Machine Design
The dynamic tooth load is due to

Deflections of teeth under load
All of these
Inaccuracies of tooth spacing
Irregularities in tooth profiles

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Machine Design
Which is correct statement? Stress concentration in cyclic loading is

Seriousness would depend on other factors
Equally serious in both types of materials
Very serious in brittle materials and less serious in ductile materials
Very serious in ductile materials and less serious in brittle materials

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