Theory of Machine When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a Higher pair Lower pair Self-closed pair Force-closed pair Higher pair Lower pair Self-closed pair Force-closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to 0° and 90° 135° and 315° 270° and 360° 90° and 180° 0° and 90° 135° and 315° 270° and 360° 90° and 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to D₂/D₁ D₁/D₂ D₁ D₁.D₂ D₂/D₁ D₁/D₂ D₁ D₁.D₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The effort of a Porter governor is equal to (where c = Percentage increase in speed, m = Mass of ball, and M = Mass on the sleeve) c (m + M) g c/(m + M) g c/(m - M) g c (m - M) g c (m + M) g c/(m + M) g c/(m - M) g c (m - M) g ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke. 2θ θ θ/2 4θ 2θ θ θ/2 4θ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Shaft revolving in a bearing is the following type of pair Lower pair Cylindrical pair Higher pair Spherical pair Lower pair Cylindrical pair Higher pair Spherical pair ANSWER DOWNLOAD EXAMIANS APP
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