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The top of a car has an area of 4 m2 and is at a temperature of 40 C. It’s speed is 40 mph.
At what rate will it lose heat to surrounding air at 10 C if heat transfer coefficient is 400 W/m2C?
In the above case, if the car speed becomes 60 mph, the heat transfers will __________. (Increase/Decrease/Need More Information)
crude oil flows through a level section of the alaskan pipeline at a given rate in millions of barrels per day1 barrel
air is drawn into a small open-circuit wing tunnel as shown. atmospheric pressure is 98.7 kpa abs and the temperature
1 a toy manufacturing uses 48000 rubber wheels per year for its popular dump truck series. the firm makes its own
A vertical cylinder fitted with a piston contains air initially at 120kPa and 100C. The piston is restrained by a set of stops. The piston diameter is 0.1m, its mass is 5kg, and the ambient pressure and temperature are 100kPa and 20C. The cylinder is..
an ideal combined rankine cycle contains a reheat and a open feedwater heater this is also referred to as a
You are required to include a short tabular summary with the following four elements for the two companies you select. For each of the companies, I would like you to provide approximately a 2-page summary with the following contents:
an insulated piston-cylinder device contains 5l of saturated liquid water at a constant pressure of 175kpa. water is
calculate the quality of the system to begin with. calculate the amount of liquid water to begin with. calculate the heat transfer during the heating process.
air enters an ideal diffuser operating at steady state at 1 bar -3degc and 260 ms and exits at with a velocity of 130
Air at 20°C flows at 1 m/s between two parallel flat plates spaced 5 cm apart. Estimate the distance from the entrance where the hydrodynamic boundary layers meet.
in a spring mass system a 1kg block is dropped from a height of 1 meter on top of a spring with a spring constant k
a heat pump with a cop of 2.4 is used to heat a house. the house is losing heat to the outside at an average rate of
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