Machine Design In worm, gears, pitch lead angle is The angle between the tangent to the pitch helix and the plane of rotation None of these The angle between the tangent to the pitch helix and an element of the cylinder Half the angle between two inclined faces in axial plane The angle between the tangent to the pitch helix and the plane of rotation None of these The angle between the tangent to the pitch helix and an element of the cylinder Half the angle between two inclined faces in axial plane ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following key is preferred for the condition when a large amount of impact type torque is to be transmitted in both direction of rotation? Tangent key Feather key Gib-head key Woodruff key Tangent key Feather key Gib-head key Woodruff key ANSWER DOWNLOAD EXAMIANS APP
Machine Design Rankine's theory is used for Brittle materials Plastic materials Ductile materials Elastic materials Brittle materials Plastic materials Ductile materials Elastic materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design When carbon in the cast iron is principally in the form of graphite, the cast iron will be of Brown colour Grey colour White colour Yellow colour Brown colour Grey colour White colour Yellow colour ANSWER DOWNLOAD EXAMIANS APP
Machine Design Plastic flow in ductile materials Lessens the seriousness of static loading stress concentration Has no effect on it Depends on other considerations Increases the seriousness of static loading stress concentration Lessens the seriousness of static loading stress concentration Has no effect on it Depends on other considerations Increases the seriousness of static loading stress concentration 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) 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) 4μ sinθ/(θ + sinθ) ANSWER DOWNLOAD EXAMIANS APP
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