Machine Design When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus. 20 times 15 times 5 times 10 times 20 times 15 times 5 times 10 times 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 = 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The elasticity is the property of a material which enables it to Regains its original shape after deformation when the external forces are removed Draw into wires by the application of a tensile force Retain deformation produced under load permanently Resists fracture due to high impact loads Regains its original shape after deformation when the external forces are removed Draw into wires by the application of a tensile force Retain deformation produced under load permanently Resists fracture due to high impact loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is 10 microns 1 micron 0.1 micron 0.01 micron 10 microns 1 micron 0.1 micron 0.01 micron ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is an anti-friction bearing? Journal bearing Pedestal bearing Needle bearing Collar bearing Journal bearing Pedestal bearing Needle bearing Collar bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two springs are in series (having stiffness K), the equivalent stiffness will be K/4 K 2K K/2 K/4 K 2K K/2 ANSWER DOWNLOAD EXAMIANS APP
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