Strength of Materials If a number of forces act simultaneously on a particle, it is possible To replace them by a single force To replace them by a single force through C.G. Not a replace them by a single force To replace them by a couple To replace them by a single force To replace them by a single force through C.G. Not a replace them by a single force To replace them by a couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A single force and a couple acting in the same plane upon a rigid body are equivalent produce moment of a couple cannot balance each other balance each other are equivalent produce moment of a couple cannot balance each other balance each other 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-<)>) Wsin(a + <(>) Wcos(a + ) Wtan(a + <)>) Wtan(a-<)>) Wsin(a + <(>) Wcos(a + ) 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/6 h/2 J/3 h/4 h/6 h/2 J/3 h/4 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In ideal machines mechanical advantage is less than velocity ratio mechanical advantage is unity mechanical advantage is greater than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is less than velocity ratio mechanical advantage is unity mechanical advantage is greater than velocity ratio mechanical advantage is equal to velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of work, energy and heat ? kg m kWhr hp kcal kg m kWhr hp kcal ANSWER DOWNLOAD EXAMIANS APP