Applied Mechanics and Graphic Statics The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is 8.75 cm 7.5 cm 5.0 cm 7.85 cm 8.75 cm 7.5 cm 5.0 cm 7.85 cm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known Sliding friction None of these Limiting friction Rolling friction Sliding friction None of these Limiting friction Rolling friction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A train weighing 196 tonnes experiences a frictional resistance of 5(11/22) per tonne. The speed of the train at the top of a down gradient 1 in 78.4 is 36 km/hour. The speed of the train after running 1 km down the slope, is 5 √10 m/sec 3 √5 m/sec 5 √3 m/sec 10 √5 m/sec 5 √10 m/sec 3 √5 m/sec 5 √3 m/sec 10 √5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a flywheel increases its speed from 10 rpm to 20 rpm in 10 seconds, then its angular acceleration is —rad/sec 20 None of these —rad/sec 10 —rad/sec 30 —rad/sec 20 None of these —rad/sec 10 —rad/sec 30 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is 105.5 kg 102.5 kg 110 kg 108.5 kg 105.5 kg 102.5 kg 110 kg 108.5 kg ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is 2 sec 3 sec 5 sec 4 sec 2 sec 3 sec 5 sec 4 sec ANSWER DOWNLOAD EXAMIANS APP
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