Machine Design The gears are termed as medium velocity gears, if their peripheral velocity is 15-30 m/s 1-3 m/s 3-15 m/s 30-50 m/s 15-30 m/s 1-3 m/s 3-15 m/s 30-50 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design Basic hole is one Whose upper deviation is zero Whose lower as well as upper deviations are zero Whose lower deviation is zero Does not exist Whose upper deviation is zero Whose lower as well as upper deviations are zero Whose lower deviation is zero Does not exist 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 = 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 T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n 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 When a machine member is subjected to torsion, the torsional shear stress set up in the member is Zero at both the centroidal axis and outer surface of the member Maximum at the centroidal axis and zero at the outer surface of the member Maximum at both the centroidal axis and outer surface of the member Zero at the centroidal axis and maximum at the outer surface of the member Zero at both the centroidal axis and outer surface of the member Maximum at the centroidal axis and zero at the outer surface of the member Maximum at both the centroidal axis and outer surface of the member Zero at the centroidal axis and maximum at the outer surface of the member ANSWER DOWNLOAD EXAMIANS APP
Machine Design Antifriction bearings are Sleeve bearings Hydrodynamic bearings None of these Thin lubricated bearings Sleeve bearings Hydrodynamic bearings None of these Thin lubricated bearings ANSWER DOWNLOAD EXAMIANS APP