Engineering Mechanics If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is None of these g/3 g/2 g/4 None of these g/3 g/2 g/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Work done is said to be zero, when No force acts on a body but some displacement takes place Either (A) or (B) None of these Some force acts on a body, but displacement is zero No force acts on a body but some displacement takes place Either (A) or (B) None of these Some force acts on a body, but displacement is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In ideal machines, mechanical advantage is __________ velocity ratio. Equal to Greater than None of these Less than Equal to Greater than None of these Less than 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) D/(d₁ - d₂) 2D/(d₁ + d₂) 2D/(d₁ - d₂) D/(d₁ + d₂) D/(d₁ - d₂) 2D/(d₁ + d₂) 2D/(d₁ - d₂) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to completely specify angular displacement by a vector, it must fix All of these Magnitude of angular displacement Sense of angular displacement Direction of the axis of rotation All of these Magnitude of angular displacement Sense of angular displacement Direction of the axis of rotation ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Coefficient of friction depends upon Both (A) and (B) Nature of surface only Area of contact only None of these Both (A) and (B) Nature of surface only Area of contact only None of these ANSWER DOWNLOAD EXAMIANS APP
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