A. Solid solution hardening
B. Screw dislocation
C. Strain ageing
D. Twinning
Related Mcqs:
- 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 - The process of heating the cold pressed metallic powder is called ______________ in powder metallurgy?
A. Precipitation
B. Fusion
C. Sintering
D. Agglomeration - Compressive strength of wood is usually more along the grains. The tenile strength of wood as compared to that of steel is about_______________?
A. Half
B. One third
C. One fifth
D. One twelfth - The loss of strength in compression which occurs, when there is a gain of strength in tension due to over loading is called__________________?
A. Bauschinger effect
B. Hooke’s effect
C. Hysteresis
D. Relaxation - For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is__________________?
A. Stainless steel
B. Cast iron
C. Aluminium
D. Nickel - Dielectric strength of a material is____________________?
A. Its energy storage capacity
B. A magnetic property
C. Its capacity to resist the flow of current
D. Its capacity to withstand high voltage - Fatigue strength of a material increases by_____________________?
A. Having notches in the specimen
B. Rise in temperature
C. Under stressing the specimen
D. Having scratches on the surface - Amount of energy that a material can absorb before its fracture is a measure of its _________________?
A. Toughness
B. Resilience
C. Malleability
D. Ductility - Steel rods are used in reinforced concrete to increase its ______________ strength?
A. Shear
B. Tensile
C. Compressive
D. None of these
