CM411 MIDTERM
MECHANICAL/PLUMBING EXAM
QUESTIONS & ANSWERS RATED A+
1 of 43
Term
Boiler water blowdown is used to...
Give this one a try later!
Reduce contaminants in boiler
Add chemicals to the water
water
Heat the water more efficiently Increase pressure in the boiler
, Don't know?
2 of 43
Term
A system with three sinks at two DFU each and two Water Closet at
six DFU each has what loading on soil stack?
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12 DFUs 18 DFUs
24 DFUs 30 DFUs
Don't know?
3 of 43
Term
Drainage slopes less than recommended for horizontal branches
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Will improve drainage efficiency Will have low flow rates and
and reduce odors risk blockage
, Will increase the pressure in Will require more frequent
the drainage system maintenance and cleaning
Don't know?
4 of 43
Term
The coils outside a refrigerator are the
Give this one a try later!
Expansion coils Compressor coils
Condenser coils Evaporator coils
Don't know?
5 of 43
Term
What is not a major component of forced air furnace?
Give this one a try later!
Copper Piping Drainage Fixture Unit
MECHANICAL/PLUMBING EXAM
QUESTIONS & ANSWERS RATED A+
1 of 43
Term
Boiler water blowdown is used to...
Give this one a try later!
Reduce contaminants in boiler
Add chemicals to the water
water
Heat the water more efficiently Increase pressure in the boiler
, Don't know?
2 of 43
Term
A system with three sinks at two DFU each and two Water Closet at
six DFU each has what loading on soil stack?
Give this one a try later!
12 DFUs 18 DFUs
24 DFUs 30 DFUs
Don't know?
3 of 43
Term
Drainage slopes less than recommended for horizontal branches
Give this one a try later!
Will improve drainage efficiency Will have low flow rates and
and reduce odors risk blockage
, Will increase the pressure in Will require more frequent
the drainage system maintenance and cleaning
Don't know?
4 of 43
Term
The coils outside a refrigerator are the
Give this one a try later!
Expansion coils Compressor coils
Condenser coils Evaporator coils
Don't know?
5 of 43
Term
What is not a major component of forced air furnace?
Give this one a try later!
Copper Piping Drainage Fixture Unit
