Assume the entire mass within the house

Assignment Help Mechanical Engineering

Reference no: EM13712624

Assume the entire mass within the house (air, furniture, etc) is equal to 1,670 kg of air.

A heat pump with a COP of 3.0 is used to heat an air-tight house. When running, the heat pump consumes 5 kW of power. If the temperature in the house is 5 degrees C when the heat pump is turned on, how long will it take for the heat pump to raise the temperature of the house to 19 degrees C?

Reference no: EM13712624

Questions Cloud

Explain how would steel strength be affected : We are concerned about carbon content in steel. It has a direct effect on the yield and tensile strength of what is formed in what is called a hot rolled condition directly from the steel production facility. 1010 steel has a yield strength of 180MPa..

What are the critical contemporary issues : What are the critical contemporary issues related to consumer buying behavior and perceptions?

The diameter of largest solid sphere for lumped behaviour : For plain carbon steel, with properties at 300K in the Appendix and convection (h=50 W/m^2 K) to air at 500K. the diameter of largest solid sphere for lumped behaviour (2 part- show equivalent length is D/6 and that D for Bi

Performing both an energy balance and an entropy analysis : By performing both an energy balance and an entropy analysis, calculate the change in entropy when 1 mole of saturated ethanol vapor condenses at its normal boiling point.

Assume the entire mass within the house : A heat pump with a COP of 3.0 is used to heat an air-tight house. When running, the heat pump consumes 5 kW of power. If the temperature in the house is 5 degrees C when the heat pump is turned on, how long will it take for the heat pump to raise the..

Membrane made of an isotropic material whose elastic modulus : There is a membrane made of an isotropic material whose elastic modulus and Poisson's ratio is E and v, respectively. When this membrane is elongated along x-direction with no lateral deformation in y-direction, the apparent elastic modulus (E') dete..

Find the indicial equation and its roots : Find the indicial equation and its roots. Find the recurrence relation. Use the recurrence relation to find the first three terms of the power series solution corresponding to one root of the indicial equation

Silicon rubber drain hose for surgical procedure : Silicon rubber has a Poisson’s ratio of 0.4. Consider a silicon rubber drain hose for a surgical procedure; the hose has an outer diameter of 4 mm and a wall thickness of 0.5 mm. How much does the lumen (interior space) of the catheter constrict if t..

Calculate the mole fraction of methane in the fuel : A fuel gas containing methane and ethane is burned with air in furnace, producing a stack gas at 300C and 105kPa (absolute). The stack gas contains C02 at a partial pressure of 80 mm Hg and no CO,O2, methane or ethane. Calculate the mole fraction of ..

User Account

All Pages