Theory of Machine Which of the following is a higher pair? Sliding pair Screw pair Belt and pulley Turning pair Sliding pair Screw pair Belt and pulley Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience No acceleration Only angular acceleration Only linear acceleration Both linear and angular acceleration No acceleration Only angular acceleration Only linear acceleration Both linear and angular acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of the reciprocating roller follower, when it has contact with the straight flanks of the tangent cam, is given by (where r₁ = Minimum radius of the cam, r₂ = Radius of the roller follower, and θ = Angle turned by the cam from the beginning of the follower displacement) (r₁ + r₂) (1 + cosθ) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) (1 - cosθ) (r₁ + r₂) (1 + cosθ) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) (1 - cosθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four stroke I.C. engine, the turning moment during the compression stroke is Negative during major portion of the stroke Negative throughout Positive throughout Positive during major portion of the stroke Negative during major portion of the stroke Negative throughout Positive throughout Positive during major portion of the stroke ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the inner dead center, in a reciprocating steam engine, then the acceleration of the piston will be ω²r. n/(n + 1) ω²r. (n + 1)/n ω²r. (n - 1)/n ω²r. n/(n - 1) ω²r. n/(n + 1) ω²r. (n + 1)/n ω²r. (n - 1)/n ω²r. n/(n - 1) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links in pantograph mechanism is equal to 5 3 2 4 5 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
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