Civil Engineering Mcqs

Which one of the following statements is correct ?
  • (A)  Snow albedo falls at all wave length with the increase of grain size
  • (B)  The effect of grain size on reflection is maximum in the near-IR region
  • (C)  The effect of grain size on reflection is low in the visible region of the spectrum
  • (D)  All of these
Which one of the following statement is correct ?
  • (A)  Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation
  • (B)  The rate of transfer of radiant energy is called flux and is expressed in watts
  • (C)  The radiant energy which falls upon a surface is termed as irradiance
  • (D)  All of these
The pressure exerted by_____________?
  • (A)  The sewage when running full from inside, is called internal pressure
  • (B)  The internal pressure if any, causes tensile stress in the pipe material
  • (C)  Pressure sewers are designed to be safe in tension
  • (D)  All the above