Transportation Engineering objective questions and answers

46.  The dowel bar used in expansion joint is made of

   A. Brass

   B. Mild steel

   C. White metal

   D. Semi-killed steel

47.  The loosening of the top surface of a round by pick axis is called

   A. Picking

   B. Roughing

   C. Screening

   D. Peeling

48.  The measure of void in aggregate is done by

   A. Shape number

   B. Void number

   C. Angularity number

   D. Atomic backing factor

49.  A liquid product in which a substantial amount of bitumen is suspended, in a finely divided condition, is called

   A. Bitumen solution

   B. Bitumen paint

   C. Bitumen emulsion

   D. All of the above

50.  An Enoscope is used to determine

   A. The space - mean speed

   B. The time - mean speed

   C. The spot speed

   D. The traffic density

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