Theory of Machine In a coupling rod of a locomotive, each of the four pairs is a ________ pair. Screw Sliding Rolling Turning Screw Sliding Rolling Turning ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Cylinder and piston Flywheel and engine frame Piston rod and connecting rod Crankshaft and flywheel Cylinder and piston Flywheel and engine frame Piston rod and connecting rod Crankshaft and flywheel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Higher pairs are those which have Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Maximum fluctuation of energy in a flywheel is equal to [where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ω = Mean angular speed = (ω₁ + ω₂)/2] I.ω².CS 2.E.CS I.ω.(ω₁ - ω₂) All of these I.ω².CS 2.E.CS I.ω.(ω₁ - ω₂) All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a system subjected to damped forced vibrations, the ratio of maximum displacement to the static deflection is known as Logarithmic decrement Damping factor Magnification factor Critical damping ratio Logarithmic decrement Damping factor Magnification factor Critical damping ratio ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because Bearing centre line coincides with the axis The system is unbalanced Resonance is caused due to the heavy mass of the rotor The shafts are rotating at very high speeds Bearing centre line coincides with the axis The system is unbalanced Resonance is caused due to the heavy mass of the rotor The shafts are rotating at very high speeds ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS