Theory of Machine Which of the following is an open pair? Journal bearing Ball and socket joint Lead screw and nut Cam and follower Journal bearing Ball and socket joint Lead screw and nut Cam and follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the anticlockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) ω₁.ω₂.r (ω₁ - ω₂) r (ω₁ + ω₂) r (ω₁ - ω₂) 2r ω₁.ω₂.r (ω₁ - ω₂) r (ω₁ + ω₂) r (ω₁ - ω₂) 2r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A higher pair has__________. Point contact Surface contact No contact None of these Point contact Surface contact No contact None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to One π π/2 Zero One π π/2 Zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The condition for correct steering of a Davis steering gear is (where α = Angle of inclination of the links to the vertical) cosα = c/b cotα = c/2b tanα = c/2b sinα = b/c cosα = c/b cotα = c/2b tanα = c/2b sinα = b/c ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine To obviate axial thrust, following gear drive is used Single helical gear in which one of the teeth of helix angle a is more Double helical gears having opposite teeth Double helical gears having identical teeth Mutter gears Single helical gear in which one of the teeth of helix angle a is more Double helical gears having opposite teeth Double helical gears having identical teeth Mutter gears ANSWER DOWNLOAD EXAMIANS APP
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