Artificial draught produced by a fan can be controlled by the___________________?
(A) Speed of the fan
(B) Damper
(C) Variation in the pitch of the fan blades
(D) All
Artificial draught produced by a fan can be controlled by the___________________?
(A) Speed of the fan
(B) Damper
(C) Variation in the pitch of the fan blades
(D) All
| Share this... |
Facebook
|
Twitter
|
Linkedin
|
Whatsapp
|
Your email address will not be published. Required fields are marked *