A TAB technician determines that the total airflow leaving the supply registers is much lower than the amount of air the blower is moving. This indicates that:

A) There is too much restriction in the return-side ductwork.
B) There are leaks in the return-side ductwork.
C) There is too much restriction in the supply-side ductwork.
D) There are leaks in the supply-side ductwork.


D

Trades & Technology

You might also like to view...

____________________ is the ability of a circuit component, such as a reactor coil, to store energy in the electromagnetic field.

Fill in the blank(s) with the appropriate word(s).

Trades & Technology

When using a two-phase, three-wire system, the size of the neutral conductor must be increased by the square root of ____.

a. 1.5 b. 2 c. 3 d. 5

Trades & Technology

Technician A says that if a PCV valve rattles, then it is okay and does not need to be replaced. Technician B says that if a PCV valve does not rattle, it should be replaced. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Trades & Technology

Which substance in refrigerants is most responsible for atmospheric ozone depletion?

A) Chlorine B) Carbon C) Fluorine D) Hydrogen

Trades & Technology