechanical work without some form of energy disappearing simultaneously. 2. The filling of a tank is an example of unsteady flow process. 3. For steam nozzle the change in potential energy is zero 4. In case of boiler the change in kinetic energy is zero. 5. For steady flow only interaction between system surroundings are work and heat. 6. Superheated steam behaves like a gas and therefore, it follows gas laws 7. Extensive properties do not depend on the mass of the system. 8. The change of internal energy for an isolated system is equal to heat and work. 9. With the use of centrifugal pump, the heat transfer is maximum. 10. For the flow in reciprocating compressor, the change in the kinetic energy is maximum
Transcribed Image Text:Q True or False 1. PMM1 states that: there can be no machine which would continuously supply mechanical work without some form of energy disappearing simultaneously. 2. The filling of a tank is an example of unsteady flow process. 3. For steam nozzle the change in potential energy is zero 4. In case of boiler the change in kinetic energy is zero. 5. For steady flow only interaction between system surroundings are work and heat. 6. Superheated steam behaves like a gas and therefore, it follows gas laws 7. Extensive properties do not depend on the mass of the system. 8. The change of internal energy for an isolated system is equal to heat and work. 9. With the use of centrifugal pump, the heat transfer is maximum. 10. For the flow in reciprocating compressor, the change in the kinetic energy is maximum
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