Applied Mechanics and Graphic Statics The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is 337.5 cm⁴ 237.5 cm⁴ 437.5 cm⁴ 137.5 cm⁴ 337.5 cm⁴ 237.5 cm⁴ 437.5 cm⁴ 137.5 cm⁴ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For perfectly elastic bodies, the value of coefficient of restitution is 1 Zero Between 0 and 1 0.5 1 Zero Between 0 and 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A string of length 90 cm is fastened to two points ‘A’ and ‘B’ at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force ‘P’ is applied to the ring such that it is in equilibrium vertically below ‘B’. The value of ‘P’ is: 60 g 80 g 40 g 100 g 60 g 80 g 40 g 100 g ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If ‘α’ is the angular acceleration of a compound pendulum whose angular displacement is ‘θ’, the frequency of the motion is 2π √(α/θ) (1/2π) √(α/θ) 4π √(α/θ) 2π √(α - θ) 2π √(α/θ) (1/2π) √(α/θ) 4π √(α/θ) 2π √(α - θ) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the resultant of two forces ‘P’ and ‘Q’ acting at an angle ‘θ’ makes an angle ‘α’ with ‘P’, then tan α equals Q sin θ/P + Q cos θ Q sin θ/P + Q sin θ P sin θ/P - Q cos θ P sin θ/P + Q tan θ Q sin θ/P + Q cos θ Q sin θ/P + Q sin θ P sin θ/P - Q cos θ P sin θ/P + Q tan θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces each equal to ‘T’ in magnitude act at right angles, their effect may be neutralized by a third force acting along their bisector in opposite direction whose magnitude will be 2 T 1/2 T 3 T √2 T 2 T 1/2 T 3 T √2 T ANSWER DOWNLOAD EXAMIANS APP
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