You should wash your hands:
a. before starting food preparation c. after using the bathroom
b. after preparing meats d. all answers
D
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Welding with the current set too high results in ____.
A. short arc length B. little or no penetration C. frequent shorting and sticking of the electrode D. spatter
Why is a vacuum line attached to a fuel-pressure regulator on many port-fuel-injected engines?
A) To create an equal pressure drop across the injectors B) To lower the fuel pressure under heavy engine load conditions to help improve fuel economy C) To draw fuel back into the intake manifold through the vacuum hose D) To raise the fuel pressure at idle
AC power to the motor creates the magnetic field in the rotating assembly by current flow rather than induction
Indicate whether the statement is true or false
When the emergency heat feature of a heat pump is activated, the usual effect on the heat pump is _____
a. only the supplemental heaters and the blower operate b. electric heaters operate if the compression heat is inadequate c. the compressor and electric heaters operate together d. the gas or oil furnace is disabled