MACHINE DESIGN QUIZ

(p - d) t.σt

p.d.σt

p.t.σt

Obtain variable moment of inertia (I) in each leaf

Have variable bending moment (M) in each leaf

Make M/I constant throughout the length of the leaf

Permit each leaf to act as an overhanging beam

Increases the seriousness of static loading stress concentration

Lessens the seriousness of static loading stress concentration

Depends on other considerations

Has no effect on it

60°

45°

90°

75°

Is independent of external loads

Is always harmful

Acts when external load is applied

Becomes zero when external load is removed

None of these

Equating tearing resistance of the plate to the crushing resistance of the rivets

Equating tearing resistance of the plate to the shearing resistance of the rivets

Equating shearing resistance to the crushing resistance of the rivets

Load required to produce unit deflection

Its capability of storing energy

Concerned with strength of wire of spring

Ratio of coil diameter to wire diameter

Less than 50%

Equal to 50%

None of these

More than 50%

Nonferrous materials

Plastic materials

Ductile materials

Brittle materials

22.5°

90°

45°

67.5°