Strength of Materials Kinetic friction is the The friction force acting when the body is just about to move The friction force acting when the body is in motion Tangent of 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 just about to move The friction force acting when the body is in motion Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction Ratio of limiting friction and normal reaction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a uniform lamina lies at the center of heavy portion All of these the bottom surface the mid point of its axis the center of heavy portion All of these the bottom surface 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 + ) Wtan(a + <)>) Wsin(a + <(>) Wtan(a-<)>) Wcos(a + ) Wtan(a + <)>) Wsin(a + <(>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of work, energy and heat ? kWhr hp kg m kcal kWhr hp kg m kcal ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of percussion of the homogeneous rod of length L suspended at the top will be 3L/4 2L/3 L/3 L/2 3L/4 2L/3 L/3 L/2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one parabola ellipse hyperbola circle parabola ellipse hyperbola circle ANSWER DOWNLOAD EXAMIANS APP