Strength of Materials A pair of smith’s tongs is an example of the lever of second order zeioth order third order first order second order zeioth order third order first order ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials According to principle of transmissibility of forces, the effect of a force upon a body is Different at different points in its line of action The same at every point in its line of action Minimum when it acts at the C.G. of the body Maximum when it acts at the center of gravity of a body Different at different points in its line of action The same at every point in its line of action Minimum when it acts at the C.G. of the body Maximum when it acts at the center of gravity of a body ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Forces are called coplanar when all of them acting on body lie in different planes perpendicular planes one point one plane different planes perpendicular planes one point one plane ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) n-l 2n-3 2n-l n-2 n-l 2n-3 2n-l n-2 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a uniform lamina lies at the center of heavy portion the bottom surface All of these the mid point of its axis the center of heavy portion the bottom surface All of these the mid point of its axis 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