Theory of Machine The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) cos (θ - φ) + 1/ cos (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the ________ pulley must be taken into consideration. Smaller None of the listed here Larger Smaller OR Larger Smaller None of the listed here Larger Smaller OR Larger ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be To raise the nose and tail To dip the nose and raise the tail To dip the nose and tail To raise the nose and dip the tail To raise the nose and tail To dip the nose and raise the tail To dip the nose and tail To raise the nose and dip the tail 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) ωr [sin θ + (sin 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Relationship between the number of links (L) and number of pairs (P) is P = 2L - 2 P = 2L + 4 P = 2L - 4 P = 2L + 2 P = 2L - 2 P = 2L + 4 P = 2L - 4 P = 2L + 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Whitworth quick return motion mechanism is formed in a slider crank chain when the Longest link is a fixed link Coupler link is fixed Slider is a fixed link Smallest link is a fixed link Longest link is a fixed link Coupler link is fixed Slider is a fixed link Smallest link is a fixed link ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS