Test: Theory of Machines Level - 1
25 Questions MCQ Test Mechanical Engineering SSC JE (Technical) | Test: Theory of Machines Level - 1
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The following is the inversion of slider crank chain mechanism
The frequency of oscillation at moon compared to earth will be
The total number of instantaneous centres for a mechanism for n links is
The number of pairs of links or the number of instantaneous centres is the number of combinations of n links taken two at a time. Mathematically, number of instantaneous centres, N = n(n – 1)/2
According to Kennedy's theorem, if three bodes have plane motions, their instantaneous centres lie on
The direction of Corioli's component of acceleration is the direction
The magnitude of the Corioli's component of acceleration of a slider moving at velocity V on a link rotating at angular speedw is
The magnitude of tangential acceleration is equal to velocity2/ crank radius.
The magnitude of the Corioli’s component of acceleration of a slider moving at velocity V on a link rotating at angular speed ω is 2Vω.
In the scotch yoke mechanism, Corioli's component is
The governor used in gramophone is of the following type
The quality of a governor can be judged by its
If 
be the angle of friction for a square threaded screw, then maximum efficiency of the screwjack will be
Maximum efficiency of screw jack for square threads will occur when the angle of threads is equal to
Length of open belt, in addition to centre length, depends
The belting can transmit maximum power when maximum total tension in belt equals
Pitching of a ship produces forces on the bearings
The circle passing through the bottom of the teeth of gear is known as
Bevel gears are used to transmit rotary motion between two shafts whose exes are
If D and T be the pitch circle diameter and no. of teeth of a gear, then its circular pitch P =
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