Theory of Machine A rotary internal combustion engine has __________ cylinders. Four Seven Five Six Four Seven Five Six ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The stress induced in a body will be shear stress, when it is subjected to Longitudinal vibrations Transverse vibrations None of these Torsional vibrations Longitudinal vibrations Transverse vibrations None of these Torsional vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (cos 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two elements of a pair are said to form a _________ when they permit relative motion between them. Sliding pair Open pair Kinematic pair None of these Sliding pair Open pair Kinematic pair None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing means All of these Balancing partially reciprocating masses Best balancing of engines Balancing partially revolving masses All of these Balancing partially reciprocating masses Best balancing of engines Balancing partially revolving masses 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 tp /4 tp /16 16 tp 4 tp tp /4 tp /16 16 tp 4 tp ANSWER DOWNLOAD EXAMIANS APP
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