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
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