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 locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one hyperbola circle ellipse parabola hyperbola circle ellipse parabola ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of work, energy and heat ? hp kcal kWhr kg m hp kcal kWhr kg m 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-<)>) Wsin(a + <(>) Wcos(a + ) Wtan(a + <)>) Wtan(a-<)>) Wsin(a + <(>) Wcos(a + ) Wtan(a + <)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is Minimum when it acts at the C.G. of the body The same at every point in its line of action Maximum when it acts at the center of gravity of a body Different at different points in its line of action Minimum when it acts at the C.G. of the body The same at every point in its line of action Maximum when it acts at the center of gravity of a body Different at different points in its line of action ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The C.G. of a plane lamina will not be at its geometrical centre in the case of a equilateral triangle circle square right angled triangle equilateral triangle circle square right angled triangle ANSWER DOWNLOAD EXAMIANS APP