Q.1
What is the relationship between each force, if three concurrent forces acting on a body according to Lami’s theorem?
  • a) Directly proportional to the sine of the angle between the other two forces
  • b) Inversely proportional to the cosine of the angle between the other two forces
  • c) Directly proportional to the cosine of the angle between the other two forces
  • d) Inversely proportional to the sine of the angle between the other two forces
Q.2
Which of the following is a vector quantity?
  • a) Density
  • b) Mass
  • c) Volume
  • d) Acceleration
Q.3
What is the the effect of a force upon a body according to the principle of transmissibility of forces?
  • a) Different at various locations along its line of action
  • b) Minimum when acting at the body’s centre of gravity
  • c) Maximum when acting at the body’s centre of gravity
  • d) The same at all points along its line of action
Q.4
The moment of the resultant of two concurrent forces to a center in their plane is equal to
  • a) The algebraic sum of the moments of the components to the same centre
  • b) The algebraic sum of the moments of the components to a different centre
  • c) The difference in component moments with respect to a different centre
  • d) The difference between the components moments at the same centre
Q.5
Which of the following conditions doesn’t affect the magnitude of the moment?
  • a) If the point of application of force is opposing the line of action
  • b) If the point of application of force is along the line of action
  • c) If the moment of centre is shifted along a line perpendicular to the line of action
  • d) If the resultant is maximal
Q.6
Which of the following forces do not cause the rotation?
  • a) Non-Parallel
  • b) Non-concurrent
  • c) Parallel
  • d) Concurrent
Q.7
The moment is the cross product of which of the following two vectors/scalars?
  • a) Force and Radius scalars
  • b) Radius and Force scalars
  • c) Force and Radius vectors
  • d) Radius and Force vectors
Q.8
Which part of the truss section is made to employ the method of joints in the free body diagram?
  • a) Combination of joint and the whole structure
  • b) The whole structure
  • c) Truss
  • d) Joints
Q.9
Which element of the truss section is made to apply the method of sections in the free body diagram?
  • a) The whole structure
  • b) Any section can be used
  • c) Joints
  • d) Truss
Q.10
Which of the following contains moving parts?
  • a) Beam
  • b) Frames
  • c) Machines
  • d) Truss
Q.11
The change in the moment is equal to which of the following?
  • a) Rotational moment
  • b) Bending moment
  • c) Total weight
  • d) Area under the shear diagram
Q.12
Over a block of weight W, the theory of friction is described. Which of the following describes the surface on which of the following block is located?
  • a) Coloured red
  • b) Having density in negative
  • c) The motion of that block is always horizontal
  • d) Non-rigid
Q.13
Which of the following type of screws is used in the machines?
  • a) Round-threaded
  • b) Helical-threaded
  • c) Rectangle-threaded
  • d) Square-threaded
Q.14
In the free body diagrams, the normal forces acting on the belt are in which of the following direction for calculating the equilibrium equations?
  • a) Horizontally Left
  • b) Horizontally Right
  • c) Vertically Upward
  • d) Vertically Downward
Q.15
In the journal bearings calculations, the moment is the cross product of which of the following two vectors?
  • a) Force and Radius scalars
  • b) Radius and Force scalars
  • c) Radius and Force vectors
  • d) Force and Radius vectors
0 h : 0 m : 1 s