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) 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) 4μ sinθ/(θ + sinθ) 4μ sinθ/(2θ + sin 2θ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cross-section of the arm of a bell crank lever is Rectangular Any one of these I-section Elliptical Rectangular Any one of these I-section Elliptical ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crowning on pulley helps In increasing the slip of the belt To increase pulley life To keep the belt in centre on a pulley while it is in motion In decreasing the slip of the belt In increasing the slip of the belt To increase pulley life To keep the belt in centre on a pulley while it is in motion In decreasing the slip of the belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a connecting rod, it is considered like __________ for buckling about Y-axis. One end fixed and the other end free Both ends hinged One end fixed and the other end hinged Both ends fixed One end fixed and the other end free Both ends hinged One end fixed and the other end hinged Both ends fixed ANSWER DOWNLOAD EXAMIANS APP
Machine Design A steel containing _________ 0.8% carbon is known as hypo-eutectoid steel. Greater than Less than None of these Equal to Greater than Less than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cold working Has no influence on fatigue strength Alone has no influence on fatigue strength Decreases the fatigue strength Increases the fatigue strength Has no influence on fatigue strength Alone has no influence on fatigue strength Decreases the fatigue strength Increases the fatigue strength ANSWER DOWNLOAD EXAMIANS APP
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