Question:
The falling sphere viscometer is also known as:
The falling sphere viscometer is also known as:
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Falling Sphere = Hoeppler. It is used for Newtonian fluids where the ball rolls down an inclined glass tube.
Updated On: May 28, 2026
- Cup and bob viscometer
- Hoeppler viscometer
- Brookfield viscometer
- Anton Parr Viscometer
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The Correct Option is B
Solution and Explanation
Step 1: Concept
Viscometers are instruments used to measure the viscosity of a fluid. Different types operate on various physical principles like rotation or falling objects.
Step 2: Meaning
A falling sphere viscometer measures viscosity by timing how long it takes a ball of known density and radius to fall through a tube of liquid.
Step 3: Analysis
The Hoeppler viscometer is a commercial type of falling sphere viscometer. Cup and bob and Brookfield are rotational viscometers.
Step 4: Conclusion
Therefore, the falling sphere viscometer is specifically identified as the Hoeppler viscometer.
Final Answer: (B)
Viscometers are instruments used to measure the viscosity of a fluid. Different types operate on various physical principles like rotation or falling objects.
Step 2: Meaning
A falling sphere viscometer measures viscosity by timing how long it takes a ball of known density and radius to fall through a tube of liquid.
Step 3: Analysis
The Hoeppler viscometer is a commercial type of falling sphere viscometer. Cup and bob and Brookfield are rotational viscometers.
Step 4: Conclusion
Therefore, the falling sphere viscometer is specifically identified as the Hoeppler viscometer.
Final Answer: (B)
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