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. 5,367 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 6,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. 12,000 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's method of construction for reciprocating engine mechanism Is a simplified form of instantaneous center method Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine Enables determination of Cariole’s component Is based on acceleration diagram Is a simplified form of instantaneous center method Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine Enables determination of Cariole’s component Is based on acceleration diagram ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which gear is used for connecting two coplanar and intersecting shafts? None of these Helical gear Spur gear Bevel gear None of these Helical gear Spur gear Bevel gear ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Hartnell governor has its controlling force (Fc) given by Fc = ar + b, where r is the radius of rotation and a and b are constants. The governor becomes isochronous when a is +ve and b is also +ve a = 0 and b is +ve a is +ve and b = 0 a is +ve and b is -ve a is +ve and b is also +ve a = 0 and b is +ve a is +ve and b = 0 a is +ve and b is -ve ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve) m/(m + M) M/(m + M) (m + M)/m (m + M)/M m/(m + M) M/(m + M) (m + M)/m (m + M)/M ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the opposite links of a four bar linkage are equal, the links will always form a Parallelogram Rectangle Triangle Pentagon Parallelogram Rectangle Triangle Pentagon ANSWER DOWNLOAD EXAMIANS APP
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