Two technicians are discussing the safe use of a wrench. Technician A says that a wrench should be pulled toward you. Technician B says a wrench should be pushed away from you. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
A
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How many phase rule variables must be specified to fix the thermodynamic state of each of the following systems?
(a) A sealed flask containing a liquid ethanol-water mixture in equilibrium with its vapor. (b) A sealed flask containing a liquid ethanol-water mixture in equilibrium with its vapor and nitrogen. (c) A sealed flask containing ethanol, toluene, and water as two liquid phases plus vapor.
A ____ allows a portion of the clutch to slip under high stress situations like rapid down shifting.
A. sprag B. sheeve C. centrifuge D. back limiter
Reciprocating compressors have ____.
A. a piston and cylinder B. two scrolls that mesh together C. a rotor to compress the refrigerant D. a large fan compressor component
How are the gas laws related to the mechanical compression refrigeration cycle?
What will be an ideal response?