Uploaded by ninjadablack5

Mechanics of Materials Concept Questions Exam 2

advertisement
AE 333
EXAM 2
CONCEPT PORTION
SU 2020
25 POINTS
LAST NAME:
FIRST NAME:
1. See Figure P4-5 on page 133 (bottom right corner) of Text Book:
Which member or members are axially loaded:



Member AB
Member AD
Member BC
Type your answer here:
2.
a)
What is a statically indeterminate problem?
Type your answer here:
b)
To solve an axially loaded statically indeterminate problem, an additional
equation is formulated from:
Type your answer here:
c) Deformation in members due to temperature variation is measured by the formula:
δT = αΔTL. Identify each term on the Right Hand Side, giving SI units as well:
Type your answer here:
Αlpha:
ΔT:
L:
1
AE 333
EXAM 2
CONCEPT PORTION
SU 2020
3. A hundred mm long rod has a diameter of 15 mm. If an axial tensile load of 10 kN is
applied to it, answer the following:



Lateral strain will be positive/zero/negative
Type Answer here:
Poisson’s ratio will be positive/zero/negative
Type Answer here:
In few words, justify the need for a negative sign in the formula for Poisson’s
Ratio:
Type your answer here:
----------------------------------------End of Concept Portion-------------------------------------
2
Download