A six 67 x 57 mm refrigerant 22 compressor operating at 30 rps indicate a refrigerating capacity of 96 kW and a power requirements of 19 kW at an evaporating temp of 50C and a condensing temp of 350 C. compute: a) clearance volumetric eff c= 5% v2=20 L/kg, h2=428 kJ/kg b) actual volumetric eff c) compression eff

A six 67 x 57 mm refrigerant 22 compressor operating at 30 rps indicate a refrigerating capacity of 96 kW and a power requirements of 19 kW at an evaporating temp of 50C and a condensing temp of 350 C. compute: a) clearance volumetric eff c= 5% v2=20 L/kg, h2=428 kJ/kg b) actual volumetric eff c) compression eff

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

an ideal reheat turbine with one stage of reheat receieves steam at 8 mpa, 480 degrees celsius. reheat pressureis 0.83 mpa and exhaust pressure is 0.0007 mpa. determine A) heat added B) effeciency cycle C) energy chargable D) engine thermal effeciency
A diesel engine compresses air whose temperature is 27°C and pressure is 95 kPa. At the end of the heat treatment the pressure in the cylinder becomes 7.2 MPa and the temperature is 1900°C. Calculate : a) compression ratio of the engine b) Cutoff ratio c) Thermal efficiency of the engine d) Average effective pressure
Hydrodynamics pumps 4. A system at sea level has the following conditions: water temperature: 70oC; suction lift: 3.0 m; suction head loss: 0.575 m. Determine the NPSH available for the system, m. a. NPSH available Answer : ____________________ m
Q2/ In simple refrigeration system uses R134a, the evaporator pressure is 0.25 MPa and the condenser pressure is 1. MPa. The evaporator load is 25 TR. Determine the required work to operate the compressor motor in (a) kW, (b) hp. What is the displacement volume of the compressor if the volumetric efficiency is 80%
b) Explain with suitable sketches the function of i) Components in the vapour compression cycleii) The indoor unit and outdoor unitiii) Cooling toweriv) Chiller
Question 2 A refrigeration cycle operates with R-134a. State 1 State 2 TA 15 psia 180 psia Saturated liquid 0 °F 200 °F QH If QL flow rate m, the work in Win, the compressor efficiency 7., and the volumetric flow rate V. 144,000 Btu/hr, find the COP, the mass %3D Win m = %3D 4° 4. Saturated vapor Win =
If the frequency of the pump is halved, what will happen to the power consumed? P0 = initial power consumption A. 1/8 P initial B. 2 P initial C. 1/4 P initial D. 4 P initial
In a condenser containing air and water, the air pressure is 13 kPa abs. what is the gage pressure in Kpa at a point 1.24 m below the water surface? a. 100.49 kPa b. 35.16 Kpa c. 126.49 Kpa d. -58.16 kPa e. -76.16 kPa
An ammonia simple saturation cycle operates at 35 psia suction pressure and 172 psia condenser pressure. For a load of 1600 Btu per minute, determine: a) The refrigerating effect b) The COP c) The gallons per minute ( GPM ) of cooling water in the condenser if water temperature is increased by 10 F.
Water vapor enters a continuous flow turbine at 9 MPa pressure, 500oC temperature and 60 m/s velocity, 20 kPa pressure and 95 percent dryness.degree, with a speed of 180 m/s. The turbine power is 10 MW and 5% of its power is heat transfer to the environment.a) Find the mass flow rate of the steam passing through the turbine. b) Find the inlet and outlet cross-sectional areas of the turbine. c) Calculate the adiabatic efficiency of the turbine.