Related Questions

The property of a material which enables it to resist fracture due to high impact loads is known as
A Elasticity
B Endurance
C Strength
D Toughness
The ability of a material to resist softening at high temperature is known as
A Creep
B Hot tempering
C Hot hardness
D Fatigue
During elastic impact, the relative velocity of the two bodies after impact is __________ the relative velocity of the two bodies before impact.
A Equal to
B Equal and opposite to
C Less than
D Greater than
A tensile test is performed on a round bar. After fracture, it has been found that the diameter remains approximately same at fracture. The material under test was
A Mild steel
B Cast iron
C Glass
D Copper
The strength is the ability of a material to resist
A Deformation under stress
B Externally applied forces with breakdown or yielding
C Fracture due to high impact loads
D None of these
The stiffness is the ability of a material to resist
A Deformation under stress
B Fracture due to high impact loads
C Externally applied forces with breakdown or yielding
D None of the above
The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.
A Red
B Extended
C Super
D Extreme
Find out which quotation parts of the following sentences has an error. Trenches in the ocean floor are of 'great interest' because they are lines 'where' the earth crust often is 'so weak' to resist the impact of 'frequent earthquakes'.
A great interest
B where
C so weak
D frequent earthquakes
A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under
A Uniform throughout
B Increase uniformly
C First increase and then decrease
D Increase uniformly first and then increase rapidly
Which of the following property is desirable in parts subjected to shock and impact loads?
A Strength
B Stiffness
C Brittleness
D Toughness

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