Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

3rd Year > Mechanical Air Movement And Controls > Flashcards

Mechanical Air Movement And Controls Flashcards

1
Q

Describe fan total pressure

A

The sum total of a fan static pressure and its velocity pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Describe fan static pressure

A

The difference between found total pressure and discharge velocity pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Describe velocity

A

Speed at which air is moving

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Describe velocity

A

The pressure exerted as a result of the motion of the airstream

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Name two general groups are classes of fans

A

Axial (propeller)
Centrifugal (radial)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Three types of axial flow fans

A

Propeller
Tubeaxial
Vaneaxial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What fan is almost the used the most

A

Propeller

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Tubeaxial fans are considered to be what

A

Heavy duty propeller fan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Vaneaxial fans are considered to be what

A

High efficiency

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Centrifugal fans are built how

A

In a direction at right angle to the fan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Four types of fan blades

A

Forward curved
Backward inclined
Airfoil blades
Radial blades

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

13x13x4=……./3.14……square x 2.5 =

A

?

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are performance charts for

A

Cfm
Static pressure
Rpm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Propeller disc fans are designed to

A

Have no ducts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What type of fan is used pollution control with high particulate loads

A

Radial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which fan should never be used in a duct less system

A

Forward curved blade centrifugal fan

17
Q

Best fan to be used on a blow pipe system saw mill

A

Radial axial flow fan

18
Q

The most accurate volume control of air is obtained using

A

Opposite blade damper

19
Q

Which damper is usually in locations where it’s fully opened or closed

A

Parallel blade

20
Q

Parallel blades are the best for modulating airflow

A

False

21
Q

Can propeller fans handle large volumes of air

A

Large volumes with low static

22
Q

Uses for radial fans

A

Wood chips and grain systems

23
Q

What are air extractors used for

A

They are used to move air when splitters can’t be used

24
Q

Two styles of multi blade dampers

A

Parallel
Opposite

3rd Year (12 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions