Strength of Materials The unit of force in S.I. units is dyne newton watt kilogram dyne newton watt kilogram ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called coplanar when all of them acting on body lie in one point different planes perpendicular planes one plane one point different planes perpendicular planes one plane ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of percussion is the point of metacentre the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis the point of C.G. point of suspension the point of metacentre the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis the point of C.G. point of suspension 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 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 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coefficient of friction is the 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 ratio of limiting friction and normal reaction the friction force acting when the body is in motion 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 ratio of limiting friction and normal reaction the friction force acting when the body is in motion ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is proportional to velocity of sliding independent of the area of contact surfaces dependent on the materials of contact surface proportional to normal load between the surfaces proportional to velocity of sliding independent of the area of contact surfaces dependent on the materials of contact surface proportional to normal load between the surfaces ANSWER DOWNLOAD EXAMIANS APP