Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.8 0.4 0.2 0.6 0.8 0.4 0.2 0.6 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) ω × 2π ω/2π 2π/ω π/ω ω × 2π ω/2π 2π/ω π/ω ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An engine operates between temperatures of 900°Kandr2 and another engine between T2 and 400°K For both to do equal work, value of T2 will be 700°K 650°K 625°K 600°K 700°K 650°K 625°K 600°K ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Rectangular bar in a rectangular hole is the following type of pair Incompletely constrained motion Freely constrained motion Partially constrained motion Completely constrained motion Incompletely constrained motion Freely constrained motion Partially constrained motion Completely constrained motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) (r/2) cosφ r sinφ r cosφ r tanφ (r/2) cosφ r sinφ r cosφ r tanφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the controlling force line for a spring controlled governor when produced intersects the Y-axis at the origin, then the governor is said to be Isochronous None of the listed here Stable Unstable Isochronous None of the listed here Stable Unstable ANSWER DOWNLOAD EXAMIANS APP
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