What kind of expansion tank must be installed above the highest terminal unit?

A) Diaphragm type B) Open type
C) Closed type D) Pressure-relief type


B

Trades & Technology

You might also like to view...

Hormone concentration levels are most commonly controlled by

A) positive feedback. B) the quantity of circulating hormone. C) negative feedback. D) cellular demands. E) body temperature.

Trades & Technology

A duty cycle of 90% means that the alternator field current is off most of the time

A) True B) False

Trades & Technology

Describe the three dimensions of color according to Munsell.

What will be an ideal response?

Trades & Technology

What directs the flow of air from the evaporator throughout the trailer?

A. The evaporator fan. B. The chute. C. The reefer floor ducting. D. Both B and C direct air flow .

Trades & Technology