Strength of Materials If n = number of members andy = number of joints, then for a perfect frame, n = j-2 (b)2j-l 2/-3 (d)3/-2 j-2 (b)2j-l 2/-3 (d)3/-2 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
Strength of Materials Two non-collinear parallel equal forces acting in opposite direction constitute a couple balance each other constitute a moment of couple constitute a moment constitute a couple balance each other constitute a moment of couple constitute a moment ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is 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 proportional to velocity of sliding ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of gravity of a solid cone lies on the axis at the height one-half of the total height above base one-third of the total height above base three-eighth of the total height above the base one-fourth of the total height above base one-half of the total height above base one-third of the total height above base three-eighth of the total height above the base one-fourth of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which one of the following statements is not correct the tangent of the angle of repose is equal to coefficient 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 angle of repose is equal to angle of friction the tangent of the angle of repose is equal to coefficient 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 angle of repose is equal to angle of friction ANSWER DOWNLOAD EXAMIANS APP
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