Strength of Materials A pair of smith’s tongs is an example of the lever of second order first order zeioth order third order second order first order zeioth order third order ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials If a number of forces act simultaneously on a particle, it is possible Not a replace them by a single force To replace them by a couple To replace them by a single force through C.G. To replace them by a single force Not a replace them by a single force To replace them by a couple To replace them by a single force through C.G. To replace them by a single force 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 20 kg, + ve sense 10 kg, + ve sense 20 kg, - ve sense 10 kg, - ve sense 20 kg, + ve sense 10 kg, + ve sense ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The center of gravity of a uniform lamina lies at All of these the center of heavy portion the bottom surface the mid point of its axis All of these the center of heavy portion the bottom surface the mid point of its axis ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials Center of gravity of a solid cone lies on the axis at the height one-half of the total height above base one-third of the total height above base three-eighth of the total height above the base one-fourth of the total height above base one-half of the total height above base one-third of the total height above base three-eighth of the total height above the base one-fourth of the total height above base ANSWER DOWNLOAD EXAMIANS APP
Strength of Materials The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be 2r/3 r/A 3r/2 r/2 2r/3 r/A 3r/2 r/2 ANSWER DOWNLOAD EXAMIANS APP
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