Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) 0.5 d 0.75 d 1.25 d d 0.5 d 0.75 d 1.25 d d ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrostatic bearings Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease is used for lubrication The Oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease is used for lubrication The Oil film pressure is generated only by the rotation of the journal ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will Move towards right of the bearing making the metal to metal contact Move towards left of the bearing making metal to metal contact Move towards right of the bearing making no metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making the metal to metal contact Move towards left of the bearing making metal to metal contact Move towards right of the bearing making no metal to metal contact Have contact at the bottom most of the bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The function of a washer is to Provide bearing area Absorb shocks and vibrations Provide smooth surface in place of rough surface Provide cushioning effect Provide bearing area Absorb shocks and vibrations Provide smooth surface in place of rough surface Provide cushioning effect ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value? Maximum principal stress theory Maximum strain energy theory Maximum distortion energy theory Maximum shear stress theory Maximum principal stress theory Maximum strain energy theory Maximum distortion energy theory Maximum shear stress theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cap screws are Provided with detachable caps Slotted for a screw driver and generally used with a nut Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between parts Provided with detachable caps Slotted for a screw driver and generally used with a nut Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between parts ANSWER DOWNLOAD EXAMIANS APP
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