MICHIGAN (MI) HYDRONIC
HEATING, COOLING & PROCESS
PIPING – 200-QUESTION PRACTICE
EXAM WITH ANSWERS &
EXPLANATIONS (2026 EDITION) PD
What is the definition of human comfort relative to temperature?
A. When you feel slightly warm.
B. When your drink feels cool in your beach chair.
C. When you feel slightly cool.
D. When you feel neither warm nor cool - Answer-When you feel neither warm nor cool
Which type of hydronic system would use gravity flow?
A. High temperature heating.
B. Low temperature heating
C. Cooling and refrigeration.
D. High pressure systems only - Answer-Low temperature heating
Describe a hydronic system
A. Cooling system that only uses water.
B. Heating system that only uses water.
C. Heating and cooling system that uses water or HTF as a heat transfer medium
,D. Any system open to the atmosphere with no heat transfer characteristics - Answer-Heating and
cooling system that uses water or HTF as a heat transfer medium
Brian or a water/glycol mixture is commonly referred to as_____?
A. PEX.
B. HTF.
C. Make up water.
D. Dilution water. - Answer-HTF
In which year did Willis carrier patent the dewpoint control system?
A. 1903.
B. 1907.
C. 1924.
D. 1929. - Answer-1907
How many BTUs are required to heat 1 pound of water from 32°F to 212°F
A. 1 btu
B. 144 btu
C. 180 btu
D. 970 - Answer-180
In order to provide accurate indoor temperatures, the heat supply to the building must be equal to?
,A. The BTU load.
B. Outdoor temperature.
C. Total load of the boiler.
D. Heat loss of the building. - Answer-Heat loss of the building
Chapter 2 - Answer-
What are the four types of heat transfer?
A. Liquid, air, touch, solid.
B. Conduction, convection, radiation, evaporation.
C. Pumped, gravity, circulation, rotational, return.
D. Touch, car, plane, train. - Answer-Conduction, convection, radiation, and evaporation
Calculate the GPM for an 80 mph heat load using water as the HTF with the delta T of 20°F
A. 4
B. 8
C. 16
D. 80 - Answer-8
How is TEL total equipment, length measured and calculated?
A. Use a flexible tape measure.
B. Total piping lengths, less fittings and terminal units.
, C. Total piping length plus fittings, less terminal units.
D. Measure longest circuit and add 50% for fittings and terminal units. - Answer-Measure the longest
circuit and add 50% for fittings and terminal units
Which type of heat, when added, or removed from a substance, creates a change of state?
A. Enthalpy.
B. Sensible.
C. Superheat.
D. Latent heat. - Answer-Latent heat
Define humidity
A. Dry, arid air.
B. Desert air.
C. State of mind.
D. The amount of moisture in the air. - Answer-The amount of moisture in the air
What is the dry bulb temperature?
A. Humidity in the air.
B. Temperature of air taken with a standard thermometer.
C. A bulb sitting on the ground outside.
D. Superheat. - Answer-Temperature of air taken with a standard thermometer
Which tool is used to determine the relative humidity?
HEATING, COOLING & PROCESS
PIPING – 200-QUESTION PRACTICE
EXAM WITH ANSWERS &
EXPLANATIONS (2026 EDITION) PD
What is the definition of human comfort relative to temperature?
A. When you feel slightly warm.
B. When your drink feels cool in your beach chair.
C. When you feel slightly cool.
D. When you feel neither warm nor cool - Answer-When you feel neither warm nor cool
Which type of hydronic system would use gravity flow?
A. High temperature heating.
B. Low temperature heating
C. Cooling and refrigeration.
D. High pressure systems only - Answer-Low temperature heating
Describe a hydronic system
A. Cooling system that only uses water.
B. Heating system that only uses water.
C. Heating and cooling system that uses water or HTF as a heat transfer medium
,D. Any system open to the atmosphere with no heat transfer characteristics - Answer-Heating and
cooling system that uses water or HTF as a heat transfer medium
Brian or a water/glycol mixture is commonly referred to as_____?
A. PEX.
B. HTF.
C. Make up water.
D. Dilution water. - Answer-HTF
In which year did Willis carrier patent the dewpoint control system?
A. 1903.
B. 1907.
C. 1924.
D. 1929. - Answer-1907
How many BTUs are required to heat 1 pound of water from 32°F to 212°F
A. 1 btu
B. 144 btu
C. 180 btu
D. 970 - Answer-180
In order to provide accurate indoor temperatures, the heat supply to the building must be equal to?
,A. The BTU load.
B. Outdoor temperature.
C. Total load of the boiler.
D. Heat loss of the building. - Answer-Heat loss of the building
Chapter 2 - Answer-
What are the four types of heat transfer?
A. Liquid, air, touch, solid.
B. Conduction, convection, radiation, evaporation.
C. Pumped, gravity, circulation, rotational, return.
D. Touch, car, plane, train. - Answer-Conduction, convection, radiation, and evaporation
Calculate the GPM for an 80 mph heat load using water as the HTF with the delta T of 20°F
A. 4
B. 8
C. 16
D. 80 - Answer-8
How is TEL total equipment, length measured and calculated?
A. Use a flexible tape measure.
B. Total piping lengths, less fittings and terminal units.
, C. Total piping length plus fittings, less terminal units.
D. Measure longest circuit and add 50% for fittings and terminal units. - Answer-Measure the longest
circuit and add 50% for fittings and terminal units
Which type of heat, when added, or removed from a substance, creates a change of state?
A. Enthalpy.
B. Sensible.
C. Superheat.
D. Latent heat. - Answer-Latent heat
Define humidity
A. Dry, arid air.
B. Desert air.
C. State of mind.
D. The amount of moisture in the air. - Answer-The amount of moisture in the air
What is the dry bulb temperature?
A. Humidity in the air.
B. Temperature of air taken with a standard thermometer.
C. A bulb sitting on the ground outside.
D. Superheat. - Answer-Temperature of air taken with a standard thermometer
Which tool is used to determine the relative humidity?
