FeedBack Form

Your Name :
Your Email :
Your Location :
Your Message :
   
FeedBack

PG TRB Maths Online Test

TRB Model Questions
 
9. Forces whose lines of action are parallel and their direction are in the same sense, then the forces are
 
  • A. Parallel forces
  • B. Like parallel forces
  • C. Unlike parallel forces
  • D. None of these
Answer: B.
Like parallel forces
 
10. When the eccentricity of an ellipse becomes zero the ellipse becomes a
 
  • A. circle
  • B. point
  • C. straight line
  • D. pair of straight lines
Answer: A.
circle
 
 
11. If three forces acting as a particle can be represented in magnitude and direction by the sides of a triangle, taken in order then the forces keep the particle in equilibrium this is
 
  • A. Lami’s theorem
  • B. Triangle law of forces
  • C. Converse of triangle law of forces
  • D. None of the above
Answer: B.
Triangle law of forces
 
12. Which of the following is not correct?
 
  • A. Every semi group is a group
  • B. Every group is a semi group
  • C. Every group is a semi group
  • D. Every group is a monoid
Answer: A.
Every semi group is a group