Hydronic Heating & Cooling Practice Tests (Pretest & Posttest) | Complete Exam Questions With Answers | Hvac Mastery Pack

HYDRONIC HEATING & COOLING PRACTICE
TESTS (PRETEST & POSTTEST) | COMPLETE
EXAM QUESTIONS WITH ANSWERS | HVAC
MASTERY PACK
T/F

FORCED-AIR SYSTEMS COST LESS THAN HYDRONIC SYSTEMS TO OPERATE AND MAINTAIN
BECAUSE OF THE DURABILITY AND LONG LIFE OF THE EQUIPMENT

CORRECT 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.

CORRECT ANS: TRUE




T/F

FOR PRACTICAL PURPOSES, ENTHALPY MAY BE TAKEN AS THE SUM OF SENSIBLE HEAT AND
LATENT HEAT.

CORRECT 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.

, CORRECT ANS: FALSE




T/F

SINGLE-WALL HEAT EXCHANGERS ARE LESS EFFICIENT THAN DOUBLE-WALL HEAT EXCHANGERS
OF EQUAL SIZE.

CORRECT 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.

CORRECT 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.

CORRECT ANS: FALSE




T/F

ROTARY PUMPS DISCHARGE FLUIDS IN AN ERRATIC, PULSATING FLOW.

CORRECT ANS: FALSE