Strength of Materials If n = number of members andy = number of joints, then for a perfect frame, n = j-2 (d)3/-2 2/-3 (b)2j-l j-2 (d)3/-2 2/-3 (b)2j-l 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-<)>) Wcos(a + ) Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) Wcos(a + ) Wsin(a + <(>) Wtan(a + <)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Dynamic friction as compared to static friction is more may be less of more depending on nature of surfaces and velocity same less more may be less of more depending on nature of surfaces and velocity same less ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A force acting on a body may retard its motion All of the listed here change its motion introduce internal stresses retard its motion All of the listed here change its motion introduce internal stresses ANSWER DOWNLOAD EXAMIANS APP
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-fourth of the total height above base three-eighth of the total height above the base one-half of the total height above base one-third of the total height above base one-fourth of the total height above base three-eighth of the total height above the base one-half of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The coefficient of friction depends on shape of surfaces strength of surfaces area of contact nature of surface shape of surfaces strength of surfaces area of contact nature of surface ANSWER DOWNLOAD EXAMIANS APP