Hydronic Heating and Cooling
Comprehensive Resource To Help You Ace 2026-2027
Exams Includes Frequently Tested Questions With
ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. What is the maximum design pressure for a low temperature boiler? (ASME)
A. 160 psig
B. 180 psig
C. 210 psig
D. 250 psig - Correct Answer: 160 psig
2. Select the correct valve that would be used to regulate the rate of HTF flow in a piping
system
A. Check valve.
B. Isolation valve.
C. Gate valve.
D. Balancing valve. - Correct Answer: Balancing valve
3. What is the pressure of 1 foot of water?
A. 0.433 psig/ft
B. 0.5 psig/ft
C. 2.31 psig/ft
D. 1.414 psig/ft - Correct Answer: 0.433 psig/ft
4. ____Is any pressure less than atmospheric?
, A. Gauge.
B. Negative pressure
C. Vacuum.
D. Static. - Correct Answer: Vacuum
5. Pressure, according to the height of a liquid is called_____?
A. Atmospheric
B. Absolute.
C. Static head.
D. Dynamic head. - Correct Answer: Static head
6. Convert 92' of static head to psig.
A. 19.57 psig
B. 39.8 psig
C. 41.9 psig
D. 212.4 psig - Correct Answer: 39.8 psig
7. 92 x .433 = 39.836
8. Any pressure above a perfect vacuum is measured as?
A. Psig
B. Psia
C. Pepsi
D. Psig - Correct Answer: Psia
9. What is atmospheric pressure at sea level - Correct Answer: 14.7 psia
,10. Temperature comfort is accomplished by controlling?
A. Room lighting.
B. Room humidity.
C. Room temperature.
D. Room temperature and humidity. - Correct Answer: Room, temperature and
humidity
11. Room humidity is measured with a ______?
A. Hygrometer.
B. Dry bulb thermometer.
C. Dial indicator.
D. Voltmeter. - Correct Answer: Hygrometer
12. Describe enthalpy
A. Total amount of energy of a substance.
B. Total heat in the atmosphere.
C. Latent heat of a substance.
D. Superheat. - Correct Answer: Total amount of energy of a substance
13. Select the best statement regarding thermal conduction through an object or substance
A. Heat loss is achieved without contact.
B. Transfer of heat happens when both materials are in contact.
C. A lower temperature substance is moved to a higher temperature and heat is
transferred to the warmer material.
, D. Conduction does not require contact. - Correct Answer: Transfer of heat
happens when both materials are in contact
14. How much heat is required to raise the temperature of 1 kg of water 1°C
A. 1 kilojoule
B. 2.5 kilojoules
C. 4.2 kilojoules
D. 7.5 kilojoules - Correct Answer: 1 kilojoules
15. What is another term for pump capacity?
A. Feet of water.
B. Psig
C. Pounds of steam.
D. Head pressure. - Correct Answer: Head pressure
16. Evaporation occurs when water absorbs______ heat.
A. Latent
B. Sensible.
C. Radiant.
D. Excessive. - Correct Answer: Latent
17. By controlling the rate of____hydronic heating and cooling systems allow the body to be
comfortable
A. Convection.
B. Conduction.
C. Heat loss.
Comprehensive Resource To Help You Ace 2026-2027
Exams Includes Frequently Tested Questions With
ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. What is the maximum design pressure for a low temperature boiler? (ASME)
A. 160 psig
B. 180 psig
C. 210 psig
D. 250 psig - Correct Answer: 160 psig
2. Select the correct valve that would be used to regulate the rate of HTF flow in a piping
system
A. Check valve.
B. Isolation valve.
C. Gate valve.
D. Balancing valve. - Correct Answer: Balancing valve
3. What is the pressure of 1 foot of water?
A. 0.433 psig/ft
B. 0.5 psig/ft
C. 2.31 psig/ft
D. 1.414 psig/ft - Correct Answer: 0.433 psig/ft
4. ____Is any pressure less than atmospheric?
, A. Gauge.
B. Negative pressure
C. Vacuum.
D. Static. - Correct Answer: Vacuum
5. Pressure, according to the height of a liquid is called_____?
A. Atmospheric
B. Absolute.
C. Static head.
D. Dynamic head. - Correct Answer: Static head
6. Convert 92' of static head to psig.
A. 19.57 psig
B. 39.8 psig
C. 41.9 psig
D. 212.4 psig - Correct Answer: 39.8 psig
7. 92 x .433 = 39.836
8. Any pressure above a perfect vacuum is measured as?
A. Psig
B. Psia
C. Pepsi
D. Psig - Correct Answer: Psia
9. What is atmospheric pressure at sea level - Correct Answer: 14.7 psia
,10. Temperature comfort is accomplished by controlling?
A. Room lighting.
B. Room humidity.
C. Room temperature.
D. Room temperature and humidity. - Correct Answer: Room, temperature and
humidity
11. Room humidity is measured with a ______?
A. Hygrometer.
B. Dry bulb thermometer.
C. Dial indicator.
D. Voltmeter. - Correct Answer: Hygrometer
12. Describe enthalpy
A. Total amount of energy of a substance.
B. Total heat in the atmosphere.
C. Latent heat of a substance.
D. Superheat. - Correct Answer: Total amount of energy of a substance
13. Select the best statement regarding thermal conduction through an object or substance
A. Heat loss is achieved without contact.
B. Transfer of heat happens when both materials are in contact.
C. A lower temperature substance is moved to a higher temperature and heat is
transferred to the warmer material.
, D. Conduction does not require contact. - Correct Answer: Transfer of heat
happens when both materials are in contact
14. How much heat is required to raise the temperature of 1 kg of water 1°C
A. 1 kilojoule
B. 2.5 kilojoules
C. 4.2 kilojoules
D. 7.5 kilojoules - Correct Answer: 1 kilojoules
15. What is another term for pump capacity?
A. Feet of water.
B. Psig
C. Pounds of steam.
D. Head pressure. - Correct Answer: Head pressure
16. Evaporation occurs when water absorbs______ heat.
A. Latent
B. Sensible.
C. Radiant.
D. Excessive. - Correct Answer: Latent
17. By controlling the rate of____hydronic heating and cooling systems allow the body to be
comfortable
A. Convection.
B. Conduction.
C. Heat loss.
