When a machine member is subjected to torsion, the torsional shear stress set up in the member is

Zero at both the centroidal axis and outer surface of the member

Maximum at both the centroidal axis and outer surface of the member

Zero at the centroidal axis and maximum ath the outer surface of the member

maximum at the centroidal axis and zero at the outer surface of the member

Room temperature

Above melting point

Between 1400° C and 1539° C

Between 910° C and 1400° C

Reversible cycles

Irreversible cycles

Semi-reversible cycles

Quasi-static cycles

Benzene

Iso-octane

Normal heptane

Alcohol

Four

Five

Six

Seven