Theory of Machine Which of the following mechanism is obtained from lower pair? Valve and valve gears All of these Gyroscope Pantograph Valve and valve gears All of these Gyroscope Pantograph ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In involute gears, the pressure angle is Dependent on the size of teeth Always constant Dependent on the size of gears Always variable Dependent on the size of teeth Always constant Dependent on the size of gears Always variable ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is 2 4 3 1 2 4 3 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The method of direct and reverse cranks is used in engines for The control of speed fluctuations Balancing of forces and couples Kinematic analysis Vibration analysis The control of speed fluctuations Balancing of forces and couples Kinematic analysis Vibration analysis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set to Ensure proper alignment Reduce slip Reduce vibration Ensure uniform loading Ensure proper alignment Reduce slip Reduce vibration Ensure uniform loading ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The tractive force in a locomotive with two cylinders is given by (where c = Fraction of reciprocating parts per cylinder, m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, and θ = Angle of inclination of crank to the line of stroke) m.ω².r cosθ (1 - c).m.ω².r (cosθ - sinθ) m.ω².r (cosθ - sinθ) m.ω².r sinθ m.ω².r cosθ (1 - c).m.ω².r (cosθ - sinθ) m.ω².r (cosθ - sinθ) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
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