Strength of Materials In the lever of third order, load W, effort P and fulcrum F are oriented as follows P between W and F F between W and P W between P and F W, P and F all on one side P between W and F F between W and P W between P and F W, P and F all on one side ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials When trying to turn a key into a lock, following is applied couple moment non-coplanar forces coplanar force couple moment non-coplanar forces coplanar force ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be 20 kg, – ve sense 10 kg, + ve sense 10 kg, – ve sense 20 kg, + ve sense 20 kg, – ve sense 10 kg, + ve sense 10 kg, – ve sense 20 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is Minimum when it acts at the C.G. of the body Different at different points in its line of action Maximum when it acts at the center of gravity of a body The same at every point in its line of action Minimum when it acts at the C.G. of the body Different at different points in its line of action Maximum when it acts at the center of gravity of a body The same at every point in its line of action ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of power ? hp (horse power) kW (kilowatt) kcal/kg sec. kg m/sec hp (horse power) kW (kilowatt) kcal/kg sec. kg m/sec ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The necessary condition for forces to be in equilibrium is that these should be Coplanar & Meet at one point All be equal Meet at one point Coplanar Coplanar & Meet at one point All be equal Meet at one point Coplanar ANSWER DOWNLOAD EXAMIANS APP