Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 1420 d 2840 d 2080 d 1680 d 1420 d 2840 d 2080 d 1680 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of idler pulley in belt drive is to Decrease the tendency of belt to slip Increase the power transmission capacity Increase the wrap angle and belt tension All the above objectives Decrease the tendency of belt to slip Increase the power transmission capacity Increase the wrap angle and belt tension All the above objectives ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a metal or alloy is cold worked, None of these Both (A) and (B) Its hardness and strength increases It is worked below recrystallization temperature None of these Both (A) and (B) Its hardness and strength increases It is worked below recrystallization temperature ANSWER DOWNLOAD EXAMIANS APP
Machine Design For high speed engines, the cam follower should move with Cycloidal motion Uniform acceleration and retardation Uniform velocity Simple harmonic motion Cycloidal motion Uniform acceleration and retardation Uniform velocity Simple harmonic motion 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 Obtain variable moment of inertia (I) in each leaf Make M/I constant throughout the length of the leaf Permit each leaf to act as an overhanging beam Have variable bending moment (M) in each leaf Obtain variable moment of inertia (I) in each leaf Make M/I constant throughout the length of the leaf ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt of uniform strength can be developed by Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt None of these Keeping the nominal diameter of threads equal to the diameter of unthreaded portion of the bolt Keeping the core diameter smaller than the diameter of the unthreaded portion Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt None of these Keeping the nominal diameter of threads equal to the diameter of unthreaded portion of the bolt Keeping the core diameter smaller than the diameter of the unthreaded portion ANSWER DOWNLOAD EXAMIANS APP
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