The Ultimate Hot Water and Steam System Troubleshooting Quiz
by Staff
If you have an older home, you may appreciate some troubleshooting tips for hot water and steam distribution systems. Understanding the basic operation of these systems may help you to better maintain them. Take this quiz to see if you are steamed up about how to troubleshoot hot water and steam distribution systems.

Where may you find hot water and steam distribution systems?

  • new homes
  • existing homes
  • new commercial properties

Which is a hot water system?

  • gravity system
  • hydronic system
  • both answers

What fuel is used to power hot water heating systems?

  • gas, coal or wood
  • gas, oil or electric
  • wood, gas or oil

Gravity systems heat water _________ degrees Fahrenheit.

  • 120
  • 150
  • 180

A hydronic hot water system uses what mechanism to move the water?

  • motor-driven circulating pump
  • fan
  • neither answer

What is indicated by hammering noises and a failure to heat?

  • broken pump
  • broken fan
  • incorrect slope

What is the suggested water level of a system's boiler?

  • half full
  • three quarter full
  • full

What will too little water in the boiler cause?

  • boiler malfunction
  • insufficient heating
  • hammering noise

What mechanism keeps the boiler around half full?

  • automatic filling system
  • manual filling system
  • neither answer

How can you check the expansion tank's water level?

  • by feel
  • by weight
  • by indicator

After draining the expansion tank, how much water should you refill it with?

  • none
  • one to two gallons
  • two to three gallons

For proper radiator operation, how should the radiator's inlet valve be set?

  • one quarter open
  • half open
  • fully open

What is the purpose of a circulator?

  • pump
  • fan
  • blower

How often should hot water and steam systems be flushed?

  • every month
  • every year
  • every two years

What should you do during a long winter power failure?

  • drain the system
  • turn off the boiler
  • let the water run

If some home radiators are hotter than others, what may be the problem?

  • vents need adjustment
  • boiler needs service
  • radiator malfunction

If the circulator pump leaks water, what may be the problem?

  • damaged seal
  • damages coupler
  • stem packing deterioration

When the boiler is shut off, what happens to the water in the radiators?

  • The water will flow back to the boiler.
  • The water in radiators stay at a steady level.
  • Neither answer is correct.

In older systems, where may the expansion tank be housed?

  • attic
  • basement
  • close to the boiler

For hot water and steam systems, what direction will the pipes slope?

  • toward the boiler
  • away from the boiler
  • neither answer