Theory of Machine The unbalanced force due to reciprocating masses Constant in magnitude and direction both Varies in magnitude but constant in direction Varies in magnitude and direction both Varies in direction but constant in magnitude Constant in magnitude and direction both Varies in magnitude but constant in direction Varies in magnitude and direction both Varies in direction but constant in magnitude ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Bifilar suspension method is used to find the Frequency of vibration of the body Periodic time of the body Angular acceleration of the body Moment of inertia of the body Frequency of vibration of the body Periodic time of the body Angular acceleration of the body Moment of inertia of the body ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine To connect two parallel and coplanar shafts the following type of gearing is used None of the listed here Bevel gear Spiral gear Spur gear None of the listed here Bevel gear Spiral gear Spur gear ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary 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 (cos 2θ/n) m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an ideal machine, the output as compared to input is May be less or more depending on efficiency Less More Equal May be less or more depending on efficiency Less More Equal ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In multi V-belt transmission, if one of the belt is broken, we have to change the Broken belt There is no need of changing any one as remaining belts can take care of transmission of load All the belts Broken belt and its adjacent belts Broken belt There is no need of changing any one as remaining belts can take care of transmission of load All the belts Broken belt and its adjacent belts ANSWER DOWNLOAD EXAMIANS APP