header bg

Download PASSEMALL Prep app now

Scan QR code or get instant email to install app

Question:

Fan pressure will vary directly as ____ of the rpm ratio of the fan:

A Square
explanation

Explore more questions
Take more free practice tests for other PASSEMALL topics with our online hvac certification test now!

Comments

Leave a Reply

Your email address will not be published.

*

Related Questions

Which of the fan has disc wheel within a ring casing or plate:

Propeller fan

Which of the following arrangement of fans will be used inorder to attain constant pressure, zero pressure and constant vacuum conditions:

Series Arrangement

While installation the exhaust fan and air intake opening are at _____ ends of the enclosure:

Opposite

Higher speed motors are usually quieter than low speed motors:

True

A direct drive type fan is less expensive, less noisy, more flexible and more adaptable to capacity change than belt drive fan

False

Fan speed delivery will vary ______ as the CFM ratio:

Directly

Brake Horsepower (bhp) on the fan motor (or air horsepower of the fan) will vary directly as the _____ of the rpm ratio:

Cube