Engineering, 11.06.2021 20:10 lazok
A heat pump uses a 5-hp compressor while extracting 500 Btu of energy from groundwater each minute. What is the COP (a) if the purpose is to cool the groundwater and (b) if the purpose is to heat a building
Answers: 1
Engineering, 04.07.2019 18:10
Apump is used to circulate hot water in a home heating system. water enters the well-insulated pump operating at steady state at a rate of 0.42 gal/min. the inlet pressure and temperature are 14.7 lbf/in.2, and 180°f, respectively; at the exit the pressure is 60 lbf/in.2 the pump requires 1/15 hp of power input. water can be modeled as an incompressible substance with constant density of 60.58 lb/ft3 and constant specific heat of 1 btu/lb or. neglecting kinetic and potential energy effects, determine the temperature change, in °r, as the water flows through the pump.
Answers: 1
Engineering, 04.07.2019 18:10
During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false
Answers: 2
Engineering, 04.07.2019 18:10
Machinery that is a key part of the process and without which the plant or process cannot function is classifed as: (clo4) a)-critical machinery b)-essential machinery c)-general purpose machinery d)-none of the specified options.
Answers: 1
Engineering, 04.07.2019 18:10
An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
Answers: 3
A heat pump uses a 5-hp compressor while extracting 500 Btu of energy from groundwater each minute....
Physics, 14.06.2021 14:00
History, 14.06.2021 14:00
Mathematics, 14.06.2021 14:00
English, 14.06.2021 14:00
Advanced Placement (AP), 14.06.2021 14:00
English, 14.06.2021 14:00
Business, 14.06.2021 14:00
Chemistry, 14.06.2021 14:00
Computers and Technology, 14.06.2021 14:00
History, 14.06.2021 14:00
Mathematics, 14.06.2021 14:00
Mathematics, 14.06.2021 14:00
Mathematics, 14.06.2021 14:00
German, 14.06.2021 14:00