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A mass of 12 kg of saturated refrigerant-134a vapor is contained in a frictionless piston-cylinder device at 240 kPa. Now 300 kJ of heat is transferred to the refrigerant at constant pressure while a 110 V source supplies current to a resistor within the cylinder for 6 minutes. Determine the current supplied if the final temperature is 70oC. Also, show the process on a T-v diagram with respect to the saturation lines.
when a disk rolls on a surface without slip the velocity of the point of contact of the disk with the surface is zero
assume the cost of a robotic system is 151. the salary and other costs of workers replaced is 27 the saving for using
Write a paper on Boyle's law and describe Compression and Combustion stroke . Also explain Charles's law and illustrate SI engine and CI engine.
for flow over a circular cylinder as shown below the velocity outside of boundary layer can be estimated to beux 2
Estimate the torque required at the base of a flag pole to hold it in place in a 30mph wind. Assume the flag pole is a vertical cylinder with D=10cm and L=10m, and assume the wind drag force is uniform along the pole.
The motion of a particle in defined by the relation x = t3 - 15 t2 - 20, where ‘x' is expressed in metres and ‘t' in seconds. Determine the acceleration of the particle at t = 3 seconds.
a laser is directed at a double-slit arrangement. if we increase the wavelength of the light which of the following
a projectile is fired with an initial speed of 63.3msat an angle of 43.7circ above the horizontal on a long flat firing
what are the four basic families of shape-production processes? Cite one advantage and one limitation of each family.
the hot gas supply to a propulsion nozzle is at a pressure of 55kpa and temperature of 800k. the ambient pressure is
a composite wall made up of two materials. the temperatures on the left and right faces are maintained at constant
Question about Turbomachinery - Impulse & Reaction Turbines, An impulse air turbine rotor with a blade speed (U) of 300 m/s is measured to have a relative rotor inlet velocity (W_1) of 750 m/s at an angle of 69 degrees and an outlet relative veloc..
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