Automobile Designer Question:
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What is Hertzian stress?

(a) Tensile stress on inner surface of cylinder
(b) Bending stress on two contact surface
(c) Contact stress on two contact surfaces
(d) Shear stress on two contact surfaces

Answer:

(c) Contact stress on two contact surfaces

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Tell me what are the basis on which the best material for Sliding Contact Bearings manufacturing?Backlash is

(a) Sum of the clearance of two gears
(b) Mutual play between two gears
(c) Amount by which the width of a tooth space exceeds the thickness of the engaging tooth on pitch circle
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