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A valve in an air handling system has a mass flow rate of 2.90 kg/min and a minor loss coefficient of 11.56. The valve inlet temperature is 20.0°C and the valve is insulated.
The inlet and exit pressures of the valve are 1.66 and 0.300 MPa, respectively. The air velocity through the valve is 2.70 m/s.
Assuming air to be an ideal gas with constant specific heats, determine the exit temperature and entropy production rate of the valve.
A successive approximation ADC has 4 bits and a reference voltage of 10 V. If the input voltage is 2.8 V, describe each step the ADC undergoes to determine the value of the 4 bits. What input voltage will be computed by the ADC?
Given water h=3227 KJ/Kg Temperature 400C Find specific volume, pressure, and specific internal energy. Given R-134a T=15F quality x =0.6 Find pressure, specific volume, specific enthalpy. Given Water P=4Mpa U=3000 KJ/Kg Find Temperature, and specifi..
After several months of operation, the motor of one joint of the robot was found to be faulty. An enthusiastic engineer quickly replaced the motor with an identical one
air at 1.0 atmosphere pressure and 77 0c enters a 5.0 mm i.d. tube with a bulk average velocity of 2.5 ms. the velocity
estimate the mass of ozone inhaled into the lungs by a moderately exercising individual over an eight hour period at a
Compute the fugacity’s of ethane and n-butane in an equimolar mixture at 373.15K at 1, 10, and 15 bar total pressure assuming that the Lewis-Randall rule is correct.
the system shown starts from rest and each component moves with a constant acceleration. if the relative acceleration
a car is to be hoisted by elevator to the fourth floor of a parking garage which is 48 ft above the ground. if the
steam is generated in a boiler. if the initial water enters the boiler as saturated water at 1000 psi a h542.4 btuibm
One kilogram of nitrogen gas (N2) is undergoes an isothermal compression from 1 bar, 20C to a final pressure of 12 bar. During the process, the nitrogen transfers heat through a wall to a thermal reservoir with a temperature of 10C.
plot the maximum thermal efficiency for an OTEC facility operating with a temperature difference range of 10 C
Convert the composition of the following alloy from atom percent to weight percent (a) 44.8 at% of silver, (b) 46.3 at% of gold, and (c) 8.9 at% of Cu. Assume that the atomic weights for silver, gold and copper are, respectively, 107.87, 196.97 an..
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