Most digital circuits represent binary values using ________
A) 0 V and +5 V B) -12 V and +12 V C) -5 V and +5 V D) -5 V and 0 V
A
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Which of the following is one of the major elements included in an Emergency Action Plan?
A) Evacuation procedure B) Procedures for employees who are required to stay behind C) A procedure to account for all employees after evacuation D) All of the above
Why are chillers often used to cool large buildings?
a. Chillers use less refrigerant than other units. b. Refrigerant piping is small because of low pressures. c. Refrigerant piping is small because of high pressure. d. Water piping is less expensive to install.
It is desirable never to lock the wheels during an emergency stop in all types of road conditions
Indicate whether the statement is true or false
What prevents the oil pressure safety control from de-energizing a compressor immediately after start-up?
What will be an ideal response?