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 Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 8D²n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to 4 T T/2 2 T 1 T 4 T T/2 2 T 1 T ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cold working of metals is carried out __________ the recrystallization temperature. None of these Above Below At None of these Above Below At ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material commonly used for crane hooks is Wrought iron Cast iron Mild steel Aluminium Wrought iron Cast iron Mild steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following property is essential for spring materials? Stiffness Plasticity Ductility Resilience Stiffness Plasticity Ductility Resilience ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting centrifugal tension) will be equal to (Where, Pc is centrifugal tension) P1 + P2 [⅟₂ × (P1 + P2)] + Pc P1 - P2 ⅟₂ × (P1 + P2) P1 + P2 [⅟₂ × (P1 + P2)] + Pc P1 - P2 ⅟₂ × (P1 + P2) ANSWER DOWNLOAD EXAMIANS APP
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