Machine Design -Day 2

1. Molybdenum-chromium-nickel steel designation:
A. SAE 48XX
B. SAE 43XX
C. SAE 56XX
D. SAE 46XX

2. The rigidity of polymer can be increased by:
A. normalizing
B. crystallization
C. furnace melting
D. shot peening

3. Stresses that are independent of loads is called:
A. working stress
B. simple stress

C. combined stress

D. residual stress

4. Chromium steel standard designation, SAE:

A. 92XX

B. 5XXX

C. 3XXX

D. 11XX

5. Ability to resist deformation under stress:

A. plasticity

B. stiffness

C. toughness

D. all of these

6. A lathe machine threading mechanism:

A. spindle gear

B. reverse gear and lever

C. change stud gear

D. all of these

7. The best instrument for measuring a thousand of an inch:

A. micrometer

B. tachometer

C. pyrometer

D. caliper

8. Normal stress relieving temperature for cast steel:

A. 200 to 350 degrees F

B. 400 to 500 degrees F

C. 300 to 400 degrees F

D. 450 to 550 degrees F

9. The three moment of equation may be used to analyze:

A. tapered column

B. composite beam

C. continuous beam

D. axially and loaded beam

10. The ability of a metal to be deformed considerably without rupture is called:

A. plasticity

B. ductility

C. malleability

D. all of these

back to Machine Design Elements