DP - L

Question 1

The actual rupture strength of a plastic material is greater than the ultimate tensile strength if we consider the reduce area due to

Answer 1

Necking

Question 2

Values for factor of safety in ASD is based on

Answer 2

a. experience
b. judgement

Question 3

Strain hardening is the result of dislocation or ____________ of the metal crystals.

Answer 3

movement

Question 4

TRUE OR FALSE

LRFD is limited to inelastic behaviour

Answer 4

FALSE - can be both elastic and inelastic

Question 5

Strength Limit State is to collapse prevention as Serviceability Limit State is to

Answer 5

Function

Question 6

ASD differ primarily with LRFD in providing

Answer 6

Safety Factors

Question 7

TRUE OR FALSE

ASD is all about allowable stresses

Answer 7

TRUE

Question 8

What is the factor of safety for Tension Members in LRFD considering the combination U=1.4D

Answer 8

1.56

Question 9

TRUE OR FALSE

For high strength steel, the plastic strain increases because of the increase on the ultimate strength

Answer 9

FALSE

Question 10

The limit state is the dividing between failure and

Answer 10

Survival

Question 11

TRUE OR FALSE

LRFD is all about allowable loads

Answer 11

FALSE

Question 12

TRUE OR FALSE

Reliability index is the number of times the measure of the variance is to the mean from the origin.

Answer 12

False

Question 13

By how many percent is LRFD cheaper for a Tension Member Design compared to ASD if L/D=1

Answer 13

6%

Question 14

TRUE OR FALSE

In ASD the values of the coefficient on the Load Combinations are not based on probabilities.

Answer 14

TRUE