The preferred method for raising the pressure of a low-pressure chiller in order to test for leaks is:
A) Charging the chiller with R-410A. B) Adding nitrogen to the evaporator.
C) Circulating warm water through the chiller. D) Adding more refrigerant.
C
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When using the _______________ contactor across the line full voltage motor starting method, the electrical supply power to the motor is either full on, or completely off.
Fill in the blank(s) with the appropriate word(s).
The term ____________________ field development refers to when a housing development is constructed on agricultural or other land that has not previously been developed
Fill in the blank(s) with correct word
The reaction for photosynthesis is as follows: C6H12O6 + 6 O2 ¯¯¯» 6CO2 + 6H2O + energy (ATP and heat)
Indicate whether the statement is true or false
____________________ are text files that contain sequences of UNIX/Linux commands.
Fill in the blank(s) with the appropriate word(s).