Strength of Materials The coefficient of friction depends on strength of surfaces nature of surface shape of surfaces area of contact strength of surfaces nature of surface shape of surfaces area of contact 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 If a number of forces act simultaneously on a particle, it is possible Not a replace them by a single force To replace them by a couple To replace them by a single force through C.G. To replace them by a single force Not a replace them by a single force To replace them by a couple To replace them by a single force through C.G. To replace them by a single force ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is the example of lever of first order? All of the listed here Pair of clinical tongs Arm of man Pair of scissors All of the listed here Pair of clinical tongs Arm of man Pair of scissors 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 double same four times half double same four times half ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The C.G. of a right circular solid cone of height h lies at the following distance from the base h/4 J/3 h/6 h/2 h/4 J/3 h/6 h/2 ANSWER DOWNLOAD EXAMIANS APP