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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 impellor diameter? |
A. | 30 to 60% of diameter |
B. | 50 to 80% of diameter |
C. | 100% of diameter |
D. | 10 to 30% of diameter |
Answer» B. 50 to 80% of diameter | |
2. |
_____ is used for rough and rubber type materials. |
A. | Exhausting |
B. | Multiwipping |
C. | Seeking |
D. | Multiscraping |
Answer» C. Seeking | |
3. |
Which of the following is best for kneading? |
A. | Sigma |
B. | Propeller |
C. | Impellor |
D. | Agitator |
Answer» B. Propeller | |
4. |
______ are used to avoid buildup of sticky material. |
A. | Overlapping blades |
B. | Sigma blades |
C. | Impellor |
D. | Propeller |
Answer» B. Sigma blades | |
5. |
_____ mixing is achieved by creating and recombining fresh surfaces. |
A. | Efficient |
B. | Worst |
C. | Economic |
D. | Normal |
Answer» B. Worst | |
6. |
To achieve successful mixing, the velocities imparted to the liquid are maximized by _______ |
A. | Shafts |
B. | Impellors |
C. | Baffles |
D. | Turbines |
Answer» D. Turbines | |
7. |
The desired ratio for kneaders is ________ |
A. | 1.5:1 |
B. | 2:1 |
C. | 3:1 |
D. | 4:1 |
Answer» B. 2:1 | |
8. |
A masticator is also called as _______ |
A. | Intensive mixer |
B. | Preventive mixer |
C. | Gauge mixer |
D. | Prang mixer |
Answer» B. Preventive mixer | |
9. |
_______ is a method of mixing used with deformable plastic. |
A. | Stumping |
B. | Threading |
C. | Kneading |
D. | Carving |
Answer» D. Carving | |
10. |
From 300 and 10,000, the pattern is in range of _______ |
A. | Transition |
B. | Laminar |
C. | Transient |
D. | Eddy |
Answer» B. Laminar | |