What is the conversion of 20 inches of mercury to psi?
A) 60 psi B) 10 psi C) 2 psi D) 40 psi
B
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Which type of gear may be found in a rear-wheel-drive axle?
A) Spiral bevel B) Spur C) Hypoid D) Helical
Convert 1.35 to a percent.
What will be an ideal response?
What is the function of a purge unit?
A) A purge unit is used to purge the superheat from the condenser. B) A purge unit is used to purge the air out of the chilled water loop. C) A purge unit is used to purge the refrigeration oil out of the refrigerant. D) A purge unit will purge the air from the top of the condenser.
These windows can be 100-percent operable and are best used where extreme weather conditions require a tight seal when the window is closed, although these windows are in common use everywhere:
A. casement B. double hung C. sliding D. awning E. none of the above