Engineering Mechanics If n = number of members and y = number of joints, then for a perfect frame, n = ? 43892 43832 43864 43865 43892 43832 43864 43865 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a differential wheel and axle with 'D' as the diameter of effort wheel and d1 and d2 as the diameters of larger and smaller axles respectively, is D/(d₁ + d₂) 2D/(d₁ + d₂) 2D/(d₁ - d₂) D/(d₁ - d₂) D/(d₁ + d₂) 2D/(d₁ + d₂) 2D/(d₁ - d₂) D/(d₁ - d₂) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is None of these Ideal Non-reversible Reversible None of these Ideal Non-reversible Reversible ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency less than 50%, is known as Reversible machine Neither reversible nor non-reversible machine Non-reversible machine Ideal machine Reversible machine Neither reversible nor non-reversible machine Non-reversible machine Ideal machine 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 2mr²/3 2mr²/5 7mr²/5 7mr²/3 2mr²/3 2mr²/5 7mr²/5 7mr²/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The skidding away of the vehicle on a level circular path can be avoided if the force of friction between the wheels and the ground is __________ the centrifugal force. Greater than None of these Equal to Less than Greater than None of these Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
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