Theory of Machine In a locomotive, the resultant unbalanced force due to the two cylinders along the line of stroke, is known as Swaying couple Tractive force None of these Hammer blow Swaying couple Tractive force None of these Hammer blow ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The contact ratio is given by (Length of the arc of contact)/(Circular pitch) (Length of path of recess)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of the arc of contact)/(Circular pitch) (Length of path of recess)/(Circular pitch) (Length of the path of approach)/(Circular pitch) (Length of the arc of approach)/cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose) ω² × OQ ω² × OQ tanθ ω² × OQ cosθ ω² × OQ sinθ ω² × OQ ω² × OQ tanθ ω² × OQ cosθ ω² × OQ sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become 16 tp tp /4 tp /16 4 tp 16 tp tp /4 tp /16 4 tp ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a turning pair? Piston and cylinder of a reciprocating steam engine Shaft with collars at both ends fitted into a circular hole Lead screw of a lathe with nut Ball and a socket joint Piston and cylinder of a reciprocating steam engine Shaft with collars at both ends fitted into a circular hole Lead screw of a lathe with nut Ball and a socket joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to 90° and 180° 45° and 225° 180° and 270° 270° and 360° 90° and 180° 45° and 225° 180° and 270° 270° and 360° ANSWER DOWNLOAD EXAMIANS APP