The vacuum pump performs the following function:

The vacuum pump performs the following function:

a) supplies water to the condensate receiver
b) supplies steam to the boiler
c) returns the condensate (water) back to the boiler
d) returns the condensate water to the condensate receiver
e) none of the above






Answer: C

Air can be removed from steam heating systems by

Air can be removed from steam heating systems by

a) air vents
b) a steam trap
c) an air separator
d) an air header
e) a dip tube





Answer: A

Convectors use ________ to increase heat transfer.

Convectors use ________ to increase heat transfer.

a) metal fins
b) radiators
c) blowers
d) copper tubes
e) brass tubes

Answer: A

The difference between a convector and a radiator is:

The difference between a convector and a radiator is:

a. The convector uses fans
b. The radiator's fins are much larger
c. The radiator is controlled by a thermostat
d. That one is made of cast iron and the other of steel or copper
e. The radiator is a compact design.






Answer: D