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 Which of the following is not the unit of pressure ? atmosphere kg/cm newton. mm of wcl atmosphere kg/cm newton. mm of wcl ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Two coplanar couples having equal and opposite moments Are equivalent Produce a couple and an unbalanced force Produce a moment of couple Balance each other Are equivalent Produce a couple and an unbalanced force Produce a moment of couple Balance each other 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 metal is twice as dense as water density of metal can’t be determined metal is twice as dense as unknown fluid metal will float in water metal is twice as dense as water density of metal can’t be determined metal is twice as dense as unknown fluid ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called concurrent when their lines of action meet in one point two points perpendicular planes plane one point two points perpendicular planes plane ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The coefficient of friction depends on nature of surface shape of surfaces strength of surfaces area of contact nature of surface shape of surfaces strength of surfaces area of contact ANSWER DOWNLOAD EXAMIANS APP
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