Chapter 127 Flashcards
0
Q
Centrifugal fans are classified as: A) backward inclined B) straight C) backward inclined with airfoil blades D) forward curved E) all of the above
A
E) all of the above
1
Q
Which of the following is not a centrifugal fan? A) backward inclined fan wheel B) forward curved fan wheel C) the propeller fan D) radial blade fan E) backward inclined airfoil blade fan
A
C) the propeller fan
2
Q
Control of the static pressure and horsepower requirements at a given speed is obtained by using a/an _____.
A
Variable inlet vane control
3
Q
Velocity pressure exerted by the air is measured by connecting the upstream leg of a ______ with the opening facing the air flow in the air duct.
A
Manometer
4
Q
A centrifugal type of fan is best suited to move large volumes of low pressure air.
A) true
B) false
A
B) false