Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience No acceleration Only linear acceleration Both linear and angular acceleration Only angular acceleration No acceleration Only linear acceleration Both linear and angular acceleration Only angular acceleration ANSWER DOWNLOAD EXAMIANS APP
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 √(r² - x²) ω √(x² - r²) ω √(r² - x²) ω² √(x² - r²) ω² √(r² - x²) ω √(x² - r²) ω √(r² - x²) ω² √(x² - r²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft in revolution per second is __________ as that of natural frequency of transverse vibration. Same Different None of these Unpredictable Same Different None of these Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to 90° and 180° 180° and 270° 45° and 225° 270° and 360° 90° and 180° 180° and 270° 45° and 225° 270° and 360° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The size of cam depends upon Prime circle Pitch circle Base circle Pitch curve Prime circle Pitch circle Base circle Pitch curve ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Lower pairs are those which have Surface contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Point or line contact between the two elements when in motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Two elements that permit relative motion Point or line contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
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