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FORCES MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

 

FORCES MULTIPLE CHOICE QUESTIONS

(MCQ) WITH ANSWERS

A force is an external agent which can do the followings:

(i) Can move a stationary body

(ii) Can accelerate a slow moving body

(iii)  Can deaccelerate a fast moving body.

(iv) Can stop a slow moving body

(v) Can deform a body

(vi) Can distort a body

Forces comes from weight, wind, thermal, seismic, centrifugal.

Q1. Tensile force is one which increases the dimension in its own direction and is

(a) Parallel to the area of cross section
(b) Normal to area of cross section
(c) Neither normal nor parallel to the cross section
(d) None
(Ans: b)

Q2. Tensile force is normal to the cross section and its vector is

(a) Going into the area of cross section
(b) Coming out of the area of cross section
(c) Neither going in nor coming out of the cross section
(d) None
(Ans: b)

Q3. Compressive force is one which decreases the dimension in its own direction and is

(a) Parallel to the area of cross section
(b) Normal to area of cross section
(c) Neither normal nor parallel to the cross section
(d) None
(Ans: b)

Q4. Compressive force is normal to the cross section and its vector is

(a) Going into the area of cross section
(b) Coming out of the area of cross section
(c) Neither going in nor coming out of the cross section
(d) None
(Ans: a)

Q5. A shear force is one which is

(a) Normal to the cross section
(b) Parallel to the surface
(c) Neither normal nor parallel to the surface
(d) None
(Ans: b)

Q6. Identify the type of force in a wire will be

(a) Compressive
(b) Tensile
(c) Shear
(d) None
(Ans: b)

Q7. Identify the frictional force in a body will be

(a) Compressive
(b) Tensile
(c) Shear
(d) None
(Ans: c)

Q8. Identify the viscous force in a moving fluid will be

(a) Compressive
(b) Tensile
(c) Shear
(d) None
(Ans: c)

 Q9. A dead load is one which is

(a) Constant in magnitude and direction
(b) Variable magnitude and direction
(c) Constant in magnitude and variable in direction
(d) None
(Ans: a)

Q10. A live load is one which is

(a) Constant in magnitude and direction
(b) Variable magnitude and direction
(c) Constant in magnitude and variable in direction
(d) None
(Ans: b)

  Q11. A thermal load is a tensile load when the body is prevented in its

(a) Expansion
(b) Contraction
(c) Expansion as well as contraction
(d) None
(Ans: b)

  Q12. A thermal load is a compressive load when the body is prevented in its

(a) Expansion
(b) Contraction
(c) Expansion as well as contraction
(d) None
(Ans: a)

  Q13. A thermal force is always

(a) Tensile
(b) Compressive
(c) Shear
(d) None
(Ans: d)

  Q14. A centrifugal force is a

(a) Tensile
(b) Compressive
(c) Shear
(d) None
(Ans: a)

   Q15. A snow load is one

(a) Constant in magnitude and direction
(b) Variable magnitude and direction
(c) Constant in magnitude and variable in direction
(d) None
(Ans: d)

    Q16. A snow load is one

(a) Variable in magnitude and constant in direction
(b) Variable in magnitude and direction
(c) Constant in magnitude and variable in direction
(d) None
(Ans: a)

   Q17. A seismic load is a

(a) Radial load
(b) Tangential load
(c) Both radial as well as tangential load
(d) None
(Ans: d)

    Q18. A seismic load is a

(a) Continuous load
(b) Periodic load
(c) yearly load
(d) None
(Ans: b)

     Q19. A seismic load is a repeating load after every

(a) 5 years
(b) 10 years
(c) Uncertain years
(d) None
(Ans: c)

    Q20. A seismic load is measured on the

(a) Linear scale
(b) Parabolic scale
(c) Logarithmic scale
(d) None
(Ans: d)

    Q21. A seismic load is instantaneously destructive when its magnitude on Richter’s scale is

(a) < 7
(b) = 7
(c) > 7
(d) None
(Ans: c)

    Q22. An inertia force is

(a) Mass x velocity
(b) Mass x displacement
(c) mrω2
(d) None
(Ans: d)

   Q23. An inertia force is

(a) Mass x velocity
(b) Mass x acceleration
(c) mrω2
(d) None
(Ans: b)

   Q24.  A dead load is a

(a) Inertia force
(b) Gravitational force
(c) Pressure force
(d) None
(Ans: b)

   Q25. A dead load is a

(a) Centrifugal force
(b) Frictional force
(c) Thermal force
(d) None
(Ans: d)

    Q26. A dead load is a

(a) Live force
(b) Tensile force
(c) Seismic force
(d) None
(Ans: d)

Q27. A wind force is a

(a) Constant in magnitude and constant in direction

(b) varying in magnitude as well as in direction

(c) Constant in magnitude and variable in direction

(d) None

(Ans: b)

 

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