Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) n-2 2n-3 2n-l n-l n-2 2n-3 2n-l n-l 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 right angled triangle circle equilateral triangle square right angled triangle circle equilateral triangle square ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Frictional force encountered after commencement of motion is called limiting friction dynamic friction frictional resistance post friction limiting friction dynamic friction frictional resistance post friction ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials In ideal machines mechanical advantage is unity mechanical advantage is less than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio mechanical advantage is unity mechanical advantage is less than velocity ratio mechanical advantage is equal to velocity ratio mechanical advantage is greater than velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are 2 and 5 V5 and V5 3 and 1 kg 2 and V6 2 and 5 V5 and V5 3 and 1 kg 2 and V6 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The resultant of the following three couples 20 kg force, 0.5 m arm, + ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be 20 kg, + ve sense 20 kg, - ve sense 10 kg, - ve sense 10 kg, + ve sense 20 kg, + ve sense 20 kg, - ve sense 10 kg, - ve sense 10 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP