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Air at 30 celcius and 2 MPa flows at steady state in a horizontal pipeline with a velocity of 25m/s . it passes through a throttle valve where the pressure is reduced to 0.3 MPa . the pipe is the same diameter upstream and down stream of the valve. What is the outlet temperature and velocity of the gas? assume air is an ideal gas with a temperature independant Cp=7R/2 and the average molecular weight of air is 28.8.
Saturated water vapor at 200oC is isothermally condensed to a saturated liquid in a piston-cylinder device. Calculate the heat transfer and the work done during this process in kJ/kg.
a stationary radar operator determines that a ship is 19 km south of him. an hour later the same ship is 16 km
A) Calculate the velocity in the tunnel test section. B) Compute the total pressure at the test section.
I would expect somthing like the requirement to execute the equation, please explain each term in the equation with its engineering units.
how to find the change in diameter of a cylinder of 225mm length, 25mm diameter and a load of 180Km?
How many engagement points on the flywheel would be necessary to make this machine safe
an airplane flying at a speed of 180 mph at an altitude of 40ft drops a large package at point a. the package has a
a 2-kg sphere a is moving toward the right at 4 ms when it strikes the end of a 5 kg slender bar b. the coefficient of
the condenser of a refrigeration cycle is basically a heat exchanger in which a refrigerant is condensed by rejecting
A Brayton gas turbine cycle has two stages of compression and two stages of expansion. The pressure ratio across each stage of the compressor and turbine is 3. The air enters each stage of the compressor at 300K and each stage of the turbine at 1..
two concentric helical compression springs made of steel and having the same length when loaded and when unloaded are
A steel tape is used to measure a distance of 20 m at a 10 0C. Assuming that the tape will measure the true distance when the temperature is 20 0C. What would be the indicated distance at 10 0C? What would be the indicated distance at 400C?
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