Theory of Machine A spring controlled governor is said to be isochronous when the controlling force Remain constant for all radii of rotation Decreases as the radius of rotation increases Increases as the radius of rotation increases Increases as the radius of rotation decreases Remain constant for all radii of rotation Decreases as the radius of rotation increases Increases as the radius of rotation increases Increases as the radius of rotation decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A slider moves at a velocity v on a link revolving at ω rad/s. The coriolis component of acceleration is ωv 2ωv 2ωv² ω²v ωv 2ωv 2ωv² ω²v ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of spherical pair is Bolt and nut Lead screw of a lathe Ball bearing and roller bearing Ball and socket joint Bolt and nut Lead screw of a lathe Ball bearing and roller bearing Ball and socket joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A system of masses rotating in different parallel planes is in dynamic balance if the Resultant couple is equal to zero Resultant force is equal to zero Resultant force and resultant couple are both equal to zero Resultant force is numerically equal to the resultant couple, but neither of them need necessarily be zero Resultant couple is equal to zero Resultant force is equal to zero Resultant force and resultant couple are both equal to zero Resultant force is numerically equal to the resultant couple, but neither of them need necessarily be zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's method of construction for reciprocating engine mechanism Is a simplified form of instantaneous center method Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine Is based on acceleration diagram Enables determination of Cariole’s component Is a simplified form of instantaneous center method Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine Is based on acceleration diagram Enables determination of Cariole’s component ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 45° + φ/2 α = 90° + φ α = 45° - φ/2 α = 90° - φ α = 45° + φ/2 α = 90° + φ α = 45° - φ/2 α = 90° - φ ANSWER DOWNLOAD EXAMIANS APP
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