Astainless steel (sae 301) wire is stretched between rigid supports so that a stress of 40 mpa is induced in the wire at a temperature of 20°c. what would be the stress at a temperature of -15°c?

Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives