Engineering, 18.06.2020 23:57 cardsqueen
Consider a U-tube whose arms are open to the atmosphere. Now equal volumes of water and light oil (rho = 49.3 lbm/ft3) are poured from different arms. A person blows from the oil side of the U-tube until the contact surface of the two fluids moves to the bottom of the U-tube, and therefore, the liquid levels in the two arms are the same. If the fluid height in each arm is 33 in, determine the gage pressure exerted by the person on the oil by blowing.
Answers: 2
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The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite
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Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.
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Engineering, 04.07.2019 18:20
Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.14 mpa and -10°c at a rate of 0.05 ka/s and leaves at 0.8 mpa and 50°c. the refrigerant is cooied in the condenser to 0.72 mpa and 26'c. it is then throttled to 0.15 mpa. sketch the t-s diagram for the system and evaluate: 6) the rate of heat removai from the refrigerated space (kw), it) the power input to the compressor (kw), ii) the isentropic efficiency of the compressor (%), and iv) the cop of the refrigerator.
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Engineering, 04.07.2019 19:10
What is a monomer? how do they form a ploymer from the view point of chemical bonding?
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Consider a U-tube whose arms are open to the atmosphere. Now equal volumes of water and light oil (r...
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