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A heat pump with R-134a as the working fluid is used to keep a space at 25 deg C by absorbing heat from geothermal water that enters the evaporator at 50 deg C at a rate of 0.065 kg/s and leaves at 40 deg C. The refrigerant enters the evaporator at 20 deg C with a quality of 23 percent and leaves at the inlet pressure as saturated vapor. The refrigerant loses 300 W of heat to the surroundings as it flows through the
compressor and the refrigerant leaves the compressor at 1.4 MPa at the same entropy as the inlet.
Determine
a. the degrees of subcooling of the refrigerant in the condenser,
b. the mass flow rate of the refrigerant,
c. the heating load and the COP of the heat pump, and
d. the theoretical minimum power input to the compressor for the same heating load.
Short Paper on Cross-cultural Opportunities and Conflicts in Canada.
Sociology are very fundamental in nature. Role strain and role constraint speak about the duties and responsibilities of the roles of people in society or in a group. A short theory about Darwin and Moths is also answered.
This review will help the reader understand the social work profession through different concepts giving the glimpse of why the social work profession might have drifted away from its original purpose of serving the poor.
Schizophrenia does not really have just one single cause. It is a possibility that this disorder could be inherited but not all doctors are sure.
Individual Assignment : Two Models Handout and Rubric, This paper will allow you to understand and evaluate two vastly different organizational models and to effectively communicate their differences.
The following report includes the description about the organization, its strategies, industry analysis in which it operates and its position in the industry.
In this study, we examine how gasoline price volatility and income of the consumers impacts consumer's demand for gasoline.
Economics thesis undergrad 4th year paper to write. it should be about 22 pages in length, literature review, economic analysis and then data or cost benefit analysis.
The paper aims to highlight the global trends in countries and regions where 3G has already been introduced and propose an implementation plan to the telecom operators of developing countries.
Prepare the power point presentation for the case: Santa Fe Independent School District
Information literacy is critically important in this contemporary environment
Write a definition for associative property of multiplication.
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