Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. Both A and B Increasing None of these Reducing Both A and B Increasing None of these Reducing 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
Machine Design The shear stress at a point in a shaft subjected to a torque is Directly proportional to the applied torque and inversely proportional to the polar moment of inertia Directly proportional to the applied torque and the polar moment of inertia Directly proportional to the polar moment of inertia and to the distance of the point from the axis Inversely proportional to the applied torque and the polar moment of inertia Directly proportional to the applied torque and inversely proportional to the polar moment of inertia Directly proportional to the applied torque and the polar moment of inertia Directly proportional to the polar moment of inertia and to the distance of the point from the axis Inversely proportional to the applied torque and the polar moment of inertia ANSWER DOWNLOAD EXAMIANS APP
Machine Design For applications involving high stresses in one direction only the following type of thread would be best suited ISO metric thread Acme thread Buttress thread Square thread ISO metric thread Acme thread Buttress thread Square thread ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft coupling should Be easy to connect or disconnect Hold the shafts in perfect alignment Transmit full power of the shaft All of these Be easy to connect or disconnect Hold the shafts in perfect alignment Transmit full power of the shaft All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 7 N-m 15 N-m 10 N-m 5 N-m 7 N-m 15 N-m 10 N-m 5 N-m ANSWER DOWNLOAD EXAMIANS APP