Machine Design The rivet head used for boiler plate riveting is usually Counter sunk head Snap head Pan Head Conical head Counter sunk head Snap head Pan Head Conical head ANSWER DOWNLOAD EXAMIANS APP
Machine Design The difference between the upper limit and lower limit of a dimension is called Tolerance Actual size Nominal size Basic size Tolerance Actual size Nominal size Basic size ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength Increase shank diameter Increase its length Tighten die bolt properly Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase shank diameter Increase its length Tighten die bolt properly Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting centrifugal tension) will be equal to (Where, Pc is centrifugal tension) P1 - P2 P1 + P2 ⅟₂ × (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 - P2 P1 + P2 ⅟₂ × (P1 + P2) [⅟₂ × (P1 + P2)] + Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design The distribution of the forces along the length of key fitted in a shaft Is uniform throughout Varies exponentially, being more near the torque-input end Varies exponentially, being less near the torque-input end Varies linearly Is uniform throughout Varies exponentially, being more near the torque-input end Varies exponentially, being less near the torque-input end Varies linearly 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 3.0 2.5 3.5 2.8 3.0 2.5 3.5 2.8 ANSWER DOWNLOAD EXAMIANS APP
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