The initial condition of air in an air compressor is 138 kPa and 41 deg. C and discharges at 447 kPa. The bore and stroke are 368 mm and 423 mm, respectively. The percent clearance of 10 % running at 366 rpm. Find the volumetric efficiency. Do not multiply the final answer by 100. Simply input the answer using 2 decimal places (Example answer is 0.71

The initial condition of air in an air compressor is 138 kPa and 41 deg. C and discharges at 447 kPa. The bore and stroke are 368 mm and 423 mm, respectively. The percent clearance of 10 % running at 366 rpm. Find the volumetric efficiency. Do not multiply the final answer by 100. Simply input the answer using 2 decimal places (Example answer is 0.71

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter1: Heat, Temperature, And Pressure

Section: Chapter Questions

Problem 17RQ: Convert 22C to Fahrenheit.

See similar textbooks

Similar questions

1. A 451 mm x 491 mm air compressor has a piston displacement of 0.9 m^3/s. Determine the operating speed of the compressor (rpm) Answer in whole number 2. The initial condition of air in an air compressor is 99 kPa and 30 deg. C and discharges at 438 kPa. The bore and stroke are 374 mm and 395 mm, respectively. The percent clearance of 11 % running at 356 rpm. Find the volume of air at suction in m^3/s Answer in one decimal places 3. A single stage air compressor hadles 0.454 m^3/sec of atmospheric pressure, 27 deg. C air, and delivers it to a receiver at 652.75kPa. Compression is isothermal. Determine the work in kW 4. An air compressor is to compress 8.878 m^3/min from 98.881 kPa to 988.493 kPa. Assuming condition is ideal, and n=1.3 What will be the work in kW due to 2 staging Answer in whole number
An engine cylinder has a compression ratio (r) of 7.5, a clearance volume of 35 cm3 and a piston stroke length of 325 mm. What is the bore diameter in millimetres (mm) for the engine cylinder to the nearest mm.
A single acting, twin cylinder, Ammonia compressor with bore equal to stroke is driven by an engine at 250 rpm. The machine is installed in a chilling plant to produce 700 kW of refrigeration at -18°C evaporating temperature. At this temperature the cooling effect per kg mass is 1160 kJ. The specific volume of vapor entering the compressor is 0.592 m³ per kilogram. Assume 85% volumetric efficiency, determine the bore in mm. A. 400 mm С. 450 mm В. 300 mm D. 500 mm
The bore and stroke of an air compressor are 276mm and 164mm, respectively. If the piston displacement is 0.049m3/sec, what is the operating speed of the compressor? complete soln tnx.
The bore and stroke of an air compressor are 276mm and 164mm, respectively. If the piston displacement is 0.049m3/sec, what is the operating speed of the compressor?
2- Diesel engine, six cylinders is tested at 4750 rpm, the pressure and temperature of the air entering the engine are 1.2bar, and 25 if the bore of cylinder is 80 mm and stroke 120 mm ,take air fuel ratio is 12:1, the specific fuel consumption is 0.52kg/kWh, and the brake power is equal 94 kW find the following: fuel consumption m'f = kg/ sec the air consumption engine capacity.: the flow rate of air intake to cylinder the Volumetric efficiency
URGENT Please answer this problem in 30minutes. I need correct answers with complete and step by step solution. Box the final answers. Do not shortcut your solution. I will give an upvote if it satisfies. Thank you! If the velocity of water is 8 m/s and the pressure is 140 kPa on the discharge side of a pump. a. What is the head of the pump if the velocity is 4 m/s and the pressure is 90 kPa on the suction side of the pump? b. How much power is required to drive it if the diameter of the suction side is 600mm? c. If the pump is rated at 120hp, what is the efficiency of the pump neglecting energy losses in the system?
Q2 An automotive engine has a bore of 90 mm; the stroke is 110 mm; and the length of the connecting rod is 166 mm Knowing that the volume of the combustion chamber is 75 cm³ and the intake valve closes 18° crank angle degree after BDC. If injection Started 10 degrees before TDC and ends 40 degree after TDC. And the engine is running at 3000 rpm. a. Calculate the geometrical compression ratio and the actual compression ratio? b. Find the ratio between the maximum speed of the piston to the mean piston speed for this engine? c. Find the injection period
What is the engine bore (in mm) required for good volumetric efficiency for an engine with two inlet and two exhaust valves, stroke of 90 mm, inlet air temperature of 332 K, exhaust temperature of 900 K, engine speed of 8200 rpm and exhaust valve diameter Assume specific heat ratio =1.3, R = 287 J/kg.K, and an average inlet flow coefficient 0.4 and an average exhaust flow coefficient 0.5. mm (each). Select one: O a. 96.57 O b. 70.23 O c. 105.2 O d. 91.05 O e. 82.71
Draw the right diagram for the problem. Show complete solution. Water at 60 F from a lake through 500 ft if 4in ID cast iron pipe at a water turbine 250 ft below the surface of the lake. After flowing from the turbine, the water is discharged into the atmosphere through a horizontal 50 ft section of the same pipe. The turbine power output is 10hp when the water in the discharged pipe is flowing at 5 ft/s. a. What is the turbine efficiency defined as the actual power output of the turbine divided by the power output that would be withdrawn if there are no friction within the turbine? b. If the turbine were by passed, what would be the flow rate of water through the 500 ft of 4in pipe?
Completely solve. Box the final answers. WRITE LEGIBLY OR TYPEWRITE THE SOLUTIONS A 20 hp pump with a suction from an open reservoir (10 m above the pump) has a flow rate of 125 m3/hr and a suction pipe of 150 mm diameter. Determine the discharge pressure of the pump if it pumps water to a tank 15 m above the pump. Discharge pipe diameter of the pump is 100 mm.
Convert 22C to Fahrenheit.