Related Questions

Toughness of a material is measured by the
A Vicker's hardness test
B Scratch test
C Universal testing machine
D Notched bar test
The toughness of a material _________ when it is heated
A Does not change
B Increases
C Decreases
D None of the Above
The toughness of a material __________ when it is heated.
A Remain same
B Decreases
C Increases
D None of these
The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to
A Grey cast iron
B White cast iron
C Mottled cast iron
D Toughed cast iron
Nickel and __________ are the alloying element added in steel to increase its toughness.
A Molybdenum
B Chromium
C Vanadium
D Silicon
If a regular polygon has 6 sides then the measure of its interior angle is greater than the measure of its exterior angle by how many degrees?
A 90\u00b0
B 100\u00b0
C 60\u00b0
D 108\u00b0
Toughness index is defined as the ratio of
A plasticity index to consistency index
B plasticity index to flow index
C liquidity index to flow index
D consistency index to liquidity index
Which of the following tests measures the toughness of road aggregates ?
A crushing strength test
B abrasion test
C impact test
D shape test
The most serious manufacturing defect from fracture toughness point of view is
A surface roughness
B pore
C spherical inclusion
D crack
High degree of toughness is a must for
A High speed steel
B Shock resisting steel
C Cold work tool steel
D None of these

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