Machine Design The cross-section of the arm of a bell crank lever is Any one of these I-section Elliptical Rectangular Any one of these I-section Elliptical Rectangular ANSWER DOWNLOAD EXAMIANS APP
Machine Design Surface endurance limit of gear material is dependent upon its Toughness Brinell hardness number Yield strength Elastic strength Toughness Brinell hardness number Yield strength Elastic strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design Residual stress in materials Becomes zero when external load is removed Is always harmful Acts when external load is applied Is independent of external loads Becomes zero when external load is removed Is always harmful Acts when external load is applied Is independent of external loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The railway carriage couplings have Knuckle threads Acme threads Buttress threads Square threads Knuckle threads Acme threads Buttress threads Square threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm². If the permissible tensile stress in the metal is 20 N/mm², then the thickness of the metal required for making the pipe will be 25 mm 15 mm 10 mm 5 mm 25 mm 15 mm 10 mm 5 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be 3W/A 2W/A W/A W/2A 3W/A 2W/A W/A W/2A ANSWER DOWNLOAD EXAMIANS APP