Machine Design According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be 63 to 70% 45 to 60% 70 to 83% 80 to 90% 63 to 70% 45 to 60% 70 to 83% 80 to 90% 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 = μθ × n T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n T₁/T₂ = (μθ)n T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n T₁/T₂ = μθ × n T₁/T₂ = [(1 - μ tanθ)/ (1 + μ tanθ)]n T₁/T₂ = (μθ)n T₁/T₂ = [(1 + μ tanθ)/ (1 - μ tanθ)]n ANSWER DOWNLOAD EXAMIANS APP
Machine Design When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as Internal bevel gears Miter gears Angular bevel gears Crown bevel gears Internal bevel gears Miter gears Angular bevel gears Crown bevel gears ANSWER DOWNLOAD EXAMIANS APP
Machine Design The helix angle for double helical gears may be made up to 75° 90° 45° 60° 75° 90° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The power transmitted by the belt drive can be increased by Increasing the initial tension in the belt Dressing the belt to increase the coefficient of friction Increasing wrap angle by using idler pulley All of these Increasing the initial tension in the belt Dressing the belt to increase the coefficient of friction Increasing wrap angle by using idler pulley All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rocker arms in internal combustion engines are of__________. None of these Second type levers First type levers Third type levers None of these Second type levers First type levers Third type levers ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS