Practice Exam - Texas HVAC Prep Course Webinar

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1. A ____________________damper is used in round ducts to control airflow.

(MRF pg. 571 sec 23.4.6)

2. To determine the fan capacity for a furnace, use the following formula.

(MRF pg.581 sec 23.7)

3. Sheet metal ducts expand and contract as they__________.

(MRF pg.566 sec 23-11)

4. Residential homes that use fuel-burning furnaces need air for _______________.

(MRF pg.561 See Figure 23-4)

5. When sensible heat is added into air, an increase of _______________occurs

(MRF pg.558 sec 23.1.2)

6. Which of the following is not a type of supply duct system?

(MRF pg.563 sec 23.4.1)

7. _______________ are often used at garage doors, delivery dock, and similar boundaries.

(MFR pg.581 sec 23.7)

8. Air delivered to the room from the supply duct moving at a velocity of _______fpm or more is called primary air.

(MRF pg. 582 Summary #4)

9. _____________ is a free-standing form of a back shelf hood constructed low enough to ass food over the top.

( IMC Definitions pg.11)

10. Refrigeration coils shall be installed in __________ or on the downstream side of central furnaces to avoid condensation in the heating element.

(IFGC specific appliances sec 627. 8 pg. 127 )

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