Machine Design In the levers of first type, the mechanical advantage is ________ one. More than None of these Less than Equal to More than None of these Less than Equal to 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, out of which two are in single shear and two are 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, 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 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, all in double shear 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 2.5 3.5 3 2.8 2.5 3.5 3 2.8 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle for the V-belt is usually 40°-60° 30°-40° 60°-80° 10°-20° 40°-60° 30°-40° 60°-80° 10°-20° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Failure of a material is called fatigue when it fails At the yield point At the elastic limit Below the yield point Below the elastic limit At the yield point At the elastic limit Below the yield point Below the elastic limit ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gear box is used To produce torque For speed reduction To obtain variable speeds To increase efficiency of system To produce torque For speed reduction To obtain variable speeds To increase efficiency of system ANSWER DOWNLOAD EXAMIANS APP
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