Engineering Mechanics An ideal machine is one whose efficiency is Between 80 and 90% 1 Between 70 and 80% Between 60 and 70 % Between 80 and 90% 1 Between 70 and 80% Between 60 and 70 % ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum height of a projectile on a horizontal plane, is u² cos²α/2g u² sin²α/2g u² cos²α/g u² sin²α/g u² cos²α/2g u² sin²α/2g u² cos²α/g u² sin²α/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The mechanical advantage of a lifting machine is the ratio of All of these Distance moved by effort to the distance moved by load Output to the input Load lifted to the effort applied All of these Distance moved by effort to the distance moved by load Output to the input Load lifted to the effort applied ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Static friction is always __________ dynamic friction. None of these Less than Greater than Equal to None of these Less than Greater than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a sphere of mass 'm' and radius 'r', about an axis tangential to it, is 2mr²/5 2mr²/3 7mr²/3 7mr²/5 2mr²/5 2mr²/3 7mr²/3 7mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Mass moment of inertia of a uniform thin rod of mass M and length (l) about its mid-point and perpendicular to its length is (1/12) Ml² (2/3) Ml² (1/3) Ml² (3/4) Ml² (1/12) Ml² (2/3) Ml² (1/3) Ml² (3/4) Ml² ANSWER DOWNLOAD EXAMIANS APP
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