Theory of Machine Under logarithmic decrement, the amplitude of successive vibrations are In geometric progression In logarithmic progression Constant In arithmetic progression In geometric progression In logarithmic progression Constant In arithmetic progression ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating steam engine, which of the following forms a kinematic link? Piston rod and connecting rod Flywheel and engine frame Cylinder and piston Crankshaft and flywheel Piston rod and connecting rod Flywheel and engine frame Cylinder and piston Crankshaft and flywheel ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor The system is unbalanced Bearing centre line coincides with the axis The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor The system is unbalanced Bearing centre line coincides with the axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The minimum periodic time of a compound pendulum is (1/2π). √(2kG/g) (1/2π). √(kG/g) 2π. √(2kG/g) 2π. √(kG/g) (1/2π). √(2kG/g) (1/2π). √(kG/g) 2π. √(2kG/g) 2π. √(kG/g) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke. θ 2θ θ/2 4θ θ 2θ θ/2 4θ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a Higher pair Lower pair Self-closed pair Force-closed pair Higher pair Lower pair Self-closed pair Force-closed pair ANSWER DOWNLOAD EXAMIANS APP
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