Strength of Materials Coulomb friction is the friction between two dry surfaces bodies having relative motion two lubricated surfaces solids and liquids two dry surfaces bodies having relative motion two lubricated surfaces solids and liquids ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If a rigid body is in equilibrium under the action of three forces, then the lines of action of these forces meet in a point & the lines of action of these forces are parallel the lines of action of these forces meet in a point the lines of action of these forces are parallel these forces are equal the lines of action of these forces meet in a point & the lines of action of these forces are parallel the lines of action of these forces meet in a point the lines of action of these forces are parallel these forces are equal 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 10 kg, - ve sense 20 kg, + ve sense 10 kg, + ve sense 20 kg, - ve sense 10 kg, - ve sense 20 kg, + ve sense 10 kg, + ve sense 20 kg, - ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of gravity of a solid cone lies on the axis at the height one-third of the total height above base one-fourth of the total height above base three-eighth of the total height above the base one-half of the total height above base one-third of the total height above base one-fourth of the total height above base three-eighth of the total height above the base one-half of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If a number of forces act simultaneously on a particle, it is possible Not a replace them by a single force To replace them by a single force To replace them by a couple To replace them by a single force through C.G. Not a replace them by a single force To replace them by a single force To replace them by a couple To replace them by a single force through C.G. 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 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 20 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP