Engineering, 21.08.2019 05:10 tank6492
Refrigerant-134a enters the evaporator coils placed at the back of the freezer section of a household refrigerator at 100 kpa with a quality of 20 percent and leaves at 100 kpa and -26 ℃. if the compressor consumes 600 w of power and the cop the refrigerator is 1.2, determine (a) the mass flow rate of the refrigerant and (b) the rate of heat rejected to the kitchen air.
Answers: 3
Engineering, 03.07.2019 23:20
Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct
Answers: 3
Engineering, 04.07.2019 18:10
Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
Answers: 2
Engineering, 04.07.2019 18:10
The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody
Answers: 2
Engineering, 04.07.2019 18:20
An engine runs on the ideal diesel cycle. the cycle has a compression ratio of 20 and a cutoff ratio of 2. the highest temperature in the cycle is 1200 k. if the heat into the system is 300 kj/kg of working fluid and using variable specific heats determine the work produced per mass of working fluid
Answers: 3
Refrigerant-134a enters the evaporator coils placed at the back of the freezer section of a househol...
Mathematics, 22.09.2019 22:30
Mathematics, 22.09.2019 22:30
Health, 22.09.2019 22:30
History, 22.09.2019 22:30
Mathematics, 22.09.2019 22:30
Mathematics, 22.09.2019 22:30
History, 22.09.2019 22:30
Mathematics, 22.09.2019 22:30
Computers and Technology, 22.09.2019 22:30
Biology, 22.09.2019 22:30
Biology, 22.09.2019 22:30
History, 22.09.2019 22:30
English, 22.09.2019 22:30