Which of the following materials is most elastic_________________?
Which of the following materials is most elastic_________________?
A. rubber
B. plastic
C. brass
D. steel
E. glass
A. rubber
B. plastic
C. brass
D. steel
E. glass
A. 30 MN/m2
B. 50 MN/m2
C. 100 MN/m2
D. 200 MN/m2
E. 300 MN/m2
A. h/2
B. J/3
C. h/6
D. h/4
E. 3/i/5
A. at distance — from the plane base 3r
B. at distance — from the plane base 3r
C. at distance — from the plane base 3r
D. at distance — from the plane base or
E. at distance — from the plane base
A. equal to the hoop stress
B. twice the hoop stress
C. half of the hoop stress
D. one-fourth of hoop stress
E. four times the hoop stress
A. 25
B. 50
C. 100
D. 250
E. 500
A. maximum at periphery and zero at center
B. maximum at center
C. uniform throughout
D. average value in center
E. none of the above