The centre distance between two meshing involute gears is equal to

More Questions from Machine Design

• The toughness of a material __________ when it is heated.
• In a flange coupling, the flanges are coupled together by means of
• Which of the following material has the maximum ductility?
• According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm)
• The application of third type levers is found in
• Two shafts A and B under pure torsion are of identical length and identical weight and are made of the same material. The shaft A is solid and the shaft B is hollow. We can say that
• The constant factor in case of R10 series of preferred numbers is
• The sleeve or muff coupling is designed as a
• A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole)
• Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material.

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