Mechanical Engineering Mcqs

Higher pairs are those which have_________________?
  • (A)  point or line contact between the two elements when in motion
  • (B)  surface contact between the two ele-ments when in motion
  • (C)  elements of pairs not held together mechanically
  • (D)  two elements that permit relative motion
  • (E)  none of the above
“Open pairs are those which have__________________?
  • (A)  point or line contact between the two elements when in motion
  • (B)  surface contact between the two ele-ments when in motion
  • (C)  elements of pairs not held together mechanically
  • (D)  two elements that permit relative motion
  • (E)  none of the above