Strength of Materials Two coplanar couples having equal and opposite moments Produce a couple and an unbalanced force Balance each other Produce a moment of couple Are equivalent Produce a couple and an unbalanced force Balance each other Produce a moment of couple Are equivalent ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The unit of power in S.I. units is watt newton meter kilogram meter/sec. joule watt newton meter kilogram meter/sec. joule 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 unknown fluid metal will float in water density of metal can’t be determined metal is twice as dense as water metal is twice as dense as unknown fluid metal will float in water density of metal can’t be determined metal is twice as dense as water ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Which of the following is not the unit of distance ? millimeter milestone light year angstrom millimeter milestone light year angstrom 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 10 kg, - ve sense 10 kg, + ve sense 20 kg, - ve sense 20 kg, + ve sense 10 kg, - ve sense 10 kg, + ve sense 20 kg, - ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If n = number of members andy = number of joints, then for a perfect frame, n = j-2 (d)3/-2 2/-3 (b)2j-l j-2 (d)3/-2 2/-3 (b)2j-l ANSWER DOWNLOAD EXAMIANS APP
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