Water chillers require a(n) ____________________ in the chiller control circuit to ensure that the chilled water pump is operating before the water chiller refrigeration unit operates.
Fill in the blank(s) with the appropriate word(s).
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What mechanisms do current CVTs use to vary gear and speed ratios?
What will be an ideal response?
Technician A says that injector nozzles are either opened by the high-pressure pulse from a distributor pump or electrically by the computer on a common rail design. Technician B says that indirect injection (IDI) occurs directly into the combustion chamber. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
A cooling tower with its fan located in the air stream entering the tower, blowing the air through the tower, is:
A) A forced-draft cooling tower. B) A hybrid-draft cooling tower. C) An induced-draft cooling tower. D) A natural-draft cooling tower.
The condition where a heart stops effectively pumping blood due to an electrical shock is known as _____________________.
A. ventricular fibrillation B. cardiopulmonary resuscitation C. cardiomyopathy D. endocarditis