Theory of Machine A slider crank chain consists of following numbers of turning and sliding pairs 4, 0 2, 2 1, 3 3, 1 4, 0 2, 2 1, 3 3, 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 6,000 r.p.m. 9,360 r.p.m. 5,367 r.p.m. 12,000 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 5,367 r.p.m. 12,000 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that Governor A is more sensitive than governor B None of these Governor B is more sensitive than governor A Both governors A and B are equally sensitive Governor A is more sensitive than governor B None of these Governor B is more sensitive than governor A Both governors A and B are equally sensitive ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin) (1/2). I ω ωP (1/2).Iω² Iω² I ω ωP (1/2). I ω ωP (1/2).Iω² Iω² I ω ωP ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard? All points of the disc have the same velocity The centre of the disc has zero acceleration The point on the disc making contact with the plane surface has zero acceleration The centre of the disc has centrifugal acceleration All points of the disc have the same velocity The centre of the disc has zero acceleration The point on the disc making contact with the plane surface has zero acceleration The centre of the disc has centrifugal acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected by an arm. The number of turns made by the smaller gear for one revolution of arm about the centre of bigger gear is 2 4 5 3 2 4 5 3 ANSWER DOWNLOAD EXAMIANS APP