Theory of Machine The unbalanced primary forces in a reciprocating engine are Balanced by secondary forces Balanced completely Not balanced Balanced partially Balanced by secondary forces Balanced completely Not balanced Balanced partially ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum value of the pressure angle in case of cam is kept as 20° 14° 10° 30° 20° 14° 10° 30° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 5,367 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 12,000 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke. θ 2θ θ/2 4θ θ 2θ θ/2 4θ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that it can only slide relative to the other, the pair is known as a Turning pair Sliding pair Spherical pair Screw pair Turning pair Sliding pair Spherical pair Screw pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A) v²BA vBA × AB vBA /AB v²BA /AB v²BA vBA × AB vBA /AB v²BA /AB ANSWER DOWNLOAD EXAMIANS APP
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