Steam Heating Systems Flashcards

1
Q

Finned convectors should be kept free of:

A) Corrosion
B) All of the above
C) Dust
D) Air
E) Paper
A

B) All of the above

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2
Q

A _____ for a steam heating system will reduce the possibility of heating problems occurring when the system is in service.

A) High capacity boiler
B) Good preventative maintenance program
C) Thermostatic controller
D) Air/fuel controller
E) Heat monitor
A

B) Good preventative maintenance program

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3
Q

All supply and drain lines of a steam heating system must be pitched to:

A) Allow for drainage of condensate
B) Prevent corrosion
C) Allow for temperature expansion
D) Allow collection of air at the highest points
E) All of the above
A

A) Allow for drainage of condensate

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4
Q

The Hartford loop prevents the water in the boiler from:

A) Dropping below a safe level
B) Exceeding the maximum temperature
C) Contamination by impurities in the returning condensate
D) Exceeding the highest safe level
E) Flowing out through the steam main
A

A) Dropping below a safe level

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5
Q

In all steam heating systems, the horizontal steam supply pipes between the boiler and the heating units are called the:

A) Mains
B) Downcomers
C) Risers
D) Racks
E) Banks
A

A) Mains

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6
Q

The first step in starting up a steam heating system is to:
Incorrect Response
A) Open the air vents
B) Check for a valid operating certificate from a provincial inspector
C) Clean up the area
D) Open the gas valves
E) Fill the boiler

A

B) Check for a valid operating certificate from a provincial inspector

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7
Q

In the case of radiators and convectors, the main sources of trouble are:

A) Connecting rods
B) Valves and traps
C) Push nipples
D) Air vents
E) Air traps
A

B) Valves and traps

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8
Q

Slow or insufficient heat in one or more rooms in a steam heated building can be caused by a faulty:

A) Steam trap
B) Sight glass
C) Float switch
D) Vacuum switch
E) Heater
A

A) Steam trap

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9
Q

Which one of the following steam heating systems can be used to overcome the difficulty of returning condensate back to the boiler due to inefficient static head?

A) Two pipe, gravity return system
B) One pipe, free flow return system
C) Two pipe, free drain return system
D) Two pipe, return trap system
E) One pipe, gravity return system
A

D) Two pipe, return trap system

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10
Q

The piping and heating units of a steam heating system must be arranged so that:

A) Steam can flow freely to all heating units
B) The air can be kept at the top of the heating units
C) All of the above
D) None of the above
E) The condensate can flow freely to the heating units

A

A) Steam can flow freely to all heating units

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