Engineering, 05.10.2019 10:00 21marmong
Agas contained within a piston cylinder assembly undergoes two processes a and b between states 1 and 2. p1=10 bar, v1= 0.1m^3, u1=400kj, p2=1 bar, v2=1.0 m^3, u2= 200kj. pv= constant in process a. constant volume process followed by a constant pressure process in process b. for each process, sketch the pv diagram and evaluate w12 and q12 associated with each process in kj.
Answers: 1
Engineering, 04.07.2019 08:10
Which of the following is an easy way to remember the modified “x” tire rotation? a. nondrive wheels straight, cross the drive wheels b. drive wheels straight, cross the nondrive wheels c. drive wheels crossed, nondrive wheels straight d. drive wheels crossed, nondrive wheels crossed
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Engineering, 04.07.2019 18:10
The thermal expansion or contraction of a given metal is a function of the f a)-density b)-initial temperature c)- temperature difference d)- linear coefficient of thermal expansion e)- final temperature f)- original length
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Engineering, 04.07.2019 18:20
For a gate width of 2 m into the paper, determine the force required to hold the gate abc at its location.
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Engineering, 04.07.2019 19:20
Determine (a) the maximum thermal efficiency of reversible power cycles operating between a hot reservoir at 1000°c and a cold reservoir at 200°c and (b) the maximum cops for reversible refrigeration and heat pump cycies, respectively, between 28°c and 14°c.
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Agas contained within a piston cylinder assembly undergoes two processes a and b between states 1 an...
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