Explore topic-wise MCQs in Mechanical Operations.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Operations knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the range of time required for standard mixing applications?

A. Between 1 and 3 minutes
B. Between 5 and 10 minutes
C. Between 3 and 5 minutes
D. Between 10 and 15 minutes
Answer» D. Between 10 and 15 minutes
2.

Anchor agitator operates at low rpm.

A. True
B. False
Answer» B. False
3.

Which of the following is a feature of anchor agitator?

A. Most economical laminar flow impeller available
B. Vertical flow well-suited for low liquid level geometries
C. Solve mass transfer problems with optional wall scrapers
D. High liquid level geometries
Answer» E.
4.

Which of the following agitator is commonly used in reactors?

A. Anchor agitator
B. Paddle agitator
C. Radial propeller agitator
D. Turbine agitator
Answer» B. Paddle agitator
5.

Paddle agitators are used to maintain which of the following flow pattern?

A. Laminar
B. Turbulent
C. Intermediate
D. Non-uniform
Answer» B. Turbulent
6.

Which of the following is/are examples of paddle agitators?

A. Grout agitator
B. Turbine agitator
C. Hydrostatic agitators
D. Propeller agitator
Answer» B. Turbine agitator
7.

Which of the following is not an application of paddle agitator?

A. Mixing ingredients in cooking
B. Mixing ingredients for construction products, such as pastes, slurries or paints
C. Dispersing solids within liquids
D. Mixing low viscosity liquids
Answer» E.
8.

Anchor agitator is recommended for higher-viscosity operations.

A. False
B. True
Answer» B. True
9.

In some designs the blades conform to the shape of a dished or a hemi-spherical vessel.

A. True
B. False
Answer» B. False
10.

Which of the following type of paddle agitators are most commonly used?

A. Two Bladed
B. Three Bladed
C. Four Bladed
D. Two bladed and four bladed
Answer» E.