Theory of Machine In a four stroke I.C. engine, the turning moment during the compression stroke is Negative during major portion of the stroke Positive throughout Negative throughout Positive during major portion of the stroke Negative during major portion of the stroke Positive throughout Negative throughout Positive during major portion of the stroke ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration leads the sliding velocity by 90° 180° 135° 45° 90° 180° 135° 45° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, the amplitude of vibration Decreases exponentially with time Decreases linearly with time Increases exponentially with time Increases linearly with time Decreases exponentially with time Decreases linearly with time Increases exponentially with time Increases linearly with time ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is Less than sum of other two Greater than sum of other two There is no such relationship Equal to sum of other two Less than sum of other two Greater than sum of other two There is no such relationship Equal to sum of other two ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke. 4θ 2θ θ/2 θ 4θ 2θ θ/2 θ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by W CS / 2CE 2 W CE / CS W CE / CS W CE / 2CS W CS / 2CE 2 W CE / CS W CE / CS W CE / 2CS ANSWER DOWNLOAD EXAMIANS APP