The Young’s modulus of a wire is defined as the stress which will increase the length of wire compared to its original length________________?
		A. half
B. same amount
C. double
D. one-fourth
E. four times
		A. half
B. same amount
C. double
D. one-fourth
E. four times
		A. remain horizontal
B. slant up towards direction of pull
C. slant down towards direction of pull
D. unpredictable
E. none of the above
		A. kg m2
B. m4
C. kg/m2
D. m3
E. kg/m4
		A. the algebraic sum of the resolved parts of the forces in the given direction
B. the sum of the resolved parts of the forces in the given direction
C. the difference of the forces multiplied by the cosine of 9
D. the sum of the forces multiplied by the sine of 9
E. the sum of the forces multiplied by the tangent of 9
		A. same
B. double
C. half
D. four times
E. one fourth
		A. kg/cm
B. ata
C. atmosphere
D. mm of wcl
E. newton
		A. lap point
B. butt joint
C. single riveted single cover butt joint
D. double riveted double cover butt joint
E. single riveted double cover butt joint