At what point in the refrigeration cycle does the refrigerant absorb the most heat?
A) At the end of the evaporator where the gas is superheated
B) In the middle of the evaporator where the cold liquid turns to a cold gas
C) In the condenser where it changes from a gas to a liquid
D) In the compressor where it changes from a low-temperature gas to a high-temperature gas
B
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Identify the statement that is false.
A. Most of the early African immigrants gained their freedom. B. The legal difference between a slave and a servant was unclear early on in colonial history. C. Slavery in American began for economic reasons. D. Slavery was harshest in the deep South. E. Some slaves became slave owners once they were freed.
Plot the total volume as a function of temperature for 0.5 kg of hydrogen gas at 500 kPa, for temperatures varying between -50°C and 300°C. Assume the hydrogen behaves as an ideal gas.
Given: m = 0.5 kg; P = 500 kPa; H2 gas What will be an ideal response?
How does the size of irrigation pipe relate to its upstream or downstream location? Why?
What will be an ideal response?
Technician A says that a discharged battery (lower than normal battery voltage) can cause solenoid clicking. Technician B says that a discharged battery or dirty (corroded) battery cables can cause solenoid clicking. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician