Miscellaneous In Metallurgy - Study Mode
[#86] The velocity at which individual particles from a fluidised bed are carried away by the fluid passing through it is defined as
Correct Answer
(C) elutriation velocity
[#87] In resistance welding the pressure is released
Correct Answer
(C) After the weld cools
[#88] In the Frank-Read dislocation source, if the distance between fixed points is L, then the minimum possible value of dislocation loop radius will be equal to
Correct Answer
(B) $$frac{L}{2}$$
[#89] When a half plane is inserted between two perfect planes then the defect arises in two plane perpendiculars to each other is called
Correct Answer
(B) Screw dislocations
[#90] The heat treatment process in which heating of steel is done to a temperature above the A 3 temperature and it between 1000 - 1200°C and hold is for long time 10-20hr and followed by cooling is called
Correct Answer
(A) diffusion annealing