Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience Only linear acceleration No acceleration Both linear and angular acceleration Only angular acceleration Only linear acceleration No acceleration Both linear and angular acceleration Only angular acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating engine, usually __________ of the reciprocating masses are balanced. Three-fourth Whole One-half Two-third Three-fourth Whole One-half Two-third ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is obtained from lower pair? All of these Pantograph Valve and valve gears Gyroscope All of these Pantograph Valve and valve gears Gyroscope ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Efficiency of a screw jack is given by tan (α + φ)/tanα tanα/tan (α - φ) tanα/tan (α +φ) tan (α - φ)/tanα tan (α + φ)/tanα tanα/tan (α - φ) tanα/tan (α +φ) tan (α - φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component is encountered in Both (A) and (C) above Four bar chain mechanism Slider crank mechanism Quick return mechanism of shaper Both (A) and (C) above Four bar chain mechanism Slider crank mechanism Quick return mechanism of shaper ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lift the load W is given by (where α = Helix angle, and φ = Angle of friction) P = W tan(α - φ) P = W cos(α + φ) P = W tan(φ - α) P = W tan(α + φ) P = W tan(α - φ) P = W cos(α + φ) P = W tan(φ - α) P = W tan(α + φ) ANSWER DOWNLOAD EXAMIANS APP
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