Theory of Machine Which of the following statement is correct as regard to the difference between a machine and a structure? A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only All of these The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only All of these The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a kinematic chain, a quaternary joint is equivalent to Two binary joints Four binary joints Three binary joints One binary joint Two binary joints Four binary joints Three binary joints One binary joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is Less than sum of other two There is no such relationship Greater than sum of other two Equal to sum of other two Less than sum of other two There is no such relationship Greater than sum of other two Equal to sum of other two ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In order to balance the reciprocating masses, Secondary forces and couples must be balanced Both (A) and (B) Primary forces and couples must be balanced None of these Secondary forces and couples must be balanced Both (A) and (B) Primary forces and couples must be balanced None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In automobiles the power is transmitted from gear box to differential through Hooke's joint Knuckle joint Universal joint Bevel gear Hooke's joint Knuckle joint Universal joint Bevel gear 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 = 45° - φ/2 α = 45° + φ/2 α = 90° + φ α = 90° - φ α = 45° - φ/2 α = 45° + φ/2 α = 90° + φ α = 90° - φ ANSWER DOWNLOAD EXAMIANS APP
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