Consider the following statements and choose the correct one:(P) Hardness is the resistance of a material to indentation.(Q) Elastic modulus is a measure of ductility.(R) Deflection depends on stiffness.(S) The total area under the stress-strain curve is a measure of resilience.

Consider the following statements and choose the correct one:(P) Hardn

1.	Consider the following statements and choose the correct one:(P) Hardness is the resistance of a material to indentation.(Q) Elastic modulus is a measure of ductility.(R) Deflection depends on stiffness.(S) The total area under the stress-strain curve is a measure of resilience.
A.	P and Q only
B.	Q and S only
C.	P and R only
D.	R and S only
Answer» D. R and S only

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Consider the following statements and choose the correct one:(P) Hardness is the resistance of a material to indentation.(Q) Elastic modulus is a measure of ductility.(R) Deflection depends on stiffness.(S) The total area under the stress-strain curve is a measure of resilience.

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