Q5) Choose the correct answer of the following and explian it . 1- In a cyclic process, heat transfers are + 14.7 kJ, – 25.2 kJ, – 3.56 kJ and + 31.5 kJ. What is the net work for this cyclic process ? (a) 15.6 kJ (c) 16.2 kJ (b) 17.34 kJ (d) 14.12 kJ 2- A frictionless heat engine can be 100% efficient only if its exhaust temperature is. (a) equal to its input temperature (c) 0°C (b) less than its input temperature (d) 0°K 3- the internal energy of one kg of steam at 14 bar under the following conditions.if the steam is 0.85 dry. (a) 2540.2 kJ/kg (c) 2816.5 kJ/kg (b) 3273.5 kJ/kg (d) 2327.5 kJ/kg
Q5) Choose the correct answer of the following and explian it . 1- In a cyclic process, heat transfers are + 14.7 kJ, – 25.2 kJ, – 3.56 kJ and + 31.5 kJ. What is the net work for this cyclic process ? (a) 15.6 kJ (c) 16.2 kJ (b) 17.34 kJ (d) 14.12 kJ 2- A frictionless heat engine can be 100% efficient only if its exhaust temperature is. (a) equal to its input temperature (c) 0°C (b) less than its input temperature (d) 0°K 3- the internal energy of one kg of steam at 14 bar under the following conditions.if the steam is 0.85 dry. (a) 2540.2 kJ/kg (c) 2816.5 kJ/kg (b) 3273.5 kJ/kg (d) 2327.5 kJ/kg
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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Transcribed Image Text:Q5) Choose the correct answer of the following and explian it.
1- In a cyclic process, heat transfers are + 14.7 kJ, – 25.2 kJ, - 3.56 kJ and + 31.5 kJ.
What is the net work for this cyclic process ?
(a) 15.6 kJ
(c) 16.2 kJ
(b) 17.34 kJ
(d) 14.12 kJ
2- A frictionless heat engine can be 100% efficient only if its exhaust temperature is.
(a) equal to its input temperature
(c) 0°C
(b) less than its input temperature
(d) 0°K
3- the internal energy of one kg of steam at 14 bar under the following conditions.if the
steam is 0.85 dry.
(a) 2540.2 kJ/kg
(c) 2816.5 kJ/kg
(b) 3273.5 kJ/kg
(d) 2327.5 kJ/kg
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