1. Insystem, no mass can cross its boundary. However, it only allows energytransfer across its boundaryo Control systemo Closed systemo Isolated system2. Heat transferred to a system and work done by a system are always positive.o Trueo False3.——is a device that decreases the velocity of a fluid by increasing its pressure.o Nozzleo Diffusero Compressoro Turbine4. A heat engine may not reject any heat to a low-temperature reservoir and stillcan complete a cycle.o Trueo False5. Heat is removed from the compartment of a refrigerator at a rate of 250 kJ/min. Therefrigerator consumes 0.8 kW, determine the COP of the refrigerator.6. It has been proved experimentally by joule that the internal energy is a function ofo Temperature onlyo Pressure onlyo Volume onlyo All together7. The combination of flow energy and internal energy gives -8. A process during which there is no heat transfero Adiabatico Isentropico Polytropico Isothermal9. Heat is transferred to a heat engine from a furnace at a rate of 80 MW. If the rate ofwaste heat rejection to a nearby river is 50 MW, determine the thermal efficiency.10. The-is related to the molecular structure and activity of a system.o Potential energyo Internal energyo Kinetic energyo Total energy

1. In system, no mass can cross its boundary. However, it only allows energy transfer across its boundary ———- o Control system o Closed system o Isolated system 2. Heat transferred to a system and work done by a system are always positive. o True o False 3. - is a device that decreases the velocity of a fluid by increasing its pressure. o Nozzle o Diffuser o Compressor o Turbine temperature reservoir and still

1. In system, no mass can cross its boundary. However, it only allows energy transfer across its boundary ———- o Control system o Closed system o Isolated system 2. Heat transferred to a system and work done by a system are always positive. o True o False 3. - is a device that decreases the velocity of a fluid by increasing its pressure. o Nozzle o Diffuser o Compressor o Turbine temperature reservoir and still

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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