Theory of Machine A slider crank chain consists of following numbers of turning and sliding pairs 2, 2 3, 1 1, 3 4, 0 2, 2 3, 1 1, 3 4, 0 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The size of cam depends upon Base circle Pitch curve Pitch circle Prime circle Base circle Pitch curve Pitch circle Prime circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 90° + φ α = 90° - φ α = 45° - φ/2 α = 45° + φ/2 α = 90° + φ α = 90° - φ α = 45° - φ/2 α = 45° + φ/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the Magnitude of the forces on journal Angular velocity of journal Clearance between journal and bearing Radius of journal Magnitude of the forces on journal Angular velocity of journal Clearance between journal and bearing Radius of journal ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. This may be used to kinematic chains in which higher pairs are used, but each higher pair may be taken as equivalent to Any one of these Two lower pairs and one additional link One lower pair and two additional links Two lower pairs and two additional links Any one of these Two lower pairs and one additional link One lower pair and two additional links Two lower pairs and two additional links ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the opposite links of a four bar linkage are equal, the links will always form a Pentagon Triangle Parallelogram Rectangle Pentagon Triangle Parallelogram Rectangle ANSWER DOWNLOAD EXAMIANS APP