Theory of Machine The lower pairs are _________ pairs. Force-closed Friction closed None of these Self-closed Force-closed Friction closed None of these Self-closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by Knuckle joint Flexible coupling Universal joint Oldham's coupling Knuckle joint Flexible coupling Universal joint Oldham's coupling ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body is said to be under forced vibrations, when There is a reduction in amplitude after every cycle of vibration No external force acts on a body, after giving it an initial displacement None of these A body vibrates under the influence of external force There is a reduction in amplitude after every cycle of vibration No external force acts on a body, after giving it an initial displacement None of these A body vibrates under the influence of external force 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) ω √(x² - r²) ω² √(x² - r²) ω √(r² - x²) ω² √(r² - x²) ω √(x² - r²) ω² √(x² - r²) ω √(r² - x²) ω² √(r² - x²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Governor is used in automobile to Limit the vehicle speed Decrease the variation of speed Maximize the fuel economy Maintain constant engine speed Limit the vehicle speed Decrease the variation of speed Maximize the fuel economy Maintain constant engine speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Higher pairs are those which have 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 Surface contact between the two elements when in motion Elements of pairs not held together mechanically ANSWER DOWNLOAD EXAMIANS APP