Strength of Materials If n = number of members andy = number of joints, then for a perfect frame, n = j-2 (d)3/-2 (b)2j-l 2/-3 j-2 (d)3/-2 (b)2j-l 2/-3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of percussion of the homogeneous rod of length L suspended at the top will be 3L/4 L/2 L/3 2L/3 3L/4 L/2 L/3 2L/3 ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly 124 m 62.5 m 38 m 96 m 124 m 62.5 m 38 m 96 m 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 Wcos(a + ) Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) Wcos(a + ) Wsin(a + <(>) Wtan(a + <)>) Wtan(a-<)>) ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials When trying to turn a key into a lock, following is applied coplanar force non-coplanar forces couple moment coplanar force non-coplanar forces couple moment ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Then which is correct statement about density of metal metal is twice as dense as water metal will float in water density of metal can’t be determined metal is twice as dense as unknown fluid metal is twice as dense as water metal will float in water density of metal can’t be determined metal is twice as dense as unknown fluid ANSWER DOWNLOAD EXAMIANS APP
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