Dear candidates you will find MCQ questions of Design of Machine Elements here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Explanation: stress intensity specifies the stress intensity at the tip of the crack.
Explanation: fracture toughness is directly proportional to a factor y that depends upon geometry of the part having crack.
Explanation: opening, sliding and tearing are the 3 modes.
Explanation: curved beam’s neutral axis is always curved irrespective of the loading.
Explanation: bending stress in a curved beam varies hyperbolically with the distance from neutral axis.
Explanation: all the mentioned parts are important components of knuckle joint.
Explanation: as the pin is subjected to double shear diameter (d) = √(2p/π x τ) = 38.80mm.
Explanation: knuckle joint can be used till the rods coincide or intersect in a plane.
Explanation: cotter joint is used when axial forces are applied.
Explanation: wedge action imparts tightening to the cotter joint.
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