Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) n-2 2n-l n-l 2n-3 n-2 2n-l n-l 2n-3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A number of forces acting at a point will be in equilibrium if Their total sum is zero Two resolved parts in two directions at right angles are equal All of them are inclined equally Sum of resolved parts in any two perpendicular directions are both zero Their total sum is zero Two resolved parts in two directions at right angles are equal All of them are inclined equally Sum of resolved parts in any two perpendicular directions are both zero 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 20 kg, – ve sense 10 kg, – ve sense 10 kg, + ve sense 20 kg, + ve sense 20 kg, – ve sense 10 kg, – ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of percussion of the homogeneous rod of length L suspended at the top will be 3L/4 2L/3 L/3 L/2 3L/4 2L/3 L/3 L/2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two coplanar couples having equal and opposite moments Are equivalent Balance each other Produce a couple and an unbalanced force Produce a moment of couple Are equivalent Balance each other Produce a couple and an unbalanced force Produce a moment of couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction vertically along the plane at an angle equal to the angle of friction to the inclined plane horizontally vertically along the plane at an angle equal to the angle of friction to the inclined plane horizontally ANSWER DOWNLOAD EXAMIANS APP
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