# TRANSPORTATION ENGINEERING MCQs – 6 | GATE EXAM | CIVIL ENGINEERING

#### ByCivilelite

Sep 5, 2022

 26. Bituminous concrete is a mix comprising of ___. A.  fine aggregate and bitumen B.  coarse aggregate, fine aggregate, filler and bitumen C.  coarse aggregate, filler and bitumen D.  fine aggregate, filler and bitumen

 Answer: B        coarse aggregate, fine aggregate, filler and bitumen

 27. If aggregate size of 50-40 mm is to be tested for finding out the portion of elongated aggregates using length gauge, the slot length of the gauge should be ___ mm. A.  45 B.  54 C.  81 D.  90

 Answer: C         81 Explanation: Slot length for elongated aggregate = 1.8 x mean dimension = 1.8((50 + 40)/2) = 81 For flakiness index, the slot size mm = 0.6((50 + 40)/2) = 27 mm

 28. The consistency and flow resistance of bitumen can be determined from ____. A.  Ductility test B.  Viscosity test C.  Softening point test D.  Penetration test

 Answer: B     Viscosity test

29. Match List-I (Test) with List-II (Property) and select the correct answers using the codes given below the lists:

 List – I List – II A. Crushing test 1. Hardness B. Los Angeles abrasion test 2. Weathering C. Soundness test 3. Shape D. Angularity test 4. Strength

A.  A-2, B-1, C-4, D-3

B.  A-4, B-1, C-2, D-3

C.  A-3, B-2, C-1, D-4

D.  A-4, B-2, C-3, D-1

 Answer: B     A-4, B-1, C-2, D-3

 30. Bituminous materials are commonly use in highway construction because of their good ____. A.  shear strength and tensile properties B.  tensile and compression properties C.  binding and water proofing properties D.  bond and tensile properties

 Answer: C       binding and water proofing properties