Theory of Machine Flexible coupling is used because It is easy to engage and disengage It prevents shock transmission and eliminates stress reversals It transmits shocks gradually It is easy to disassemble It is easy to engage and disengage It prevents shock transmission and eliminates stress reversals It transmits shocks gradually It is easy to disassemble ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair. Line or point contact Body contact Surface contact None of these Line or point contact Body contact Surface contact None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels Two pairs turning and two pairs sliding One pair turning and three pairs sliding Three pairs turning and one pair sliding All four pairs are turning Two pairs turning and two pairs sliding One pair turning and three pairs sliding Three pairs turning and one pair sliding All four pairs are turning 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 √(x² - r²) ω √(x² - r²) ω √(r² - x²) ω² √(r² - x²) ω² √(x² - r²) ω √(x² - r²) ω √(r² - x²) ω² √(r² - x²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be ω² r {(n + 1)/n} ω² r {n/(n + 1)} ω² r {(n - 1)/n} ω² r {n/(n - 1)} ω² r {(n + 1)/n} ω² r {n/(n + 1)} ω² r {(n - 1)/n} ω² r {n/(n - 1)} ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A higher pair has__________. Surface contact No contact Point contact None of these Surface contact No contact Point contact None of these ANSWER DOWNLOAD EXAMIANS APP
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