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A thermoelectric device cools a small refrigerator and discards heat to the surroundings at 25C. The maximum electric power for which the device is designed is 100Watts. The heat load on the refrigerator (heat leaking through walls which must be removed) is 350J/s. What is the minimum temperature that can be maintained in the refrigerator?
If the curve were not banked, what would be the minimum coefficient of friction between tires and road that would keep traffic from skidding out of the turn when traveling at 85 km/h?
The humidity of air can be determined by use of two different thermometers; a 'dry bulb' thermometer and a 'wet bulb' thermometer. explain how these thermometers can be used to estimate the amount of water vapour in the air.
A car accelerates uniformly rest to 81 ft/s over a distance of 700 ft along a curve of 800ft radius .Determine the magnitude of the total acceleration at the instant that speed of 81ft is reached.
a cylindrical specimen of a brass alloy 10.0 mm 0.39 in. in diameter and 120.0 mm 4.72 in. long is pulled in tension
What is the total force reaction (magnitude) at pin joint O when the square plate is released from rest? Assume the plate has a uniform thickness.
a large tower is to be supported by a series of steel wires.it is estimated that the load on each wire will be 11100N. determine the minimum required wire diameter assuming a factor of safety of 2 and a yield strength of 1030MPa.
Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 18 MPa. The condenser pressure is 6 kPa. How do I determine the quality of the fluid at the turbine exit
air enters a compressor at 14 psia 80 f with negliible speed and is discharged at 70 psia 500 f with a speed of 500
a normal shock wave exists in mach 2 stream of air having temperature and pressure of 45degf and 30 psia respectively.
Determine the resulting change
power system assignmentthe assessment to design a substation and the associated protection system. the transformer is
for the following given states find the reguired region i.e. phase or property of water.a given p 400kpa v 0.001084 m3
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