Machine Design In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to Decrease the key length Increase the key width Increase the key length Increase the key depth Decrease the key length Increase the key width Increase the key length Increase the key depth ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle. Equal to None of these Smaller than Larger than Equal to None of these Smaller than Larger than ANSWER DOWNLOAD EXAMIANS APP
Machine Design A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole) Between 20d and 30d Greater than 30d Less than 20d Equal to inside diameter of pipe Between 20d and 30d Greater than 30d Less than 20d Equal to inside diameter of pipe ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.5 3 2.8 3.5 2.5 3 2.8 3.5 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 Have variable bending moment (M) in each leaf Make M/I constant throughout the length of the leaf Obtain variable moment of inertia (I) in each leaf Permit each leaf to act as an overhanging beam Have variable bending moment (M) in each leaf Make M/I constant throughout the length of the leaf Obtain variable moment of inertia (I) in each leaf ANSWER DOWNLOAD EXAMIANS APP
Machine Design A rivet is specified by Shank diameter Length of rivet Length of tail Type of head Shank diameter Length of rivet Length of tail Type of head ANSWER DOWNLOAD EXAMIANS APP
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