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/(n - 1)} ω² r {(n - 1)/n} ω² r {(n + 1)/n} ω² r {n/(n + 1)} ω² r {n/(n - 1)} ω² r {(n - 1)/n} ω² r {(n + 1)/n} ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because The system is unbalanced The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis The system is unbalanced The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The cam follower generally used in aircraft engines is Roller follower Knife edge follower Spherical faced follower Flat faced follower Roller follower Knife edge follower Spherical faced follower Flat faced follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a Structure Kinematic chain Inversion Mechanism Structure Kinematic chain Inversion Mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in Three planes A single plane Four planes Two planes Three planes A single plane Four planes Two planes ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Peaucellier’s mechanism has Four links Six links Twelve links Eight links Four links Six links Twelve links Eight links ANSWER DOWNLOAD EXAMIANS APP