# Applied Mechanics and Graphic Statics Online Exam set 24

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(A) 15
(B) 18
(C) 20
(D) 26

## Q2. If the angle between the applied force and the direction of motion of a body, is between 90° and 180°, the work done, is called

(A) Virtual work
(B) Imaginary work
(C) Zero work
(D) Negative work

Answer: (D) Negative work

## Q3. Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and

(A) Concurrent
(B) Parallel
(C) Concurrent parallel
(D) None of these

## Q4. Pick up the incorrect statement from the following. In case of suspension bridge due to rise in temperature,

(A) Dip of the cable increases
(B) Length of the cable increases
(C) Dip of the cable decreases
(D) None of these

Answer: (C) Dip of the cable decreases

## Q5. If the angle of projection is double the angle of inclination (α) of the plane on which particle is projected, the ratio of times of flight up the inclined plane and down the inclined plane, will be

(A) ½ cos α
(B) ½ sin α
(C) ½ tan α
(D) 2 cos α

Answer: (A) ½ cos α

## Q6. Coefficient of friction depends on

(A) Nature of surfaces only
(B) Area of contact only
(C) Both (A) and (B)
(D) None of the above

Answer: (A) Nature of surfaces only

## Q7. If ‘α’ is the angular acceleration of a compound pendulum whose angular displacement is ‘θ’, the frequency of the motion is

(A) 2π √(α/θ)
(B) (1/2π) √(α/θ)
(C) 4π √(α/θ)
(D) 2π √(α – θ)

Answer: (B) (1/2π) √(α/θ)

## Q8. In simple harmonic motion, acceleration of a particle is proportional to

(A) Rate of change of velocity
(B) Displacement
(C) Velocity
(D) Direction

## Q9. The intrinsic equation of catenary is

(A) S = c tan ψ
(B) y = c cosh x/c
(C) y = c cosh ψ
(D) y = c sinh ψ

Answer: (A) S = c tan ψ

## Q10. The acceleration of a train starting from rest at any instant is 1/6(V + 1) m/sec² where ‘V’ is the velocity of the train in m/sec. The train will attain a velocity of 36 km/hour after travelling a distance of

(A) 2000 m
(B) 2100 m
(C) 2200 m
(D) 2300 m

Answer: (D) 2300 m

## Q11. When a body falls freely under gravitational force, it possesses

(A) Maximum weight
(B) Minimum weight
(C) No weight
(D) No effect on its weight

Answer: (C) No weight

(A) 8°
(B) 9°
(C) 10°
(D) 11°

## Q13. A satellite goes on moving along its orbit round the earth due to

(A) Gravitational force
(B) Centrifugal force
(C) Centripetal force
(D) None of these

Answer: (B) Centrifugal force

(A) 1.5
(B) 5
(C) 25
(D) 314

## Q15. What is the answer to this question?Applied Mechanics and Graphic Statics

(A) 10.8 t
(B) 10.6 t
(C) 10.4 t
(D) 10.2 t

Answer: (A) 10.8 t

## Applied Mechanics and Graphic Statics MCQ with Answers

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