Strength of Materials The product of either force of couple with the arm of the couple is called moment of the couple resulting couple resultant couple moment of the forces moment of the couple resulting couple resultant couple moment of the forces 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 will float in water density of metal can’t be determined metal is twice as dense as unknown fluid metal is twice as dense as water metal will float in water density of metal can’t be determined metal is twice as dense as unknown fluid metal is twice as dense as water ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coefficient of friction is the ratio of limiting friction and normal reaction the friction force acting when the body is just about to move angle between normal reaction and the resultant of normal reaction and the limiting friction the friction force acting when the body is in motion ratio of limiting friction and normal reaction the friction force acting when the body is just about to move angle between normal reaction and the resultant of normal reaction and the limiting friction the friction force acting when the body is in motion 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 The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is half same four times double half same four times double ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of power ? hp (horse power) kW (kilowatt) kg m/sec kcal/kg sec. hp (horse power) kW (kilowatt) kg m/sec kcal/kg sec. ANSWER DOWNLOAD EXAMIANS APP