A. Precipitation
B. Fusion
C. Sintering
D. Agglomeration
Related Mcqs:
- _____________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working?
A. Solid solution hardening
B. Screw dislocation
C. Strain ageing
D. Twinning - A metallic alloy in which one of the constituent metal is _____________, is called an amalgam?
A. Zinc
B. Mercury
C. Lead
D. Tin - Spray dryer for evaporating milk to produce milk powder is made of_________________?
A. Lead lined steel
B. Stainless steel
C. Aluminium
D. Cast iron - The heat treatment process to which castings and the steel balls produced by cold heading are subjected is____________________?
A. Tempering
B. Normalising
C. Annealing
D. None of these - The heat treatment process applied to cold formed steel parts is ____________________?
A. Normalising
B. Tempering
C. Artificial ageing
D. Solution annealing - Light weight metallic alloy used in aircraft industry is________________?
A. Aluminium
B. High silicon (14%) iron
C. Duralumin
D. Phosphor bronze - In cold working of metal as compared to its hot working____________________?
A. Cracks and blow holes are eliminated
B. Ductility and impact strength improves
C. Appreciable strain hardening is produced
D. Yield stress, hardness and fatigue strength is not at all affected - The increase in hardness of metal due to its cold working is termed as the _______________ hardening?
A. Work
B. Age
C. Induction
D. Flame - Cold work tool steel should have_________________?
A. High toughness
B. Poor hardenability
C. High wear resistance
D. All A., B. & C. - Cold worked steel parts are normally subjected to_________________?
A. Normalising
B. Hardening
C. Annealing
D. Shot peening
