Theory of Machine In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be (where ω = Angular speed of the system, ωn = Natural frequency of vibration of the system) Zero Equal to unity Less than unity Greater than unity Zero Equal to unity Less than unity Greater than unity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be ω² r {n/(n + 1)} ω² r {(n + 1)/n} ω² r {(n - 1)/n} ω² r {n/(n - 1)} ω² r {n/(n + 1)} ω² r {(n + 1)/n} ω² r {(n - 1)/n} ω² r {n/(n - 1)} ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Cylinder and piston Flywheel and engine frame Piston rod and connecting rod Crankshaft and flywheel Cylinder and piston Flywheel and engine frame Piston rod and connecting rod Crankshaft and flywheel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Relationship between the number of links (L) and number of pairs (P) is P = 2L - 4 P = 2L + 4 P = 2L + 2 P = 2L - 2 P = 2L - 4 P = 2L + 4 P = 2L + 2 P = 2L - 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the load on the engine increases, it becomes necessary to increase the supply of working fluid and when the load decreases, less working fluid is required. The supply of the working fluid to the engine is controlled by a D-slide valve Meyer's expansion valve Flywheel Governor D-slide valve Meyer's expansion valve Flywheel Governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two parallel and coplanar shafts are connected by gears having teeth parallel to the axis of the shaft. This arrangement is known as Spiral gearing Bevel gearing Spur gearing Helical gearing Spiral gearing Bevel gearing Spur gearing Helical gearing ANSWER DOWNLOAD EXAMIANS APP