Machine Design Two closely coiled helical springs with stiffness k₁ and k₂ respectively are connected in series. The stiffness of an equivalent spring is given by (k₁ - k₂)/ (k₁ + k₂) (k₁ k₂)/ (k₁ + k₂) (k₁ + k₂)/ (k₁ k₂) (k₁ - k₂)/ (k₁ k₂) (k₁ - k₂)/ (k₁ + k₂) (k₁ k₂)/ (k₁ + k₂) (k₁ + k₂)/ (k₁ k₂) (k₁ - k₂)/ (k₁ k₂) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Set screws are 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 Similar to stud 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 Similar to stud ANSWER DOWNLOAD EXAMIANS APP
Machine Design In thrust bearings, the load acts Perpendicular to the axis of rotation In any direction Parallel to the axis of rotation Along the axis of rotation Perpendicular to the axis of rotation In any direction Parallel to the axis of rotation Along the axis of rotation ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a nut is tightened by placing a washer below it, the bolt will be subjected to following type of loads Combined loads Shear Compression Tension Combined loads Shear Compression Tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design For circumferential joint in boilers, the type of joint used is Lap joint with one ring overlapping the other Any one of the above Butt joint with single cover plate Butt joint with double cover plate Lap joint with one ring overlapping the other Any one of the above Butt joint with single cover plate Butt joint with double cover plate ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearings of heavy series have capacity __________ over the medium series. 10 to 20% 30 to 40% 20 to 30% 40 to 50% 10 to 20% 30 to 40% 20 to 30% 40 to 50% ANSWER DOWNLOAD EXAMIANS APP
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