Machine Design Which of the following is a permanent fastening? Rivets Keys Bolts Cotters Rivets Keys Bolts Cotters ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter of the rivet hole (d) is obtained by 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 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ends of the leaves of a semi-elliptical leaf spring are made triangular in order to Permit each leaf to act as an overhanging beam Make M/I constant throughout the length of the leaf Have variable bending moment (M) in each leaf Obtain variable moment of inertia (I) in each leaf Permit each leaf to act as an overhanging beam Make M/I constant throughout the length of the leaf Have variable bending moment (M) in each leaf Obtain variable moment of inertia (I) in each leaf ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the tearing efficiency of a riveted joint is 75%, then the ratio of diameter of rivet to the pitch is equal to 0.6 0.25 0.2 0.5 0.6 0.25 0.2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Oldham coupling is used to connect two shafts Which have lateral misalignment Whose axes intersect at a small angle Which are perfectly aligned Which are not in exact alignment Which have lateral misalignment Whose axes intersect at a small angle Which are perfectly aligned Which are not in exact alignment ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° - φ 45° - φ/2 90° - φ 45° + φ/2 45° - φ 45° - φ/2 90° - φ 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
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