What does the area under a shear force diagram for a beam represent?
Force acting on the beam
The bending moment acting on the beam
Elasticity of the beam
All of the above
What element would you add to mild steel to make it more hardenable during heat treating?
Manganese
Carbon
Chromium
Molybdenum
For a ductile material in tension, the point where a stress-strain curve begins to flatten represents:
Ultimate tensile strength
Yield strength
Modulus of elasticity
None of the above
A link in a linkage set that makes a complete revolution and one end is pivoted to relative ground is called:
A slider link
A free link
A crank
None of the above
What element would you add to steel to make it corrosion resistant?
Nickel
Chromium
Molybdenum
All of the above
Which of these considerations is essential to machine design?
Torsional stresses
Thermal stresses
Natural and excitation frequencies
All of the above
Which failure mode might limit the useful life of high-temperature machines?
Fatigue
Creep
Stress-rupture
All of the above
Why do engineers earn Master’s Degrees in Mechanical Engineering?
Increase their capability
Increase their opportunities
Increase their earnings
All of the above
