Theory of Machine When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a Lower pair Self-closed pair Higher pair Force-closed pair Lower pair Self-closed pair Higher pair Force-closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by 2E²CS 2ECS² 2ECS EC S/2 2E²CS 2ECS² 2ECS EC S/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called Fixed instantaneous centers Permanent instantaneous centers None of these Neither fixed nor permanent instantaneous centers Fixed instantaneous centers Permanent instantaneous centers None of these Neither fixed nor permanent instantaneous centers ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A foot step bearing and rotor of a vertical turbine form examples of Partially constrained motion Incompletely constrained motion Completely constrained motion Successfully constrained motion Partially constrained motion Incompletely constrained motion Completely constrained motion Successfully constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the main valve is driven by an eccentric having an angle of advance from 10°-15° 30°-40° 25°-30° 15°-25° 10°-15° 30°-40° 25°-30° 15°-25° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to a point load acting over a simply supported shaft is equal to (where δ = Static deflection of a simply supported shaft due to the point load) 0.571/√δ 0.4985/√δ 0.6253/√δ 0.5615/√δ 0.571/√δ 0.4985/√δ 0.6253/√δ 0.5615/√δ ANSWER DOWNLOAD EXAMIANS APP