Machine Design Which of the following screw thread is used for power transmission in one direction only? Square threads Buttress threads Acme threads Multiple threads Square threads Buttress threads Acme threads Multiple threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design In V-belt drive, belt touches Both at bottom and sides At sides only Could touch anywhere At bottom Both at bottom and sides At sides only Could touch anywhere At bottom ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a band and block brake, the ratio of tensions on the tight and slack sides of band is given by (where μ = Coefficient of friction between the blocks and the drum, θ = Semi-angle of each block subtending at the centre of drum, and n = Number of blocks) T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n T₁/T₂ = (μθ)n T₁/T₂ = μθ × n T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n T₁/T₂ = (μθ)n T₁/T₂ = μθ × n ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 0.75/(0.75 + √v) 6/(6 + v) 3/(3 + v) 4.5/(4.5 + v) 0.75/(0.75 + √v) 6/(6 + v) 3/(3 + v) 4.5/(4.5 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing in which although lubricant is present, the working surfaces __________ contact each other at least part of the time, is called boundary lubricated bearing. Partially None of these Fully Either A or B Partially None of these Fully Either A or B ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the stress induced in the wire is Shear stress Tensile stress Bending stress Compressive stress Shear stress Tensile stress Bending stress Compressive stress ANSWER DOWNLOAD EXAMIANS APP
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