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 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a hydrodynamic journal bearing, there is A forced lubricant between the journal and the bearing A thick film of lubricant between the journal and the bearing A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing No lubricant between the journal and the bearing A forced lubricant between the journal and the bearing A thick film of lubricant between the journal and the bearing A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing No lubricant between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In higher pair, the relative motion is Purely turning Purely rotary Combination of sliding and turning Purely sliding Purely turning Purely rotary Combination of sliding and turning Purely sliding ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum value of the pressure angle in case of cam is kept as 10° 14° 30° 20° 10° 14° 30° 20° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, the amplitude of vibration 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 Decreases exponentially with time ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the anticlockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) (ω₁ - ω₂) r ω₁.ω₂.r (ω₁ - ω₂) 2r (ω₁ + ω₂) r (ω₁ - ω₂) r ω₁.ω₂.r (ω₁ - ω₂) 2r (ω₁ + ω₂) r ANSWER DOWNLOAD EXAMIANS APP