Machine Design The helix angle for double helical gears may be made up to 75° 45° 60° 90° 75° 45° 60° 90° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. One-half One-fourth Double One-third One-half One-fourth Double One-third ANSWER DOWNLOAD EXAMIANS APP
Machine Design Antifriction bearings are Hydrodynamic bearings Thin lubricated bearings None of these Sleeve bearings Hydrodynamic bearings Thin lubricated bearings None of these Sleeve bearings ANSWER DOWNLOAD EXAMIANS APP
Machine Design In thrust bearings, the load acts Parallel to the axis of rotation Perpendicular to the axis of rotation Along the axis of rotation In any direction Parallel to the axis of rotation Perpendicular to the axis of rotation Along the axis of rotation In any direction 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 = [(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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cap screws are Provided with detachable caps Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between parts Slotted for a screw driver and generally used with a nut Provided with detachable caps Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between parts Slotted for a screw driver and generally used with a nut ANSWER DOWNLOAD EXAMIANS APP
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