A. Having notches in the specimen
B. Rise in temperature
C. Under stressing the specimen
D. Having scratches on the surface
Related Mcqs:
- 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 - Fatigue failure of a material may occur, when it is subjected to _____________ stress?
A. Fluctuating
B. Tensile
C. Compressive
D. Torsion - Fatigue failure of a material results from _____________ stress?
A. Tensile
B. Compressive
C. Fluctuating
D. None of these - Fatigue failure of a material results from ______________ stress?
A. Tensile
B. Compressive
C. Fluctuating
D. None of these - 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 - Tin coating on metals is not done by_____________________?
A. Spraying
B. Powder metallurgy
C. Hot dipping
D. Electro-deposition - _____________ 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 - 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
