Strength of Materials In ideal machines mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is unity mechanical advantage is less than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is unity mechanical advantage is less than velocity ratio 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 circle parabola hyperbola ellipse circle parabola hyperbola ellipse 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
Strength of Materials The center of percussion of the homogeneous rod of length L suspended at the top will be 2L/3 3L/4 L/2 L/3 2L/3 3L/4 L/2 L/3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which one of the following statements is not correct the tangent of the angle of friction is equal to coefficient of friction the tangent of the angle of repose is equal to coefficient of friction the angle of repose is equal to angle of friction the sine of the angle of repose is equal to coefficient to friction the tangent of the angle of friction is equal to coefficient of friction the tangent of the angle of repose is equal to coefficient of friction the angle of repose is equal to angle of friction the sine of the angle of repose is equal to coefficient to friction 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 Wcos(a + ) Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) Wcos(a + ) Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) ANSWER DOWNLOAD EXAMIANS APP
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