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An air-standard otto cycle (compression ratio of 9) absorbs 1000 Btu/lbm of air. If at the beginning of the compression stroke the pressure is 14.7 psi and the temperature is 80 F, determine:
1.p and T at each point of the cycle.
2. coefficient of viscosity.
A short post AB has a commercially manufactured eyebolt screwed into its end. Three cables attahced to the eyebolt apply forces shown.
What is the difference between corrosion and stress corrosion cracking of pipelines? Which of them is more dangerous and why?
a 50 kg winding drum 75 cm in diameter is used to reel in cable. it is moving at the rate of 2 revolutions per second.
ammonia enters a control volume operating at steady state at p1 14 bar t1 28 oc with a mass flow rate of 0.5 kgs.
brass balls each of mass 0.258 kg and initially at 130degc are quenched in a water bath at 50degc for 2 minutes at a
a 100-ft-long steel bar is suspended vertically from its upper end. the cross-sectional area of the bar is 4.0 in.
one-half kg of refrigerant-22 is contained in a piston-cylinder assembly initially saturated vapor at 5bar. the
air enters an insulated diffuser operating with steady flow and at steady state with a pressure of 0.7 bar a
the cage of a mine hoist descends part of a shaft with an acceleration of 1 ms2 and the remainder of the distance with
a molten mixture of salt nano3-kno3 is used as the heat transfer fluid for application in a parabolic trough solar
what is the flow rate required to cool and maintain 0.5 x 0.5 x 0.5 m3 volume of air at 297 K to 199 K, using nitrogen at 199 K
an insulated piston-cylinder device initially contains 0.15m3 of air at 150kpa and 22degc. the cylinder is connected to
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