Engineering, 13.06.2020 19:57 gshreya2005
Two water reservoirs A and B are connected to each
other through a 40-m-long, 2-cm-diameter cast iron pipe with
a sharp-edged entrance. The pipe also involves a swing check
valve and a fully open gate valve. The water level in both
reservoirs is the same, but reservoir A is pressurized by compressed air while reservoir B is open to the atmosphere at
88 kPa. If the initial flow rate through the pipe is 1.2 L/s,
determine the absolute air pressure on top of reservoir A.
Take the water temperature to be 10°C
Answers: 3
Engineering, 04.07.2019 18:10
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
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Engineering, 04.07.2019 18:20
An engine runs on the ideal diesel cycle. the cycle has a compression ratio of 20 and a cutoff ratio of 2. the highest temperature in the cycle is 1200 k. if the heat into the system is 300 kj/kg of working fluid and using variable specific heats determine the work produced per mass of working fluid
Answers: 3
Engineering, 04.07.2019 18:20
Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 °c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.
Answers: 2
Engineering, 06.07.2019 03:10
Oxygen at 300 kpa and 400 k is in a closed system with an initial volume of 0.1 m3. is now compressed in a polytropic process, with exponent of n 1.2, to a temperature of 500 k. calculate: a) the boundary work done during the compression, in kj b) the heat transfer during the compression, in kj
Answers: 3
Two water reservoirs A and B are connected to each
other through a 40-m-long, 2-cm-diameter cast ir...
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