Q.1
The finite force required to initiate the flow of a fluid is known as ____
  • a) Plastic Viscosity
  • b) Viscosity
  • c) Yield Point
  • d) Stress Point
Q.2
What is Contact time?
  • a) It is the time takes for the cement column to move past any point in the annulus in laminar flow condition
  • b) It is the time takes for the cement column to move past any point in the annulus in turbulent flow condition
  • c) It is the time takes for the cement column to move past any point in the annulus in laminar or turbulent flow condition
  • d) It is the contact time of the cement and the annulus
Q.3
What is Plastic Viscosity?
  • a) The constant viscosity which arises after the yield point with increasing shear rate
  • b) The variable viscosity which arises after the yield point with increasing shear rate
  • c) The constant viscosity which arises before the yield point with decreasing the shear rate
  • d) The variable viscosity which arises after the yield point with decreasing the shear rate
Q.4
A rotational viscometer containing a non-Newtonian fluid gives a dial reading ofat a rotor speed ofrpm and a dial reading ofat a rotor speed ofrpm. Which of the following is the correct rheological model of this fluid considering the Bingham model?
  • a) μp =8 cp, τy=8 lbf/100 ft2
  • b) μp =12 cp, τy=8 lbf/100 ft2
  • c) μp =10 cp, τy=4 lbf/100 ft2
  • d) μp =8 cp, τy=16 lbf/100 ft2
Q.5
Class B cement is not resistant to sulfate attack.
  • a) True
  • b) False
Q.6
API Class C cement is known as High Early cement.
  • a) True
  • b) False
0 h : 0 m : 1 s