Theory of Machine In under damped vibrating system, the amplitude of vibration Increases linearly with time Decreases linearly with time Increases exponentially with time Decreases exponentially with time Increases linearly with time Decreases linearly with time Increases exponentially with time Decreases exponentially with time ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Higher pairs are those which have Surface contact between the two elements when in motion Two elements that permit relative motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Two elements that permit relative motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Two systems shall be dynamically equivalent when M.I. of two about an axis through e.g. is equal G. of two coincides The mass of two are same All of these M.I. of two about an axis through e.g. is equal G. of two coincides The mass of two are same All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when a = 0 and b is +ve a is +ve and b is -ve a is +ve and b is also +ve a is +ve and b = 0 a = 0 and b is +ve a is +ve and b is -ve a is +ve and b is also +ve a is +ve and b = 0 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Efficiency of a screw jack is given by tan (α + φ)/tanα tan (α - φ)/tanα tanα/tan (α +φ) tanα/tan (α - φ) tan (α + φ)/tanα tan (α - φ)/tanα tanα/tan (α +φ) tanα/tan (α - φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels One pair turning and three pairs sliding All four pairs are turning Three pairs turning and one pair sliding Two pairs turning and two pairs sliding One pair turning and three pairs sliding All four pairs are turning Three pairs turning and one pair sliding Two pairs turning and two pairs sliding ANSWER DOWNLOAD EXAMIANS APP
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