Theory of Machine When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to π Zero π/2 One π Zero π/2 One ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's method of construction for reciprocating engine mechanism Is a simplified form of instantaneous center method Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine Is based on acceleration diagram Enables determination of Cariole’s component Is a simplified form of instantaneous center method Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine Is based on acceleration diagram Enables determination of Cariole’s component ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a shaper mechanism, the Coriolis component of acceleration will Not exist None of these Depend on position of crank Exist Not exist None of these Depend on position of crank Exist ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to 135° and 315° 270° and 360° 90° and 180° 0° and 90° 135° and 315° 270° and 360° 90° and 180° 0° and 90° 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) (1 - c).m.ω².r (cosθ - sinθ) m.ω².r sinθ m.ω².r (cosθ - sinθ) m.ω².r cosθ (1 - c).m.ω².r (cosθ - sinθ) m.ω².r sinθ m.ω².r (cosθ - sinθ) m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Robert’s mechanism Peaucellier’s mechanism Grasshopper mechanism Watt’s mechanism Robert’s mechanism Peaucellier’s mechanism Grasshopper mechanism Watt’s mechanism ANSWER DOWNLOAD EXAMIANS APP
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