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Qus 1: The pressure in a tank is measured with a manometer, as shown in Figure 1. Calculate the absolute pressure in the tank if the fluid in the manometer arm is 35cm (a) lower and (b) higher (as shown) than the tank.
Qus 2: Show that the friction factor f for the laminar flow can be given by f=64/ReD
Refrigerant-134a enters the condenser of a residential heat pump at 900 kPa and 40°C at a rate of 0.02 kg/s and leaves at 900 kPa as a saturated liquid. If the compressor consumes 1.2kW of power, determine (a) the COP of the heat pump and (b) the rat..
a paperclip is made of wire 1.25mm in diameter. if the original material from which the wire is made nbspwas 15mm in
Air at 40 °C, 1 bar, and 10% RH goes through an evaporative cooler, and the outlet air is cooled to 27 °C. Find (a) the relative humidity at the outlet, and (b) the amount of water added (kg H20 per kg of air).
ln a study of the properties of a liquid a 2-kg sample of liquid was heated at a constant pressure of 1 atm from 500 to
estimate the cost an oil change 5 quarts of oil and new oil filter for your automobile at a local service station.it
consider a non-ideal vapor-compression cycle where refrigerant 134a flows at a rate of 0.05 kgs. the refrigerant enters
A 3-inch diameter orifice cut in a thin orifice plate conveys flow from a deten- tion basin with water level at elevation 472.00 feet. The center of the orifice is at elevation 467.50 feet. Find the discharge for free flow.
consider a heat exchanger that uses hot air to heat cold water. air enters this heat exchanger at 20 psia and 200
Water is the working fluid in an ideal Rankine cycle. Superheated vapor enters the turbine at 10 MPa, 4808C, and the condenser pressure is 6 kPa. Determine for the cycle (a) the rate of heat transfer to the working fluid passing through the stea..
the old rigid tank problem a tank has a volume of 600 gallons and holds 300 lbm of water at 40 psig pressure. what is
If we want to find the specific volume of superheated water vapor, which below is the most accurate method:
a fixed quantity of air at t1 60oc and p1 158 kpa is heated at constant temperature in a piston-cylinder assembly
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