Q.1
The ____________ forces are used are used in the method of sections for the calculation of the internal forces.
  • a) Internal rotational
  • b) Couple rotational
  • c) Translational
  • d) External
Q.2
Every point on the force vector which is the internal force is having the same magnitude and the same direction as the whole force vector have.
  • a) True
  • b) False
Q.3
For getting the normal force on the supports, we do what?
  • a) Make the vertical sum of the forces equal to zero
  • b) Make the horizontal sum of the forces equal to zero
  • c) Make the moment sum of the forces equal to zero
  • d) Make the rotational sum of the forces equal to zero
Q.4
For getting the horizontal component of the support reactions what do we do?
  • a) Make the vertical sum of the forces equal to zero
  • b) Make the horizontal sum of the forces equal to zero
  • c) Make the moment sum of the forces equal to zero
  • d) Make the rotational sum of the forces equal to zero
Q.5
Twisting moment is also called as __________
  • a) Moment of line
  • b) Moment of section
  • c) Moment of plane
  • d) Torsional moment
Q.6
The loading generally act upon the ___________ of the body.
  • a) Centroid
  • b) Symmetrical centre
  • c) Rotational centre
  • d) Chiral centre
Q.7
The area of does make the difference in the internal forces, that is if the area is large the internal force acting is also large and vice versa.
  • a) True
  • b) False
Q.8
The magnitude of each loading will be ___________ at various points along the axis of the member of the beam.
  • a) Same
  • b) Different
  • c) Slightly different
  • d) Slightly same
Q.9
Torsional moment is applied at the ___________ part of the beam.
  • a) The centroid
  • b) The left end
  • c) The right end
  • d) The axis beyond the body of the beam
Q.10
Normal force is equal to _______________
  • a) The net horizontal force
  • b) The net vertical force with a negative sign
  • c) The net horizontal force with a negative sign
  • d) The net vertical force
Q.11
If the normal force creates a tension then the force is said to be ____________
  • a) Positive
  • b) Negative
  • c) Rotational
  • d) Collinear
Q.12
If the shear force creates a clockwise rotation then the force is said to be ____________
  • a) Positive
  • b) Negative
  • c) Rotational
  • d) Collinear
Q.13
If the bending of the beam is concave upwards then the bending moment developed is called __________ moment.
  • a) Positive
  • b) Negative
  • c) Rotational
  • d) Collinear
Q.14
In the diagram given below, coordinates of D is (-2), C (-and B are as shown. The dark region is the cables holding the weight ofat origin. Find the tension in the AD section.
Questionengineering-mechanics-questions-answers14.jpg
  • a) 900N
  • b) 693N
  • c) 646N
  • d) 0N
Q.15
Find the tension in the cable AC.
  • a) 23.6N
  • b) 55N
  • c) 89N
  • d) -29N
0 h : 0 m : 1 s