Maximum permissible air velocity in pipelines is about __...
Maximum permissible air velocity in pipelines is about __________ metre/second.
5
10
20
40
Correct answer is B
No explanation has been provided for this answer.
Wrought iron is never shaped by ...
Friction factor for fluid flow in pipe does not depend upon the ...
In extrusion of metals, which of the following statements is true ? ...
Which one of the following is incombustible? ...
In the blast furnace, incorporation of water vapour in the blast gives the following effect. ...