Strength of Materials Kinetic friction is the The friction force acting when the body is just about to move Tangent of 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 Tangent of 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 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to 25 100 50 250 25 100 50 250 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A force is completely defined when we specify direction point of application magnitude All of the listed here direction point of application magnitude All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is 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 proportional to normal load between the surfaces ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a uniform lamina lies at the bottom surface the center of heavy portion All of these the mid point of its axis the bottom surface the center of heavy portion All of these the mid point of its axis ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The effort required to lift a load W on a screw jack with helix angle a and angle of friction<="" div=""> Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) ANSWER DOWNLOAD EXAMIANS APP