Can yu do question 2 1. A boiler feedpump receives 10 °C water at a pressure of 500 kPa. The dischargepressure is 2 400 kPa. Given a pump capacity of 160 000 kg/h, and after correcting.for the temperature of the water, what is the power supplied to the water? (8 kW)2. Water is supplied to a pump at a pressure of 200 kPa. The power transferred to thewater is estimated to be 30 kW. The pump discharge pressure is 2 200 kPa and thespecific volume is 0.00106 m3/kg. Estimate the amount of water pumped in cubicmeters per min. (0.90 m3/min.)3. Air enters a compressor with a velocity of 6.0 m/s and an enthalpy of 233 kJ/kg andleaves with a velocity of 12 m/s and an enthalpy of 477 kJ/kg. Assuming adiabaticcompression and negligible change in potential energy, calculate the work required tocompress 1.0 kg of air. (244 kJ/kg)4. An air compressor is supplied with air at 101.3 kPa and a specific volume of 0.804m3/kg. The air is discharged at 700 kPa and a specific volume of 0.162 m³/kg. Theinitial and final internal energies are 37.2 kJ/kg and 114 kJ/kg respectively. Thecooling water removes 88.0 kJ/kg of air compressed. The change in kinetic andpotential energy may be neglected. Calculate (a) the specific work required, (b) thepower required given a mass flow rate of 45.6 kg/min. Also (c) if the heat beingrejected is transferred to cooling water flowing through a coil, and the cooling waterpicks up 10ºC across that coil, and the pump forcing that cooling flow has a 100 kPaAP across it, calculate the power required to drive the cooling water pump (197 kJ/kg.150 kW, 160 W)5. Wet steam is throttled from 1000 kPa to 10 kPa and 130 °C. Find the dryness fractionat state 1. [98.3%]6. Steam enters a pressure reducing valve at a pressure of 2000 kPa, dry saturated. It isthrottled adiabatically to 100 kPa. What is the temperature and internal energy of thesteam at the lower pressure. (162 °C, 2600 kJ/kg)7. A pressure reducing valve receives 5 kg/s of steam at 2MPa with a specific volume of0.1255 m³/kg and an internal energy of 2774 kJ/kg. If the pressure downstream ofthe throttle is 200 kPa and the velocity at that point is 4.25 m/s, determine to thenearest inch the required ID of the downstream piping in order to accommodate thevolume flow rate. [54.0 inches]• DVI & Dual HDMI inputs for high-definition supportho

Given data:- Power supplied to pump =30 kW Initial pressure (P1) =200kPa final pressure (P2)=2200kPa…

Water is supplied to a pump at a pressure of 200 kPa. The power transferred to the water is estimated to be 30 kW. The pump discharge pressure is 2 200 kPa and the specific volume is 0.00106 m3/kg. Estimate the amount of water pumped in cubic meters per min. (0.90 m3/min.)

Water is supplied to a pump at a pressure of 200 kPa. The power transferred to the water is estimated to be 30 kW. The pump discharge pressure is 2 200 kPa and the specific volume is 0.00106 m3/kg. Estimate the amount of water pumped in cubic meters per min. (0.90 m3/min.)

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

Chapter40: Typical Operating Conditions

Section: Chapter Questions

Problem 10RQ: The seasonal energy efficiency ratio (SEER) includes the energy used in the _____and _____cycles.

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