Machine Design For a shoe brake, the equivalent coefficient of friction is equal to (where μ = Actual coefficient of friction, and θ = Semi-block angle) 4μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) μ sinθ/(2θ + sin 2θ) 2μ sinθ/(θ + sinθ) 4μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) μ sinθ/(2θ + sin 2θ) 2μ sinθ/(θ + sinθ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent twisting moment is equal to M + √(M² + T²) (1/2) × √(M² + T²) √(M² + T²) (1/2) × [M + √(M² + T²)] M + √(M² + T²) (1/2) × √(M² + T²) √(M² + T²) (1/2) × [M + √(M² + T²)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design In helical gears, the distance between similar faces of adjacent teeth along a helix on the pitch cylinders normal to the teeth, is called Normal pitch Diametral pitch Module Axial pitch Normal pitch Diametral pitch Module Axial pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cast iron pipes are mainly used In pressure lubrication systems on prime movers In water and sewage systems For conveying steam All of these In pressure lubrication systems on prime movers In water and sewage systems For conveying steam All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing. None of these Thin film Either A or B Thick film None of these Thin film Either A or B Thick film ANSWER DOWNLOAD EXAMIANS APP
Machine Design A fast and loose pulley drive is used when Shafts are arranged parallel and rotate in the same directions Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged parallel and rotate in the opposite directions Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the same directions Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged parallel and rotate in the opposite directions Shafts are arranged at right angles and rotate in one definite direction ANSWER DOWNLOAD EXAMIANS APP
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