Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) 2n-3 2n-l n-l n-2 2n-3 2n-l n-l n-2 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 single force through C.G. To replace them by a single force To replace them by a couple Not a replace them by a single force To replace them by a single force through C.G. To replace them by a single force To replace them by a couple ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In ideal machines 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 mechanical advantage is less than velocity ratio mechanical advantage is unity 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 Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to 25 50 100 250 25 50 100 250 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of pressure ? atmosphere mm of wcl newton. kg/cm atmosphere mm of wcl newton. kg/cm ANSWER DOWNLOAD EXAMIANS APP