Theory of Machine Which of the following is a higher pair? Screw pair Turning pair Belt and pulley Sliding pair Screw pair Turning pair Belt and pulley Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four stroke I.C. engine, the turning moment during the compression stroke is Negative throughout Positive throughout Positive during major portion of the stroke Negative during major portion of the stroke Negative throughout Positive throughout Positive during major portion of the stroke Negative during major portion of the stroke ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because Resonance is caused due to the heavy mass of the rotor The system is unbalanced Bearing centre line coincides with the axis The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor The system is unbalanced Bearing centre line coincides with the axis The shafts are rotating at very high speeds ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, the amplitude of vibration Increases exponentially with time Decreases exponentially with time Decreases linearly with time Increases linearly with time Increases exponentially with time Decreases exponentially with time Decreases linearly with time Increases linearly with time ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be Slightly more than 45 mm 95 mm 45 mm Slightly less than 45 mm Slightly more than 45 mm 95 mm 45 mm Slightly less than 45 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A pantograph is a mechanism with Lower pairs Turning pairs Higher pairs Rolling pairs Lower pairs Turning pairs Higher pairs Rolling pairs ANSWER DOWNLOAD EXAMIANS APP
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