Theory of Machine The advantage of the piston valve over the slide valve is that in the former case Power absorbed is less Both wear and power absorbed are low The pressure developed being high provides tight sealing Wear is less Power absorbed is less Both wear and power absorbed are low The pressure developed being high provides tight sealing Wear is less 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 distance between fixed pivots of crank and followers is Slightly more than 95 mm Slightly less than 95 mm 95 mm 45 mm Slightly more than 95 mm Slightly less than 95 mm 95 mm 45 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Idler pulley is used All of the listed here For increasing velocity ratio For changing the direction of motion of the belt For applying tension All of the listed here For increasing velocity ratio For changing the direction of motion of the belt For applying tension ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The purpose of a link is to Guide other links All of these Act as a support Transmit motion Guide other links All of these Act as a support Transmit motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Length of arc of contact is given by Arc of approach - Arc of recess Arc of approach × Arc of recess Arc of approach + Arc of recess Arc of approach / Arc of recess Arc of approach - Arc of recess Arc of approach × Arc of recess Arc of approach + Arc of recess Arc of approach / Arc of recess ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 90° - φ α = 90° + φ α = 45° - φ/2 α = 45° + φ/2 α = 90° - φ α = 90° + φ α = 45° - φ/2 α = 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS