Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Watt’s mechanism Robert’s mechanism Peaucellier’s mechanism Grasshopper mechanism Watt’s mechanism Robert’s mechanism Peaucellier’s mechanism Grasshopper mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A rotary internal combustion engine has __________ cylinders. Four Seven Five Six Four Seven Five Six 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 less than 95 mm 45 mm Slightly more than 95 mm 95 mm Slightly less than 95 mm 45 mm Slightly more than 95 mm 95 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Idler pulley is used For applying tension For increasing velocity ratio All of the listed here For changing the direction of motion of the belt For applying tension For increasing velocity ratio All of the listed here For changing the direction of motion of the belt ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The danger of breakage and vibration is maximum Below the critical speed None of these Near the critical speed Above the critical speed Below the critical speed None of these Near the critical speed Above the critical speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have two elements that Are held together Have surface contact Have line contact Permit relative motion Are held together Have surface contact Have line contact Permit relative motion ANSWER DOWNLOAD EXAMIANS APP
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