Engineering, 26.05.2021 16:30 halloween212
Answer to the following: a. Describe essential characteristics of the reversed Carnot cycle. b. Write down the two formulas for the coefficient of performance (COP) of reversible refrigerator and for COP of irreversible heat pump. c. Derive the relation between COPR for refrigerator and COPHP for heat pump. d. Discuss specific differences between irreversible refrigerator and reversible refrigerator.
Answers: 2
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Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives
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Inspection for bearing condition will include: (clo4) a)-color b)-smell c)-size d)-none of the above
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Derive the correction factor formula for conical nozzle i=-(1+ cosa) and calculate the nozzle angle correction factor for a nozzle whose divergence hal-fangle is 13 (hint: assume that all the mass flow originates at the apex of the cone.
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Answer to the following: a. Describe essential characteristics of the reversed Carnot cycle. b. Writ...
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