Theory of Machine In considering friction of a V-thread, the virtual coefficient of friction (μ₁) is given by μ₁ = μ/cos β μ₁ = μ/sin β μ₁ = μ cos β μ₁ = μ sin β μ₁ = μ/cos β μ₁ = μ/sin β μ₁ = μ cos β μ₁ = μ sin β ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a point moves along a straight line, its acceleration will have Tangential component only Coriolis component only Radial component only Radial and tangential components both Tangential component only Coriolis component only Radial component only Radial and tangential components both ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by (where ω = Angular velocity of the cam shaft) ω (r₁ + r₂) cosθ cosec2θ ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) cosθ ω (r₁ r₂) sinθ ω (r₁ + r₂) cosθ cosec2θ ω (r₁ + r₂) sinθ sec2θ ω (r₁ r₂) cosθ ω (r₁ r₂) sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of rolling pair is Ball and socket joint Bolt and nut Ball bearing and roller bearing Lead screw of a lathe Ball and socket joint Bolt and nut Ball bearing and roller bearing Lead screw of a lathe ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3π Hz 6π Hz 6 Hz 3 Hz 3π Hz 6π Hz 6 Hz 3 Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an open pair, the two elements of a pair Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Have a line or point contact when in motion Are not held together mechanically Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Have a line or point contact when in motion Are not held together mechanically ANSWER DOWNLOAD EXAMIANS APP
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