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 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. 6,000 r.p.m. 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 5 3 4 2 5 3 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is __________ the primary unbalanced force. 1/n times Two-third n times One-half 1/n times Two-third n times One-half ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The size of cam depends upon Pitch curve Pitch circle Prime circle Base circle Pitch curve Pitch circle Prime circle Base circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The inversion of a mechanism is Obtained by fixing different links in a kinematic chain Obtained by reversing the input and output motion Changing of a higher pair to a lower pair Turning its upside down Obtained by fixing different links in a kinematic chain Obtained by reversing the input and output motion Changing of a higher pair to a lower pair Turning its upside down ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain is known as a mechanism when None of these Two of the links are fixed None of the links is fixed One of the links is fixed None of these Two of the links are fixed None of the links is fixed One of the links is fixed ANSWER DOWNLOAD EXAMIANS APP
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