Strength of Materials Center of gravity of a solid cone lies on the axis at the height one-third of the total height above base one-half of the total height above base one-fourth of the total height above base three-eighth of the total height above the base one-third of the total height above base one-half of the total height above base one-fourth of the total height above base three-eighth of the total height above the base 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 Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A force acting on a body may change its motion All of the listed here retard its motion introduce internal stresses change its motion All of the listed here retard its motion introduce internal stresses ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Dynamic friction as compared to static friction is more less same may be less of more depending on nature of surfaces and velocity more less same may be less of more depending on nature of surfaces and velocity 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 proportional to normal load between the surfaces proportional to velocity of sliding dependent on the materials of contact surface independent of the area of contact surfaces proportional to normal load between the surfaces proportional to velocity of sliding dependent on the materials of contact surface ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is four times same double half four times same double half ANSWER DOWNLOAD EXAMIANS APP