Hydronic Heating and Cooling Pretest & Posttest Assessment Pack | Real Exam Questions with 100% Verified Answers | Comprehensive HVAC Study Guide | Updated 2026

Hydronic Heating and Cooling Pretest & Posttest Assessment
Pack | Real Exam Questions with 100% Verified Answers |
Comprehensive HVAC Study Guide | Updated 2026
T/F

Forced-Air Systems Cost Less Than Hydronic Systems To Operate And Maintain Because Of The
Durability And Long Life Of The Equipment

ANS>> False




T/F

Far Less Water Than Air Is Needed To Distribute The Same Amount Of Heat, Meaning That
Hydronic Water Distribution Can Use Piping That Is Much Smaller Than The Equivalent Air
Ductwork.

ANS>> True




T/F

For Practical Purposes, Enthalpy May Be Taken As The Sum Of Sensible Heat And Latent Heat.

ANS>> True




T/F

Heat Transfer Is The Flow Of Heat From One Object Or Substance To Another, And It Occurs
Because Of A Difference In Pressure.

ANS>> False

, T/F

Single-Wall Heat Exchangers Are Less Efficient Than Double-Wall Heat Exchangers Of Equal Size.

ANS>> False




T/F

The Compressor Pumps The Vaporized Refrigerant Away From The Evaporator And Discharges It
At A Higher Pressure And Temperature Into The Condenser.

ANS>> True




T/F

A Dry Cooling Tower Is A Cooling Tower With Open Water Loops, Allowing Direct Contact
Between Circulating Water And Outside Air.

ANS>> False




T/F

Rotary Pumps Discharge Fluids In An Erratic, Pulsating Flow.

ANS>> False




T/F

The Two Most Commonly Used Centrifugal Pump Sealing Methods Are The Stuffing Box Seal
And The Mechanical Seal.

ANS>> True