Theory of Machine Which of the following statement is correct for involute gears? The variation in centre distance of shafts increases radial force. The pressure angle is constant throughout the teeth engagement. A convex flank is always in contact with concave flank. The interference is inherently absent. The variation in centre distance of shafts increases radial force. The pressure angle is constant throughout the teeth engagement. A convex flank is always in contact with concave flank. The interference is inherently absent. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Length of arc of contact is given by Arc of approach - Arc of recess Arc of approach / Arc of recess Arc of approach × Arc of recess Arc of approach + Arc of recess Arc of approach - Arc of recess Arc of approach / Arc of recess Arc of approach × Arc of recess Arc of approach + Arc of recess ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be ω² r {n/(n + 1)} ω² r {(n - 1)/n} ω² r {n/(n - 1)} ω² r {(n + 1)/n} ω² r {n/(n + 1)} ω² r {(n - 1)/n} ω² r {n/(n - 1)} ω² r {(n + 1)/n} ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum value of the pressure angle in case of cam is kept as 30° 14° 20° 10° 30° 14° 20° 10° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham's coupling is the Second inversion of single slider crank chain Second inversion of double slider crank chain Third inversion of slider crank chain Third inversion of double slider crank chain Second inversion of single slider crank chain Second inversion of double slider crank chain Third inversion of slider crank chain Third inversion of double slider crank chain ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where δ = Static deflection of a simply supported shaft due to the point load) 0.4985/√δ 0.6253/√δ 0.5615/√δ 0.571/√δ 0.4985/√δ 0.6253/√δ 0.5615/√δ 0.571/√δ ANSWER DOWNLOAD EXAMIANS APP