Theory of Machine If the opposite links of a four bar linkage are equal, the links will always form a Rectangle Triangle Pentagon Parallelogram Rectangle Triangle Pentagon Parallelogram ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, the acceleration of the piston is _________ when the crank OC and connecting rod PC are at right angles to each other. Any +ve value Infinity Zero Any -ve value Any +ve value Infinity Zero Any -ve value 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 Which of the following is a turning pair? Lead screw of a lathe with nut Piston and cylinder of a reciprocating steam engine Shaft with collars at both ends fitted into a circular hole Ball and a socket joint Lead screw of a lathe with nut Piston and cylinder of a reciprocating steam engine Shaft with collars at both ends fitted into a circular hole Ball and a socket joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The working depth of a gear is the radial distance from the Pitch circle to the top of a tooth Addendum circle to the clearance circle Pitch circle to the bottom of a tooth Top of a tooth to the bottom of a tooth Pitch circle to the top of a tooth Addendum circle to the clearance circle Pitch circle to the bottom of a tooth Top of a tooth to the bottom of a tooth ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to G².I₂ G.I₂ I₂/G I₂/G² G².I₂ G.I₂ I₂/G I₂/G² ANSWER DOWNLOAD EXAMIANS APP