Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is 0.55 0.3 0.4 0.5 0.55 0.3 0.4 0.5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and Parallel Concurrent Concurrent parallel None of these Parallel Concurrent Concurrent parallel None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Minimum pull in a suspended cable with supports at two ends is equal to Support reactions Half the weight of the cable Horizontal thrust Resultant of horizontal thrust and support reaction Support reactions Half the weight of the cable Horizontal thrust Resultant of horizontal thrust and support reaction ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity ratio of an inclined plane of inclination ‘θ’ with horizontal for lifting a load is tan θ cosec θ sin θ cos θ tan θ cosec θ sin θ cos θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A bullet weighing 10 gm moves with a velocity of l km/sec. Its kinetic energy is(i) 5000 Nm(ii) 5000 kg.m(iii) 5000 J Only (ii) Both (ii) and (iii) Both (i) and (iii) All (i), (ii) and (iii) Only (ii) Both (ii) and (iii) Both (i) and (iii) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be 200 tonnes at the centre 200 tonnes at the right support 500 tonnes at the centre 200 tonnes at the left support 200 tonnes at the centre 200 tonnes at the right support 500 tonnes at the centre 200 tonnes at the left support ANSWER DOWNLOAD EXAMIANS APP
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