Air conditioner maintains the temperature of a dwelling

Assignment Help Mechanical Engineering
Reference no: EM13713298

An air conditioner maintains the temperature of a dwelling at 72 0F when it is 96 0F outside. If heat is transferred through the walls and ceiling at 35,000 BTU/hr. a) What is the minimum power required to run the air conditioner in hP and b) calculate the COP if a 2 hP pump is used.

Reference no: EM13713298

Questions Cloud

Piston-cylinder undergoes a carnot power cycle : A gas in a piston-cylinder undergoes a Carnot power cycle. The gas expands and compresses isothermally between two reservoirs at 600 K and 300 K. Determine a) the thermal efficiency, b) the percent change in the thermal efficiency if i) the hot reser..
Calculate the overall alloy composition : Micro structural analysis of a slowly cooled Al-Si alloy indicates there is a 6 volume % silicon-rich proeutectic phase. Calculate the overall alloy composition (in weight percent).
Weighted cost of capital calculation for the firm : What is the major value of the weighted cost of capital calculation for the firm and describe capital structure and how is the firm''s weighted cost of capital influence by the firm''s capital structure?
Find pitch radii and the number of teeth in pinion and gear : A gear system having velocity ratio of 4 is connected by spur gears and has a 5-inch in center distance. The diametral pitch P is to be 6 T/in and the pressure angle is 20 degrees
Air conditioner maintains the temperature of a dwelling : An air conditioner maintains the temperature of a dwelling at 72 0F when it is 96 0F outside. If heat is transferred through the walls and ceiling at 35,000 BTU/hr. a) What is the minimum power required to run the air conditioner in hP and b) calcula..
Water is heated in a closed pot on top of a stove : Water is heated in a closed pot on top of a stove while being stirred by a paddle wheel. During the process, 30 kJ of heat is transferred to the water, and 5 kJ of heat is lost to the surrounding air. The work done amounts to 500 J. determine the fin..
Heat pump system is being designed to maintain a temperature : A heat pump system is being designed to maintain a temperature of 25 0C when it is 0 0C outside. Assuming the heat transfer from the walls and roof is 4,000 MJ, determine the minimum theoretical net work input required if the cold reservoir was a) th..
Must be invested now to allow withdrawals : An amount P must be invested now to allow withdrawals of $1,000 per year for the next 15 years and to permit $300 to be withdrawn starting at the end of year 6 and continuing over the remainder of the 15-year period as the $300 increases by 6% per ye..
Make a temperature contour plot using matlab : Consider a two- dimensional, straight triangular fin of Length L= 50mm and base thickness t= 20mm. The thermal conductivity of the fin is k= 25 W/mK. The base temperature is T_b= 50 degrees Celsius, and the fin is exposed to convection conditions cha..

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  What is the heat transfer rate through conduction in watts

a room has walls and a ceiling that conduct heat from the room to the cooler outdoors. if the inside temperature is

  The gauge senses axial strain the bridge output is 1 mv for

a strain gauge that has a nominal resistance of 350 ohms and a gauge factor of 1.8 is mounted in an equal-arm bridge

  Samples2 i want a unique version of this

i want a unique version of this

  The upper block just begins to slip when the amplitude is

the two blocks in the figureoscillate on a frictionless surface with a period of 1.7 s. the upper block just begins to

  What are the temperature on the left edge of the wall the

a one dimensional wall of material kw10wmk is 50 mm thick with uniform heat generation qlsquolsquolsquo5106wm3. the

  Determine a the final pressure b the change in volume of

a piston-cylinder device contains 0.85 kg of refrigerant-134a at -10 degree celsius. the piston that is free to move

  A force f applied to an object of mass m1 produces an

a force f applied to an object of mass m1 produces an acceleration of 3.40 ms2. the same force applied to a second

  Using air properties for the combustion gases and assuming

combustion gases enter a gas turbine at 627 degc and 1.2 mpa at a rate of 2.5 kgs and leave at 527degc and 500 kpa. it

  Drmine a the temperature of the air at the compressor

the turbocharger of an internal combustion engine consists of a turbine and a compressor. hot exhaust gases flow

  The experiment is repeated with a metallic sphere of the

a small sphere of reference-grade iron with a specific heat of 447 jkgk and a mass of 0.515 kg is suddenly immersed in

  A house is losing heat at a rate of 2700 kjh per celsius

a house is losing heat at a rate of 2700 kjh per celsius temperature difference between the indoor and the outdoor

  Sketch the cycle on p-v and t-v diagram label the states

a piston-cylinder device containing water undergoes a thermodynamic cycle consisting of the following three

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd