Theory of Machine Which of the following mechanism is obtained from lower pair? Gyroscope Pantograph All of these Valve and valve gears Gyroscope Pantograph All of these Valve and valve gears ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an open pair, the two elements of a pair Have a surface contact when in motion Are not held together mechanically Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Have a surface contact when in motion Are not held together mechanically Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The magnitude of linear velocity of a point B on a link AB relative to point A is, (Where ω = Angular velocity of the link AB) ω × (AB)² ω × AB (ω × AB)² ω² × AB ω × (AB)² ω × AB (ω × AB)² ω² × AB ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hammer blow Varies inversely with the square of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies as the square root of the speed Varies inversely with the square of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies as the square root of the speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sensitiveness of the governor _____ as the speed range decreases. Decreases Increases None of the listed here Remains unaffected Decreases Increases None of the listed here Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the link constitutes a All of these Crank pin, crankshaft and flywheel Piston, piston rod and cross-head Connecting rod with big and small end brasses, caps and bolts All of these Crank pin, crankshaft and flywheel Piston, piston rod and cross-head Connecting rod with big and small end brasses, caps and bolts ANSWER DOWNLOAD EXAMIANS APP
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