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Question: A refrigerant flows into an expansion valve with the following properties: Vel = 35 m/s; e=184.56 kJ/kg. If the potential energy can be considered zero, determine the specific internal energy. (kJ/kg)
the atmosphere on mars is comprised of mostly carbon dioxide at a pressure of 600 pa that is not a mistake it is in pa.
water flowing in a horizontal 30 cm diameter pipe at 5 ms and 300 kpa gage enters a 90o bend reducing section which
what are the reaction forces of a pendulum at the pivot point at angles 0 45 and 90 from the horizontal. the pendulum
Certifications usually are classified based on the computer industry area to which they most closely relate: application software, operating systems, programmer/developer, hardware, networking, digital forensics, security, the Internet, and databa..
A symmetric sphere, of radius a and mass M, has its centre a distance b (b > a) from an infinite plane containing a uniform distribution of mass σ per unit area. Find the gravitational force exerted on the sphere.
Calculate the heat transfer from the products per amount of substance of CO2 in the gases leaving the heat exchanger if dissociation can be neglected at the lower temperature.
A closed, rigid tank is filled with a gas modeled as an idea gas, initially at 27 degrees C and a gage pressure of 300 kPa. The gas is heated, and the gage pressure at the final state is 367 kPa. Determine the final temperature, in C. The local atmos..
calculate the cost per piece of a milling operation that is used to machine a pocket of 2x3x0.5 lxwxd. the material
a rectangular tank open to the atmosphere is filled with water to a depth of 2.5 m as shown. a u-tube manometer is
Major overhaul expenses of $5,000 each are anticipated for a large piece of earthmoving equipment. The expenses will occur at EOY four and will continue every three years thereafter up to and including year 13. The interest rate is 12% per year.
A mild steel plate of thickness 15 mm has a 50 mm diameter hole punched in it. If the ultimate shear stress of the steel is 275 MPa, determine (a) the punching force required, (b) the compressive stress in the punch.
A horizontal stream of water is directed at the windscreen of a truck , as shown in the drawing.The flow rate of the water is 8 litres/s and the diameter of the nozzle is 50 mm.
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