What is Plastic Viscosity?

The variable viscosity which arises after the yield point with increasing shear rate

The constant viscosity which arises after the yield point with increasing shear rate

The variable viscosity which arises after the yield point with increasing shear rate

The constant viscosity which arises before the yield point with decreasing the shear rate

The variable viscosity which arises after the yield point with decreasing the shear rate

What is Contact time?

It is the time takes for the cement column to move past any point in the annulus in laminar or turbulent flow condition

It is the time takes for the cement column to move past any point in the annulus in laminar flow condition

It is the time takes for the cement column to move past any point in the annulus in turbulent flow condition

It is the time takes for the cement column to move past any point in the annulus in laminar or turbulent flow condition

It is the contact time of the cement and the annulus

Explore topic-wise MCQs in Petroleum Production Operations.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Petroleum Production Operations knowledge and support exam preparation. Choose a topic below to get started.

1.	API Class C cement is known as High Early cement.
A.	True
B.	False
Answer» B. False

Discussion

2.	Class B cement is not resistant to sulfate attack.
A.	True
B.	False
Answer» C.

Discussion

3.	A rotational viscometer containing a non-Newtonian fluid gives a dial reading of 14 at a rotor speed of 300 rpm and a dial reading of 24 at a rotor speed of 600 rpm. Which of the following is the correct rheological model of this fluid considering the Bingham model?
A.	<sub>p</sub> =8 cp, <sub>y</sub>=8 lbf/100 ft<sup>2</sup>
B.	<sub>p</sub> =12 cp, <sub>y</sub>=8 lbf/100 ft<sup>2</sup>
C.	<sub>p</sub> =10 cp, <sub>y</sub>=4 lbf/100 ft<sup>2</sup>
D.	<sub>p</sub> =8 cp, <sub>y</sub>=16 lbf/100 ft<sup>2</sup>
Answer» D. <sub>p</sub> =8 cp, <sub>y</sub>=16 lbf/100 ft<sup>2</sup>

Discussion

4.	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
Answer» B. The variable viscosity which arises after the yield point with increasing shear rate

Discussion

5.	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
Answer» C. It is the time takes for the cement column to move past any point in the annulus in laminar or turbulent flow condition

Discussion

6.	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
Answer» D. Stress Point

Discussion

Explore topic-wise MCQs in Petroleum Production Operations.

API Class C cement is known as High Early cement.

Class B cement is not resistant to sulfate attack.

A rotational viscometer containing a non-Newtonian fluid gives a dial reading of 14 at a rotor speed of 300 rpm and a dial reading of 24 at a rotor speed of 600 rpm. Which of the following is the correct rheological model of this fluid considering the Bingham model?

What is Plastic Viscosity?

What is Contact time?

The finite force required to initiate the flow of a fluid is known as ____