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
Theory of Machine The ratio of the number of teeth to the pitch circle diameter in millimeters, is called Diametral pitch Module Circular pitch None of these Diametral pitch Module Circular pitch None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship. Vertically and parallel Horizontally and perpendicular Horizontally and parallel Vertically and perpendicular Vertically and parallel Horizontally and perpendicular Horizontally and parallel Vertically and perpendicular ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap. Corners None of these Inner edge Outer edge Corners None of these Inner edge Outer edge ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The power of a Porter governor is equal to [2c²/(1 + 2c)] (m + M) g.h [3c²/(1 + 2c)] (m + M) g.h [c²/(1 + 2c)] (m + M) g.h [4c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h [3c²/(1 + 2c)] (m + M) g.h [c²/(1 + 2c)] (m + M) g.h [4c²/(1 + 2c)] (m + M) g.h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body) 0.4985/√δ 1/2π × √(g/δ) Any one of the listed here 1/2π × √(s/m) 0.4985/√δ 1/2π × √(g/δ) Any one of the listed here 1/2π × √(s/m) ANSWER DOWNLOAD EXAMIANS APP
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