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Ideal vapor-compression refrigeration cycle
An ideal vapor-compression refrigeration cycle, with ammonia as the working fluid, has an evaporator temperature of -20c and a condenser pressure of 12 bar. Saturated vapor enters the compressor, and saturated liquid exits the condenser. The mass flow rate of the refrigerant is 3 kg/min. Determine:
-the coefficient of performance-the refrigerating capacity, in tons
Lift coefficient (Cl) and lift (L), An airfoil of surface area 1ft squared is tested for lift (L) in a wind tunnel. At an angle of attack of 5 degrees with standard air of density 0.0024 slugs/ft cube at a speed of 100 ft/sec
A piston-cylinder device contains 0.8kg of steam at 300 degrees C and 1 MPa. Steam is cooled at constant pressure until one-half of the mass condenses.
what would be the formula to find out weld pressure adjustments when atm inside the tube is changed?
Determine the minimum no of teeth required on pinion in order to avoid interference which is to gear with 1 a wheel to give a gear ratio of 3 to 1
Evaluate the maximum theoretical power that can be developed by the turbine, in kW, and the corresponding exit temperature.
Assume that viscous effects are negligible Plot this data using appropriate dimensionless groups
Assuming that the bomb is perfectly insulated what is the temperature of the air in the bomb at the end of filling process? Assume air is an ideal gas with constant specific heats in a ratio Cp/Cv = γ = 1.4 and constant R= 287 J/kg K.
Calculate the crack length after cycles and subjected to a cyclic stress normal to the crack
Applied Loads, Young's modulus, Poisson's ratio, The Young's modulus and the Poisson's ratio for copper are 124.8 GPa and 0.36 respectively. When a tensile load is applie to a 1.5cm diameter copper rod
Energy in the home, personal energy use and home energy efficiency and Efficient use of ‘waste' heat and renewable heat sources
Bubble dynamics underneath a downward facing anode in Hall-Heroult cell. Experimental using Hall-heroult process.Analysis by using High Speed Camera and ANSYS Model.
Find the capacity of a cylindrical tank that is 250 feet in diameter and 30 feet high? In the above problem, what is the capacity if the tank is 75% full, and what is the capacity in gallons?
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