What type of flow regulation valve provides a fine adjustment of low flow volumes to control instrument, meter line, or gauge piping?
A. globe
B. needle
C. check
D. ball
Answer: B
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A(n) _____ occurs when a shot shows the same prominent object or person in different locations in back-to-back shots
a. wipe b. extreme close-up c. jump cut d. cut-away
Read the setting on this customary micrometer scale graduated in 0.001".
Fill in the blank(s) with the appropriate word(s).
According to Pascal's law, what happens to the pressure of a propane tank as it empties?
A) The pressure increases toward the bottom of the tank. B) The pressure remains uniform throughout the tank. C) The pressure increases toward the top of the tank. D) Pascal's law does not explain what happens to pressure.
How does performing planned maintenance save the customer money?
A) The customer will receive money-saving coupons to purchase new equipment. B) Reduced operational cost and longer equipment life C) Most air-conditioning contractors perform seasonal maintenance at no or reduced cost as a public service. D) The customer can apply for the federal air conditioning maintenance tax credit.