What is the primary function of a receiver?
a. Store refrigerant on TEV systems and systems with HPR valves.
b. Prevents compressor from floodback during hot pull-downs.
c. Keeps head pressure up during low ambient conditions.
d. Allow the system to be pumped down for repairs to the high side of the system.
a. Store refrigerant on TEV systems and systems with HPR valves.
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Rikardo has contracted to work 152 hours this month. So far he has completed 91 hours of his contract. What percent of the contract has he fulfilled?
What will be an ideal response?
____________________ is a force that slows or prevents motion of two moving objects or surfaces that touch.
Fill in the blank(s) with the appropriate word(s).
What is required to test the NOP of a hydraulic injector?
A. OEM software B. bench test fixture C. ultrasonic bath D. pressure pulse, line transducer
A group of 50 computer science students were taught introductory computer programming class with an innovative teaching method that used a graphical interface and drag-and-drop methods of creating computer programs. At the end of the class, 43 of these students said that they felt confident in their ability to write computer programs. Another group of 40 students were taught the same material using a standard method. At the end of class, 25 of these students said they felt confident. Assume that each class contained a simple random sample of students. Find a 99% confidence interval for the difference between the proportions of students who felt confident.
What will be an ideal response?