Strength of Materials Coulomb friction is the friction between two dry surfaces two lubricated surfaces solids and liquids bodies having relative motion two dry surfaces two lubricated surfaces solids and liquids bodies having relative motion ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of power in S.I. units is kilogram meter/sec. watt joule newton meter kilogram meter/sec. watt joule newton meter 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 are parallel the lines of action of these forces meet in a point 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 are parallel the lines of action of these forces meet in a point these forces are equal the lines of action of these forces meet in a point & the lines of action of these forces are parallel 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 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 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be 3r/2 2r/3 r/A r/2 3r/2 2r/3 r/A r/2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are 2 and V6 V5 and V5 2 and 5 3 and 1 kg 2 and V6 V5 and V5 2 and 5 3 and 1 kg ANSWER DOWNLOAD EXAMIANS APP
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