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 20 kg, + ve sense 10 kg, – ve sense 20 kg, – ve sense 10 kg, + ve sense 20 kg, + ve sense 10 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 will float in water density of metal can’t be determined metal is twice as dense as water metal is twice as dense as unknown fluid metal will float in water density of metal can’t be determined metal is twice as dense as water ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of work or energy in S.I. units is newton watt joule pascal newton watt joule pascal ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Effect of a force on a body depends upon All of the listed here direction magnitude position or line of action All of the listed here direction magnitude position or line of action ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Tangent of angle of friction is equal to angle of repose limiting friction kinetic friction coefficient of friction angle of repose limiting friction kinetic friction coefficient of friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is proportional to normal load between the surfaces dependent on the materials of contact surface independent of the area of contact surfaces proportional to velocity of sliding proportional to normal load between the surfaces dependent on the materials of contact surface independent of the area of contact surfaces proportional to velocity of sliding ANSWER DOWNLOAD EXAMIANS APP