Theory of Machine Which of the following mechanism is an approximate straight line motion mechanism? Watt's mechanism All of these Grasshopper mechanism Robert's mechanism Watt's mechanism All of these Grasshopper mechanism Robert's mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment? Flywheel D-slide valve Meyer's expansion valve Governor Flywheel D-slide valve Meyer's expansion valve Governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the anticlockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) ω₁.ω₂.r (ω₁ - ω₂) r (ω₁ - ω₂) 2r (ω₁ + ω₂) r ω₁.ω₂.r (ω₁ - ω₂) r (ω₁ - ω₂) 2r (ω₁ + ω₂) r 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 this equation are real, then the system will be Critically damped Over-damped Without vibrations Under damped Critically damped Over-damped Without vibrations Under damped ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Scott-Russell mechanism consists of Turning and rotary pairs Sliding pairs only Sliding and rotary pairs Sliding and turning pairs Turning and rotary pairs Sliding pairs only Sliding and rotary pairs Sliding and turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Pulley in a belt drive acts as Rolling pair Cylindrical pair Sliding pair Turning pair Rolling pair Cylindrical pair Sliding pair Turning pair ANSWER DOWNLOAD EXAMIANS APP