Strength of Materials In ideal machines mechanical advantage is equal to velocity ratio mechanical advantage is unity mechanical advantage is less than velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is unity mechanical advantage is less than velocity ratio mechanical advantage is greater than velocity ratio 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 Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) Wcos(a + ) Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) Wcos(a + ) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not a scalar quantity density mass volume acceleration density mass volume acceleration ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a uniform lamina lies at the center of heavy portion All of these the bottom surface the mid point of its axis the center of heavy portion All of these the bottom surface the mid point of its axis ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of work, energy and heat ? kWhr hp kg m kcal kWhr hp kg m kcal ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The weight of a body is due to gravitational pull exerted by the earth force of attraction experienced by par-ticles gravitational force of attraction towards the centre of the earth. centripetal force of earth gravitational pull exerted by the earth force of attraction experienced by par-ticles gravitational force of attraction towards the centre of the earth. centripetal force of earth ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS