TENSION

Question 1

What are the three most commonly used steel?

Answer 1

A36, A572, A992

Question 2

Why is A36 considered the most ductile?

Answer 2

Its tensile strength is the biggest

Question 3

The condition in which steel exhibits a considerable increase in tension strength beyond the
yield point is called _______________.

Answer 3

Strain Hardening

Question 4

Steel type that is used for secondary members of building trusses and joist

Answer 4

Angle shape

Question 5

Steel type that are not commonly manufactured

Answer 5

Miscellaneous (MT)

Question 6

Structural Steel is made out of _____

Answer 6

Alloy - Iron and Carbon

Question 7

Principal component of alloy (steel)

Answer 7

Iron

Question 8

How do you convert ksi into MPa?

Answer 8

multiply with 6.9MPa

Question 9

Ultimate Tensile Strength (Fu) of A36

Answer 9

248 MPa

Question 10

Yield Stress (Fy) of A36

Answer 10

400 MPa

Question 11

How does hot rolled steel differ from cold formed steel?

Answer 11

Cold formed steel:
- Thinner
- Used for smaller structure like residential
- Strength is relatively smaller

Question 12

The values of Fy and Fu may be obtained from a _____ in tension

Answer 12

Coupon Test

Question 13

Ratio of the transverse strain to the longitudinal strain

Answer 13

Poisson’s Ratio

Question 14

Ability of the material to undergo large inelastic deformation without failure

Answer 14

Ductility

Question 15

Part of steel where elongation can be determined during tensile test.

Answer 15

Gage Length

Question 16

Modulus of elasticity of steel

Answer 16

Esteel = 200, 000 MPa

Question 17

Law that states “stress is directly proportional to strain”

Answer 17

Hooke’s Law

Question 18

Energy absorbed by the material per unit volume up to rupture.

Answer 18

Modulus of Toughness

Question 19

Energy absorbed by the material per unit volume up to yield point.

Answer 19

Modulus of Resilience

Question 20

Maximum stress that the materials achieve in tension test.

Answer 20

Ultimate Tensile Strength (Fu)

Question 21

Ratio of the shearing stress to shearing strain during elastic behaviour.

Answer 21

Shear Modulus (G) or Modulus of Rigidity

Question 22

Commonly used failure theory

Answer 22

Von Mises Yield Criterion

Question 23

For serviceability limits, the limiting L/r for tension members is ____, to prevent vibration and sagging.

Answer 23

300

Question 24

Allowance for bolt insertion

Answer 24

1/16 inch (1.6 mm) greater than the design bolt diameter