Theory of Machine The relation between number of links (l) and number of joints (j) in a kinematic chain is l = (3/4).(j + 3) l = (2/3).(j + 2) l = j + 4 l = (1/2).(j + 2) l = (3/4).(j + 3) l = (2/3).(j + 2) l = j + 4 l = (1/2).(j + 2) 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 30°-40° 10°-15° 25°-30° 15°-25° 30°-40° 10°-15° 25°-30° 15°-25° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing means Balancing partially revolving masses Balancing partially reciprocating masses Best balancing of engines All of these Balancing partially revolving masses Balancing partially reciprocating masses Best balancing of engines All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) 2π qI 1/2π (1/2π). √(q/I) 2π. √(q/I) 2π qI 1/2π (1/2π). √(q/I) 2π. √(q/I) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is 18.52 N-s/m 529.2 N-s/m 52.92 N-s/m 1.4 N-s/m 18.52 N-s/m 529.2 N-s/m 52.92 N-s/m 1.4 N-s/m ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the below are inversions of slider crank mechanism? 1. Oscillating cylinder engine mechanism 2. Toggle mechanism 3. Radial cylinder engine mechanism 4. Quick return mechanism 1, 2 and 4 2, 3 and 4 1, 2 and 3 1, 3 and 4 1, 2 and 4 2, 3 and 4 1, 2 and 3 1, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP