Strength of Materials In ideal machines 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 mechanical advantage is equal to velocity ratio mechanical advantage is unity 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 Wcos(a + ) Wtan(a + <)>) Wsin(a + <(>) Wtan(a-<)>) Wcos(a + ) Wtan(a + <)>) Wsin(a + <(>) Wtan(a-<)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of power in S.I. units is watt joule kilogram meter/sec. newton meter watt joule kilogram meter/sec. newton meter ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be Infinity Maximum Minimum Zero Infinity Maximum Minimum Zero ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Coulomb friction is the friction between solids and liquids two lubricated surfaces two dry surfaces bodies having relative motion solids and liquids two lubricated surfaces two dry surfaces bodies having relative motion ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The coefficient of friction depends on strength of surfaces area of contact shape of surfaces nature of surface strength of surfaces area of contact shape of surfaces nature of surface ANSWER DOWNLOAD EXAMIANS APP