Theory of Machine Efficiency of a screw jack is given by tanα/tan (α +φ) tan (α - φ)/tanα tan (α + φ)/tanα tanα/tan (α - φ) tanα/tan (α +φ) tan (α - φ)/tanα tan (α + φ)/tanα tanα/tan (α - φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hart mechanism has Eight links Six links Four links Twelve links Eight links Six links Four links Twelve links ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An exact straight line motion mechanism is a Peaucellier's mechanism Hart's mechanism All of these Scott-Russell's mechanism Peaucellier's mechanism Hart's mechanism All of these Scott-Russell's mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of sliding of meshing gear teeth is (Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁ + ω₂)/y (ω₁/ω₂) y (ω₁ × ω₂) y (ω₁ + ω₂) y (ω₁ + ω₂)/y (ω₁/ω₂) y (ω₁ × ω₂) y (ω₁ + ω₂) y ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the damping factor for a vibrating system is unity, then the system will be Under damped Over damped Critically damped Without vibrations Under damped Over damped Critically damped Without vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In its simplest form, a cam mechanism consists of following number of links 1 2 4 3 1 2 4 3 ANSWER DOWNLOAD EXAMIANS APP