Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) 2n-l 2n-3 n-2 n-l 2n-l 2n-3 n-2 n-l 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<="" div=""> Wtan(a + <)>) Wcos(a + ) Wtan(a-<)>) Wsin(a + <(>) Wtan(a + <)>) Wcos(a + ) Wtan(a-<)>) Wsin(a + <(>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a uniform lamina lies at 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 the center of heavy portion ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A force acting on a body may introduce internal stresses change its motion All of the listed here retard its motion introduce internal stresses change its motion All of the listed here retard its motion 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
Strength of Materials Forces are called coplanar when all of them acting on body lie in one plane different planes perpendicular planes one point one plane different planes perpendicular planes one point ANSWER DOWNLOAD EXAMIANS APP
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