Strength of Materials A framed structure is perfect if it contains members equal to (where n = number of joints in a frame) 2n-l n-2 n-l 2n-3 2n-l n-2 n-l 2n-3 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=""> Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) Wsin(a + <(>) Wtan(a-<)>) Wtan(a + <)>) Wcos(a + ) 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 10 kg, + ve sense 20 kg, + ve sense 10 kg, - ve sense 20 kg, - ve sense 10 kg, + ve sense 20 kg, + ve sense 10 kg, - ve sense 20 kg, - ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Pick up wrong statement about friction force for dry surfaces. Friction force is proportional to normal load between the surfaces dependent on the materials of contact surface independent of the area of contact surfaces proportional to velocity of sliding proportional to normal load between the surfaces dependent on the materials of contact surface independent of the area of contact surfaces proportional to velocity of sliding ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one circle parabola ellipse hyperbola circle parabola ellipse hyperbola ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If n = number of members andy = number of joints, then for a perfect frame, n = (d)3/-2 j-2 (b)2j-l 2/-3 (d)3/-2 j-2 (b)2j-l 2/-3 ANSWER DOWNLOAD EXAMIANS APP
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