Theory of Machine The two elements of a pair are said to form a higher pair, when they Have a surface contact when in motion Permit relative motion Have a line or point contact when in motion Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Permit relative motion Have a line or point contact when in motion Are kept in contact by the action of external forces, when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The approximate straight line mechanism is a 6 bar linkage 8 bar linkage 3 bar linkage Four bar linkage 6 bar linkage 8 bar linkage 3 bar linkage Four bar linkage ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable. Remains constant Increases Decreases None of these Remains constant Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body) 1/2π × √(g/δ) 1/2π × √(s/m) Any one of the listed here 0.4985/√δ 1/2π × √(g/δ) 1/2π × √(s/m) Any one of the listed here 0.4985/√δ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Flywheel and engine frame Crankshaft and flywheel Cylinder and piston Piston rod and connecting rod Flywheel and engine frame Crankshaft and flywheel Cylinder and piston Piston rod and connecting rod ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be One fourth of the first one Same as the first one One and a half times the first one Four times the first one One fourth of the first one Same as the first one One and a half times the first one Four times the first one ANSWER DOWNLOAD EXAMIANS APP
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