Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) n-2 n-l 2n-l 2n-3 n-2 n-l 2n-l 2n-3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The product of either force of couple with the arm of the couple is called moment of the couple moment of the forces resulting couple resultant couple moment of the couple moment of the forces resulting couple resultant couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The weight of a body is due to gravitational pull exerted by the earth gravitational force of attraction towards the centre of the earth. force of attraction experienced by par-ticles centripetal force of earth gravitational pull exerted by the earth gravitational force of attraction towards the centre of the earth. force of attraction experienced by par-ticles centripetal force of earth 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 at an angle equal to the angle of friction to the inclined plane along the plane vertically horizontally at an angle equal to the angle of friction to the inclined plane along the plane vertically horizontally ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal metal is twice as dense as water metal will float in water metal is twice as dense as unknown fluid density of metal can’t be determined metal is twice as dense as water metal will float in water metal is twice as dense as unknown fluid density of metal can’t be determined ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Frictional force encountered after commencement of motion is called dynamic friction frictional resistance post friction limiting friction dynamic friction frictional resistance post friction limiting friction ANSWER DOWNLOAD EXAMIANS APP