Applied Mechanics and Graphic Statics The necessary condition of equilibrium of a body is: Algebraic sum of vertical components of all the forces must be zero Algebraic sum of the moments of the forces about a point must be zero All (A), (B) and (C) Algebraic sum of horizontal components of all the forces must be zero Algebraic sum of vertical components of all the forces must be zero Algebraic sum of the moments of the forces about a point must be zero All (A), (B) and (C) Algebraic sum of horizontal components of all the forces must be zero 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 left support 500 tonnes at the centre 200 tonnes at the centre 200 tonnes at the right support 200 tonnes at the left support 500 tonnes at the centre 200 tonnes at the centre 200 tonnes at the right support ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is 10.2 t 10.4 t 10.8 t 10.6 t 10.2 t 10.4 t 10.8 t 10.6 t ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is 0.6 0.7 0.75 0.65 0.6 0.7 0.75 0.65 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angle which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down, is called None of these Angle of inclination Angle of friction Angle of repose None of these Angle of inclination Angle of friction Angle of repose ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a non-concurrent force system to be in equilibrium Only the closure of force polygon is sufficient Both force polygon and funicular polygon must close None of these Only the closure of funicular polygon is sufficient Only the closure of force polygon is sufficient Both force polygon and funicular polygon must close None of these Only the closure of funicular polygon is sufficient ANSWER DOWNLOAD EXAMIANS APP
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