The phenomenon in which slow extension of material takes place with the time at constant load is called________________?

A. Silicon
B. Phosphorus
C. Sulphur
D. None of these

A. High strength to weight ratio
B. Low temperature strength properties
C. Its ability to be cast, rolled, forged & stamped
D. High strength and corrosion & oxidation-resistance at elevated temperature

A. Austenitic
B. Ferritic
C. Martensitic
D. None of these

A. 5
B. 100
C. 250
D. 500

A. Increases very quickly
B. Decreases very quickly
C. Increases in proportion to stress
D. Decreases in proportion to stress