Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 7 N-m 5 N-m 15 N-m 10 N-m 7 N-m 5 N-m 15 N-m 10 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design The number of slots in a 25 mm castle nut is 2 6 8 4 2 6 8 4 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue life of a part can be improved by Electroplating Shot peening Polishing Coating Electroplating Shot peening Polishing Coating ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two non-intersecting and non-coplanar shafts are connected by gears, the arrangement is known as Bevel gearing Spur gearing Spiral gearing Helical gearing Bevel gearing Spur gearing Spiral gearing Helical gearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in the belt Increases the power transmitted Decreases the power transmitted Is equal to maximum tension on the belt Has no effect on the power transmitted Increases the power transmitted Decreases the power transmitted Is equal to maximum tension on the belt Has no effect on the power transmitted ANSWER DOWNLOAD EXAMIANS APP
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
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