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) Gd⁴/ 4D3n Gd⁴/ 8D3n Gd3/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n Gd⁴/ 8D3n Gd3/ 8D3n Gd⁴/ 8D²n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The property of a bearing material which has the ability to accommodate small particles of dust, grit etc. without scoring the material of the journal, is called Bondability Comformability Fatigue strength Embeddability Bondability Comformability Fatigue strength Embeddability ANSWER DOWNLOAD EXAMIANS APP
Machine Design The groove angle of the pulley for rope drive is usually 20° 45° 60° 35° 20° 45° 60° 35° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The value of stress concentration factor depends upon None of these Material and geometry of the part Material of the part Geometry of the part None of these Material and geometry of the part Material of the part Geometry of the part ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is adopted for power transmission in either direction? Buttress threads Square threads Acme threads Multiple threads Buttress threads Square threads Acme threads Multiple threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Machine screws are Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud Used to prevent relative motion between two parts 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 Similar to stud Used to prevent relative motion between two parts Slotted for a screw driver and generally used with a nut ANSWER DOWNLOAD EXAMIANS APP
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