Machine Design The arms of the pulleys for flat belt drive have All the three characteristics Elliptical cross-section Major axis twice the minor axis Major axis in plane of rotation All the three characteristics Elliptical cross-section Major axis twice the minor axis Major axis in plane of rotation ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if its efficiency is Equal to 50% Less than 50% None of these More than 50% Equal to 50% Less than 50% None of these More than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to W/9 8W/9 2W/3 W/2 W/9 8W/9 2W/3 W/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design An alien bolt is Self locking bolt Same as stud Provided with hexagonal depression in head Used in high speed components Self locking bolt Same as stud Provided with hexagonal depression in head Used in high speed components ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of pressure vessels having closed ends, the fluid pressure induces Longitudinal stress None of these Shear stress Circumferential stress Longitudinal stress None of these Shear stress Circumferential stress ANSWER DOWNLOAD EXAMIANS APP
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
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