Question:

In mixing and agitation of fluids:
A. Paddle and anchor mixers are usually operated at low speed
B. Propeller mixers are primarily used to blend high viscosity liquids.
C. Turbine mixtures are usually operated at high speed
D. Propeller mixers are primarily used to blend low viscosity liquids.
Choose the most appropriate answer from the options given below:

Show Hint

Paddle/anchor: low speed, high viscosity.
Propeller: low viscosity.
Turbine: high speed.
  • (A), (B), (C) only
  • (B), (C) only
  • (C), (D) only
  • (A), (C), (D) only
Show Solution
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The Correct Option is D

Solution and Explanation

Step 1: Understanding the Concept:
Different mixers are used for different applications.
The type of mixer depends on the fluid viscosity.

Step 2: Key Formula or Approach:

No specific formula.
Need to know the applications of mixers.

Step 3: Detailed Explanation:

A. Paddle and anchor mixers operate at low speed - correct.
B. Propeller mixers are not for high viscosity - incorrect.
C. Turbine mixers operate at high speed - correct.
D. Propeller mixers blend low viscosity liquids - correct.
Thus, A, C, and D are correct.

Step 4: Final Answer:

The correct statements are (A), (C), and (D).
Hence, the correct option is (D).
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