Theory of Machine Higher pairs are those which have Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion 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 - 1)/n ω²r. n/(n + 1) ω²r. (n + 1)/n ω²r. n/(n - 1) ω²r. (n - 1)/n ω²r. n/(n + 1) ω²r. (n + 1)/n ω²r. n/(n - 1) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from 10°-15° 25°-30° 15°-25° 30°-40° 10°-15° 25°-30° 15°-25° 30°-40° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced primary forces in a reciprocating engine are Balanced by secondary forces Balanced partially Balanced completely Not balanced Balanced by secondary forces Balanced partially Balanced completely Not balanced ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which gear is used for connecting two coplanar and intersecting shafts? Spur gear Helical gear Bevel gear None of these Spur gear Helical gear Bevel gear None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum _________ in one revolution of the crank. Eight times Four times Sixteen times Twice Eight times Four times Sixteen times Twice ANSWER DOWNLOAD EXAMIANS APP