PLUMBING LEVEL #3 EXAM
QUESTIONS AND ANSWERS
hardness - Answer-Calcium and magnesium salt in water are the cause of _
green - Answer-Acid in the water can react with copper pipes to leave stains that are _
six - Answer-The number of types of simple machines is _
multiples of 12 - Answer-For calculating area, lengths and widths are expressed in _
scale on the construction drawings - Answer-To determine the proper measurements for
a floor, always refer to the _
62.31 pounds - Answer-One cubic foot of water has a weight of _
decrease its density but increase its volume - Answer-Increasing the temperature of
water will _
farthest point of use - Answer-An efficient water supply system should provide, under
peak demand conditions, adequate pressure to the _
combine several pulleys - Answer-To decrease the amount of force needed to lift a load,
you can _
basic pulley concept - Answer-The wheel and axle is a modification of the _
protect against slipping and electrical shock - Answer-On the job, wear rubber-soled
shoes or boots to _
provided with appropriate personal protective equipment - Answer-In a commercial
building, customers who enter the area where you are working should be _
warm, moist air - Answer-Condensation on pipes occurs when a cold surface is
exposed to _
compressor lubrication oil - Answer-In addition to removing moisture from compressed
air, refrigeration air dryers are also effective at removing _
an improperly secured hose or coupling - Answer-If a compressed-air tool functions
poorly because of low air pressure, the cause is most likely _
whip checks - Answer-To prevent injury from loose air hoses, OSHA requires hoses to
be secured with cables called _
QUESTIONS AND ANSWERS
hardness - Answer-Calcium and magnesium salt in water are the cause of _
green - Answer-Acid in the water can react with copper pipes to leave stains that are _
six - Answer-The number of types of simple machines is _
multiples of 12 - Answer-For calculating area, lengths and widths are expressed in _
scale on the construction drawings - Answer-To determine the proper measurements for
a floor, always refer to the _
62.31 pounds - Answer-One cubic foot of water has a weight of _
decrease its density but increase its volume - Answer-Increasing the temperature of
water will _
farthest point of use - Answer-An efficient water supply system should provide, under
peak demand conditions, adequate pressure to the _
combine several pulleys - Answer-To decrease the amount of force needed to lift a load,
you can _
basic pulley concept - Answer-The wheel and axle is a modification of the _
protect against slipping and electrical shock - Answer-On the job, wear rubber-soled
shoes or boots to _
provided with appropriate personal protective equipment - Answer-In a commercial
building, customers who enter the area where you are working should be _
warm, moist air - Answer-Condensation on pipes occurs when a cold surface is
exposed to _
compressor lubrication oil - Answer-In addition to removing moisture from compressed
air, refrigeration air dryers are also effective at removing _
an improperly secured hose or coupling - Answer-If a compressed-air tool functions
poorly because of low air pressure, the cause is most likely _
whip checks - Answer-To prevent injury from loose air hoses, OSHA requires hoses to
be secured with cables called _
