Applied Mechanics and Graphic Statics The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is 437.5 cm⁴ 237.5 cm⁴ 337.5 cm⁴ 137.5 cm⁴ 437.5 cm⁴ 237.5 cm⁴ 337.5 cm⁴ 137.5 cm⁴ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The masses of two balls are in the ratio of 2 : 1 and their respective velocities are in the ratio of 1 : 2 but in opposite direction before impact. If the coefficient of restitution is ½, the velocities of separation of the balls will be equal to Original velocity in the opposite direction Half the original velocity in the same direction Half the original velocity in the opposite direction Original velocity in the same direction Original velocity in the opposite direction Half the original velocity in the same direction Half the original velocity in the opposite direction Original velocity in the same direction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Impulse can be obtained from a Velocity-displacement diagram Force-time diagram Force-displacement diagram Velocity-time diagram Velocity-displacement diagram Force-time diagram Force-displacement diagram Velocity-time diagram ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Total no of instantaneous centers of a machine having ‘n’ links, is n/2 n (n - 1) n (n - 1)/2 n/2 n (n - 1) n (n - 1)/2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Power developed by a torque, is 2πNT kg m/min All listed here 2πNT /60 watts 2πNT/4500 h.p 2πNT kg m/min All listed here 2πNT /60 watts 2πNT/4500 h.p ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is 6.28 m/sec 3.14 m/sec 1.00 m/sec 1.57 m/sec 6.28 m/sec 3.14 m/sec 1.00 m/sec 1.57 m/sec ANSWER DOWNLOAD EXAMIANS APP
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