Engineering, 23.04.2020 19:07 megan5192

A power cycle operates between two reservoirs having temperature 700 K and 300K, respectively. QH is the heat (thermal energy) received from the hot reservoir. QL is the heatrejected to the cool reservoir. Wmech represents the mechanical work produced. Please determineif the following cycles are possible and explain why?
(A). QH=700 kJ, Wmech=400 kJ, QL=300 kJ;(B). QH=700 kJ, Wmech=500 kJ, QL=200 kJ;(C). QH=700 kJ, Wmech=300 kJ, QL=600 kJ;(D). QH=700 kJ, Wmech=600 kJ, QL=100 kJ;

Answers: 2

Show answers

Another question on Engineering

Engineering, 04.07.2019 18:10

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise

Answers: 3

Answer

Engineering, 04.07.2019 18:10

Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables

Answers: 1

Answer

Engineering, 04.07.2019 18:10

Which one from below is not one of the reasons of planning failures? (clo3) a)-planner is careless. b-planner spend less time in the field but more time on the desk c)-planner is not qualified d)-planner does not have sufficient time to properly plan

Answers: 3

Answer

Engineering, 04.07.2019 18:20

Amixture of slurry and mud is to be pumped through a horizontal pipe of diameter 500 mm. the fluid behaves as a bingham plastic with a yield stress of 30 pa and viscosity 0.04 pa.s. describe the effects of the shear stress through a transverse section of the pipe by plotting the variation in shear stress and velocity profile: (i) just before the slurry starts to move (ii) as the slurry flows when the pressure gradient is double that in part (i)

Answers: 3

Answer

You know the right answer?

A power cycle operates between two reservoirs having temperature 700 K and 300K, respectively. QH is...

Questions