Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 4D3n Gd⁴/ 8D²n Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 4D3n Gd⁴/ 8D²n ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, The tension in tight side is twice the centrifugal tension The tension in slack side is equal to the centrifugal tension The tension in tight side is thrice the centrifugal tension None of these The tension in tight side is twice the centrifugal tension The tension in slack side is equal to the centrifugal tension The tension in tight side is thrice the centrifugal tension None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material generally used for aircraft components is High speed steel Aluminium Mild steel Stainless steel High speed steel Aluminium Mild steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design The buckling load will be maximum for a column, if Both ends of the column are clamped One end of the column is hinged and the other end is free Both ends of the column are hinged One end of the column is clamped and the other end is free Both ends of the column are clamped One end of the column is hinged and the other end is free Both ends of the column are hinged One end of the column is clamped and the other end is free ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for precision metallic gears cut with high accuracy and operating at velocities up to 20 m/s is equal to 0.75/ (0.75 + √v) 3/ (3 + v) 6/ (6 + v) 4.5/ (4.5 + v) 0.75/ (0.75 + √v) 3/ (3 + v) 6/ (6 + v) 4.5/ (4.5 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design For low and moderate speed engines, the cam follower should move with Uniform acceleration and retardation Simple harmonic motion Cycloidal motion Uniform velocity Uniform acceleration and retardation Simple harmonic motion Cycloidal motion Uniform velocity ANSWER DOWNLOAD EXAMIANS APP
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