Theory of Machine The driving and driven shafts connected by a Hooke's joint will have equal speeds, if cotθ = cosα cosθ = sinα sinθ = ± tanα tanθ = ± cosα cotθ = cosα cosθ = sinα sinθ = ± tanα tanθ = ± cosα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the belt for maximum power is (where m = Mass of the belt in kg per meter length) √(3m/T) T/3 (T.g)/3 √(T/3m) √(3m/T) T/3 (T.g)/3 √(T/3m) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because The system is unbalanced The shafts are rotating at very high speeds Bearing centre line coincides with the axis Resonance is caused due to the heavy mass of the rotor The system is unbalanced The shafts are rotating at very high speeds Bearing centre line coincides with the axis Resonance is caused due to the heavy mass of the rotor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke. θ 2θ 4θ θ/2 θ 2θ 4θ θ/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m).(dx/dt) + (s/m).x = 0, if the roots of the equation are __________ then the system will be under damped. Complex conjugate None of these Real Equal Complex conjugate None of these Real Equal ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Peaucellier’s mechanism has Four links Six links Twelve links Eight links Four links Six links Twelve links Eight links ANSWER DOWNLOAD EXAMIANS APP
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