Theory of Machine The velocity of a particle moving with simple harmonic motion, at any instant is given by (where ω = Displacement of the particle from mean position) ω² √(x² - r²) ω √(r² - x²) ω² √(r² - x²) ω √(x² - r²) ω² √(x² - r²) ω √(r² - x²) ω² √(r² - x²) ω √(x² - r²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r cosφ (r/2) cosφ r sinφ r tanφ r cosφ (r/2) cosφ r sinφ r tanφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, the compression of the spring is __________ the lift of the sleeve. Equal to Less than Greater than None of these Equal to Less than Greater than None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The danger of breakage and vibration is maximum Above the critical speed None of these Near the critical speed Below the critical speed Above the critical speed None of these Near the critical speed Below the critical speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component is encountered in Quick return mechanism of shaper Slider crank mechanism Both (A) and (C) above Four bar chain mechanism Quick return mechanism of shaper Slider crank mechanism Both (A) and (C) above Four bar chain mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Inertia force acts None of the listed here Along the direction of acceleration force Perpendicular to the acceleration force Opposite to the direction of acceleration force None of the listed here Along the direction of acceleration force Perpendicular to the acceleration force Opposite to the direction of acceleration force ANSWER DOWNLOAD EXAMIANS APP