Theory of Machine To connect two parallel and coplanar shafts the following type of gearing is used Spur gear None of the listed here Spiral gear Bevel gear Spur gear None of the listed here Spiral gear Bevel gear ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Bifilar suspension method is used to find the Periodic time of the body Moment of inertia of the body Angular acceleration of the body Frequency of vibration of the body Periodic time of the body Moment of inertia of the body Angular acceleration of the body Frequency of vibration of the body ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The axis of precession is __________ to the plane in which the axis of spin is going to rotate. Both A and B Perpendicular None of these Parallel Both A and B Perpendicular None of these Parallel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Crowning on pulleys helps For automatic adjustment of belt position so that belt runs centrally In decreasing the slip of the belt In increasing velocity ratio Increase belt and pulley life For automatic adjustment of belt position so that belt runs centrally In decreasing the slip of the belt In increasing velocity ratio Increase belt and pulley life 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 If ω/ωn is very high for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach 180° 90° 360° 0° 180° 90° 360° 0° ANSWER DOWNLOAD EXAMIANS APP