All of the vitamins known to be required by humans are found in:
a. meat c. grains
b. milk d. fish
B
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A flow switch may be used to detect ____ over the refrigeration coils, stopping the refrigeration compressor and starting a defrost cycle.
a. insufficient air movement b. insufficient refrigerant c. excessive air movement d. excessive refrigerant
Dirt can affect all of these sensors, EXCEPT ________
A) Low frequency (older style) MAF B) High frequency (new style) MAF C) Cold wire MAF (mass air flow sensor) D) Hot wire MAF (mass air flow sensor)
Where does the energy come from to power the water cycle (hydrologic cycle)?
What will be an ideal response?
A hydraulic press is being used to separate a bearing from a shaft. What should be used to cover the bearing during the pressing operation?
A) A fender cover B) A paper towel C) A shop cloth D) A brake drum