A. Plasticity
B. Creep
C. Elasticity
D. Ductility
Related Mcqs:
- Slow and progressive deformation of a material with time under constant stress is called___________________?
A. Creep
B. Erosion
C. Resilience
D. None of these - Slow plastic deformation of metals under a constant stress is termed as _____________ failure?
A. Fatigue
B. Endurance
C. Creep
D. None of these - Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the__________________?
A. Ultimate tensile strength (U.T.S.)
B. Endurance limit
C. Elastic limit
D. None of these - An alloy of iron containing 4% carbon is called________________?
A. High carbon steel
B. Wrought iron
C. Mild steel
D. None of these - Nickel (56%) and molybdenum (17%) alloys are called________________?
A. Monel
B. Hastelloy C
C. Inconel
D. Bronzes - A chemical change takes place when iron_____________?
A. Rusts
B. Melts
C. Is heated
D. None of these - Bearings subjected to light load are made of________________?
A. White metal
B. Phosphorous bronze
C. Monel
D. Silicon bronze - Reduction in the grain size reduces the _______________ of the material?
A. Fatigue resistance
B. Tensile strength
C. Creep resistance
D. All A., B. & C. - The hardest material just prior to diamond in Mho’s scale is___________________?
A. Topaz
B. Carborundum
C. Corundum
D. Calcite - 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
