Strength of Materials Center of percussion is the point of C.G. the point of metacentre the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis point of suspension the point of C.G. the point of metacentre the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis point of suspension ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is independent of the area of contact surfaces proportional to velocity of sliding proportional to normal load between the surfaces dependent on the materials of contact surface independent of the area of contact surfaces proportional to velocity of sliding proportional to normal load between the surfaces dependent on the materials of contact surface ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If three forces acting in different planes can be represented by a triangle, these will be in non-equilibrium partial equilibrium full equilibrium unpredictable non-equilibrium partial equilibrium full equilibrium unpredictable ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The C.G. of a right circular solid cone of height h lies at the following distance from the base h/6 h/4 J/3 h/2 h/6 h/4 J/3 h/2 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 A number of forces acting at a point will be in equilibrium if Two resolved parts in two directions at right angles are equal All of them are inclined equally Their total sum is zero Sum of resolved parts in any two perpendicular directions are both zero Two resolved parts in two directions at right angles are equal All of them are inclined equally Their total sum is zero Sum of resolved parts in any two perpendicular directions are both zero ANSWER DOWNLOAD EXAMIANS APP