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(a) Describe that internal energy is property of the system.
(b) one kg of air at 1 bar and 300k is compressed adiabatically till its pressure becomes 5 times the original pressure. Then it is expanded at constant pressure and finally cooled at constant volume to return to its original conditions. Evaluate heat transfer, internal energy and work transfer for each process and for the cycle. Show the process on p-v diagrams.
The temperature limits of an ammonia refrigerating system are 25 O C and - 10 O C. if the gas is dry at the end of compression, determine the coefficient of performance of the cycl
Three forces act on particle: Thr ee forces act on particle ' O ' as shown in the figure given below. Determine the value of ' P ' such that resultant of these three forces
calculate the vertical reaction at A in Newtons
causes and remedy of coldshut,misruns,shirnkage cavity,microporosity,metal penetration,mismatch
Write the velocity relationship in orthogonal cutting. A bar of 75 mm dia. is reduced to 73 mm by a cutting tool while cutting orthogonally. If the mean length of cut chip is 73.5
Determine the resultant of the system of forces: Four forces act on a body as illustrated in Figure. Determine the resultant of the system of forces. Figure Sol
Find out the quality: ABC industries manufacture X-band radar scanners utilized to detect speed traps. The printed circuit boards in the scanners are bough from an outside ven
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A rotor has the given properties : If the shaft is balanced by two counter masses located at 100 mm radii and revolving in planes midway of plan 1 and 2 and midway of 3 and
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