Q.1
The test started from an initial point is stopped after ______ for intermediate deflection measurement.
  • a) 3 m
  • b) 2.7 m
  • c) 8.7 m
  • d) 9 m
Q.2
BBD studies were conducted on a pavement at three points and the following data were recorded:
  • a) 0.28 mm, 0.63 mm and 1.96 mm
  • b) 0.82 mm, 0.36 mm and 1.69 mm
  • c) 1.82 mm, 1.36 mm and 0.69 mm
  • d) 1.28 mm, 1.63 mm and 0.96 mm
Q.3
______ deflection is obtained as the sum of mean rebound deflection and standard deviation.
  • a) Specific
  • b) Characteristic
  • c) Mechanistic
  • d) Definite
Q.4
Find the standard deviation for a highway with heavy traffic if the rebound deflection values obtained atpoints are 1.1.1.1.1.1.1.1.1.and 1.38.
  • a) 0.01
  • b) 0.11
  • c) 1.11
  • d) 1.01
Q.5
What is the standard temperature taken for the rebound deflection calculation?
  • a) 27°C
  • b) 30°C
  • c) 35°C
  • d) 25°C
Q.6
It is not necessary to apply a correction for temperature if the testing temperature is lower than 35°C.
  • a) True
  • b) False
Q.7
BBD studies were carried out on a highway pavement at a temperature of 40°C. The rebound deflection was found to be 1.mm. what would be the corrected rebound deflection?
  • a) 1.33 mm
  • b) 1.35 mm
  • c) 1.40 mm
  • d) 1.36 mm
Q.8
The testing is to be carried out during the ______ season.
  • a) Monsoon
  • b) Winter
  • c) Summer
  • d) Autumn
Q.9
What would be the corrected rebound deflection if the rebound deflection obtained from BBD studies is 1.mm? The test was conducted at 35°C on sandy soil withmoisture content. The annual rainfall of the area is obtained asmm.
  • a) 1.50 mm
  • b) 1.56 mm
  • c) 1.48 mm
  • d) 1.46 mm
Q.10
What would be the corrected rebound deflection if the rebound deflection obtained from BBD studies is 1.mm? The test was conducted at 30°C on a clayey soil having a plasticity ofand a moisture content of 4.5%. The annual rainfall of the area is obtained asmm.
  • a) 2.57 mm
  • b) 1.57 mm
  • c) 2.75 mm
  • d) 1.75 mm
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