Theory of Machine Efficiency of a screw jack is given by tanα/tan (α - φ) 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body is said to be under forced vibrations, when None of these There is a reduction in amplitude after every cycle of vibration No external force acts on a body, after giving it an initial displacement A body vibrates under the influence of external force None of these There is a reduction in amplitude after every cycle of vibration No external force acts on a body, after giving it an initial displacement A body vibrates under the influence of external force ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The power of a Porter governor is equal to [4c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h [3c²/(1 + 2c)] (m + M) g.h [c²/(1 + 2c)] (m + M) g.h [4c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h [3c²/(1 + 2c)] (m + M) g.h [c²/(1 + 2c)] (m + M) g.h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Throw of a cam is the maximum distance of the follower from Prime circle Base circle Root circle Pitch circle Prime circle Base circle Root circle Pitch circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is 180° 90° 270° 0° 180° 90° 270° 0° 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? D-slide valve Meyer's expansion valve Governor Flywheel D-slide valve Meyer's expansion valve Governor Flywheel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS