Machine Design Which of the following property is essential for spring materials? Resilience Stiffness Plasticity Ductility Resilience Stiffness Plasticity Ductility ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.8 2.5 3 3.5 2.8 2.5 3 3.5 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 2 T 1 T T/2 4 T 2 T 1 T T/2 4 T ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) t.τu π/4 × d² × tτu π/4 × d².τu πd.t.τu t.τu π/4 × d² × tτu π/4 × d².τu πd.t.τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design Resistance to fatigue of a material is measured by Endurance limit Elastic limit Coefficient of elasticity Young's modulus Endurance limit Elastic limit Coefficient of elasticity Young's modulus ANSWER DOWNLOAD EXAMIANS APP
Machine Design A V-belt designated as B 4430 LP has 4430 mm as centre distance between pulleys 4430 mm as diameter of large pulley 4430 mm as nominal pitch length 4430 mm as diameter of small pulley 4430 mm as centre distance between pulleys 4430 mm as diameter of large pulley 4430 mm as nominal pitch length 4430 mm as diameter of small pulley ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS