Machine Design The spring mostly used in gramophones is Volute spring Flat spiral spring Helical spring Conical spring Volute spring Flat spiral spring Helical spring Conical spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design The load cup of a screw jack is made separate from the head of the spindle to Reduce the effort needed for lifting the working load Enhance the load carrying capacity of the jack Prevent the rotation of load being lifted Reduce the value of frictional torque Reduce the effort needed for lifting the working load Enhance the load carrying capacity of the jack Prevent the rotation of load being lifted Reduce the value of frictional torque ANSWER DOWNLOAD EXAMIANS APP
Machine Design The function of a washer is to Provide smooth surface in place of rough surface Provide cushioning effect Provide bearing area Absorb shocks and vibrations Provide smooth surface in place of rough surface Provide cushioning effect Provide bearing area Absorb shocks and vibrations ANSWER DOWNLOAD EXAMIANS APP
Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 90° 45° 67.5° 22.5° 90° 45° 67.5° 22.5° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact) log (T₁/T₂) = μθ T₁/T₂ = log μθ T₁/T₂ =eμθ T₁/T₂ = μθ log (T₁/T₂) = μθ T₁/T₂ = log μθ T₁/T₂ =eμθ T₁/T₂ = μθ ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called Boundary lubricated bearing Zero film bearing Hydrodynamic lubricated bearing Hydrostatic lubricated bearing Boundary lubricated bearing Zero film bearing Hydrodynamic lubricated bearing Hydrostatic lubricated bearing ANSWER DOWNLOAD EXAMIANS APP
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