Machine Design Ball bearing type screws are found in following application Crane Aeroplane engines Steering mechanism Screw jack Crane Aeroplane engines Steering mechanism Screw jack ANSWER DOWNLOAD EXAMIANS APP
Machine Design A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell. The pitch of the rivets in the outer row is double the pitch in the inner row and zigzag riveting is proposed. Which of the following statement is correct? There are four rivets per pitch length, all in double shear There are five rivets per pitch length, out of which four are in double shear and one is in single shear There are five rivets per pitch length, all in double shear There are four rivets per pitch length, out of which two are in single shear and two are in double shear There are four rivets per pitch length, all in double shear There are five rivets per pitch length, out of which four are in double shear and one is in single shear There are five rivets per pitch length, all in double shear There are four rivets per pitch length, out of which two are in single shear and two are in double shear ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be τ/2 4 τ τ 2 τ τ/2 4 τ τ 2 τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the levers of third type, the mechanical advantage is __________ one. Less than None of these Equal to More than Less than None of these Equal to More than ANSWER DOWNLOAD EXAMIANS APP
Machine Design Brittle coating technique is used for Protecting metal against wear and tear Determining brittleness Protecting metal against corrosion Experimental stress analysis Protecting metal against wear and tear Determining brittleness Protecting metal against corrosion Experimental stress analysis ANSWER DOWNLOAD EXAMIANS APP
Machine Design The spring mostly used in gramophones is Volute spring Helical spring Conical spring Flat spiral spring Volute spring Helical spring Conical spring Flat spiral spring ANSWER DOWNLOAD EXAMIANS APP
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