Theory of Machine The amplitude of vibration is always __________ the radius of the circle. Less than Equal to Greater than None of these Less than Equal to Greater than None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following governor is used to drive a gramophone? Hartnell governor Watt governor Porter governor Pickering governor Hartnell governor Watt governor Porter governor Pickering governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Instantaneous center of rotation of a link in a four bar mechanism lies on Left side pivot of this link A point obtained by intersection on extending adjoining links Can’t occur Right side pivot of this link Left side pivot of this link A point obtained by intersection on extending adjoining links Can’t occur Right side pivot of this link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed Inertia governor Pickering governor Hartung governor Wilson Hartnell governor Inertia governor Pickering governor Hartung governor Wilson Hartnell governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The static balancing is satisfactory for low speed rotors but with increasing speeds, dynamic balancing becomes necessary. This is because, the Unbalanced couples are caused only at higher speeds Effects of unbalances are proportional to the square of the speed Effects of unbalances are directly proportional to the speed Unbalanced forces are not dangerous at higher speeds Unbalanced couples are caused only at higher speeds Effects of unbalances are proportional to the square of the speed Effects of unbalances are directly proportional to the speed Unbalanced forces are not dangerous at higher speeds ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed. Product Difference Sum Ratio Product Difference Sum Ratio ANSWER DOWNLOAD EXAMIANS APP