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.
Tin based white metals are used where bearings are subjected to ...
Annealing of white cast iron produces __________ iron. ...
Speisses is a mixture of the following: ...
Pick out the wrong statement. ...
Maxwell's thermodynamic relations applies to the ...
The softness or hardness of a grinding wheel depends upon the type & amount of bonding material ...