Theory of Machine Which of the following is false statement in respect of differences between machine and structure? In machines, relative motion exists between its members, whereas same does not exist in case of structures Machines modify movement and work, whereas structures modify forces Efficiency of machines as well as structures is below 100 % Machines transmit mechanical work, whereas structures transmit forces In machines, relative motion exists between its members, whereas same does not exist in case of structures Machines modify movement and work, whereas structures modify forces Efficiency of machines as well as structures is below 100 % Machines transmit mechanical work, whereas structures transmit forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity of crank, r = Radius of crank pin circle, θ = Angle turned by crank from inner dead center, and n = Ratio of length of connecting rod to the radius of crank) ω²r [cos θ + (cos 2θ/n)] ωr [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Shaft revolving in a bearing is the following type of pair Higher pair Lower pair Cylindrical pair Spherical pair Higher pair Lower pair Cylindrical pair Spherical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equivalent length of a simple pendulum which gives the same frequency as a compound pendulum is h²/(kG² + h²) (kG² + h²)/h² h/(kG² + h²) (kG² + h²)/h h²/(kG² + h²) (kG² + h²)/h² h/(kG² + h²) (kG² + h²)/h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a lower pair? Piston and cylinder Both (A) and (B) above Ball and socket i Cam and follower Piston and cylinder Both (A) and (B) above Ball and socket i Cam and follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a body moves with simple harmonic motion, the product of its periodic time and frequency is equal to π π/2 One Zero π π/2 One Zero ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS