Strength of Materials Center of gravity of a solid cone lies on the axis at the height one-fourth of the total height above base one-half of the total height above base one-third of the total height above base three-eighth of the total height above the base one-fourth of the total height above base one-half of the total height above base one-third of the total height above base three-eighth of the total height above the base 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
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 unknown fluid metal is twice as dense as water density of metal can’t be determined metal will float in water metal is twice as dense as unknown fluid metal is twice as dense as water density of metal can’t be determined metal will float in water ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is Maximum when it acts at the center of gravity of a body Different at different points in its line of action The same at every point in its line of action Minimum when it acts at the C.G. of the body Maximum when it acts at the center of gravity of a body Different at different points in its line of action The same at every point in its line of action Minimum when it acts at the C.G. of the body ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A pair of smith’s tongs is an example of the lever of second order third order zeioth order first order second order third order zeioth order first order 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 horizontally along the plane vertically at an angle equal to the angle of friction to the inclined plane horizontally along the plane vertically at an angle equal to the angle of friction to the inclined plane ANSWER DOWNLOAD EXAMIANS APP
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