Machine Design In order to obtain bolt of uniform strength Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase its length Tighten die bolt properly Increase shank diameter Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase its length Tighten die bolt properly Increase shank diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear plane in case of bolts should Be across threaded portion of shank Never be across the threaded portion Be parallel to axis of bolt Be normal to threaded portion of shank Be across threaded portion of shank Never be across the threaded portion Be parallel to axis of bolt Be normal to threaded portion of shank ANSWER DOWNLOAD EXAMIANS APP
Machine Design Multiple threads are used to secure High load lifting capacity High mechanical advantage High efficiency Low efficiency High load lifting capacity High mechanical advantage High efficiency Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design A taper key which fits half in the key way of the hub and half in the key way of shaft, is known as Internal bevel gears Angular bevel gears Crown Bevel gears Mitre gears Internal bevel gears Angular bevel gears Crown Bevel gears Mitre gears ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crushing resistance required to crush the rivet per pitch length is p.d.σc p.t.σc n.d.t.σc (p - d) t.σc p.d.σc p.t.σc n.d.t.σc (p - d) t.σc ANSWER DOWNLOAD EXAMIANS APP
Machine Design The gears are termed as medium velocity gears, if their peripheral velocity is 15-30 m/s 30-50 m/s 1-3 m/s 3-15 m/s 15-30 m/s 30-50 m/s 1-3 m/s 3-15 m/s ANSWER DOWNLOAD EXAMIANS APP
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