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This section includes 12 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. |
On what speed does the electromagnetic pulley operates? |
A. | 100 ft. /min |
B. | 680 ft. /min |
C. | 500 ft. /min |
D. | 700 ft. /min |
Answer» D. 700 ft. /min | |
2. |
The higher the magnetic field, the higher the ___ |
A. | Separation |
B. | Unwanted particles |
C. | Flow |
D. | Current |
Answer» B. Unwanted particles | |
3. |
Solids which are attracted by a magnet are called ____ |
A. | Full magnetic |
B. | Short magnetic |
C. | Paramagnetic |
D. | Diamagnetic |
Answer» D. Diamagnetic | |
4. |
THE_HIGHER_THE_MAGNETIC_FIELD,_THE_HIGHER_THE____?$ |
A. | Separation |
B. | Unwanted particles |
C. | Flow |
D. | Current |
Answer» B. Unwanted particles | |
5. |
On_what_speed_does_the_electromagnetic_pulley_operates?$ |
A. | 100 ft. /min |
B. | 680 ft. /min |
C. | 500 ft. /min |
D. | 700 ft. /min |
Answer» D. 700 ft. /min | |
6. |
Solids which are repelled by a magnet are called ____ |
A. | HI magnetic |
B. | Short magnetic |
C. | Paramagnetic |
D. | Diamagnetic |
Answer» E. | |
7. |
How are particles classified magnetically? |
A. | Dia and Para magnetic |
B. | Bi and Pseudo magnetic |
C. | Half and full magnetic |
D. | Kinch and lynch magnetic |
Answer» B. Bi and Pseudo magnetic | |
8. |
Wilfley rifled tables are used for _____ |
A. | 5 to 100 mesh size |
B. | 1 to 5 mesh size |
C. | 6 to 150 mesh size |
D. | 20 to 200 mesh size |
Answer» D. 20 to 200 mesh size | |
9. |
Separation by flowing pulp is achieved in _____ process. |
A. | Jigging |
B. | Tabling |
C. | Drilling |
D. | Raking |
Answer» C. Drilling | |
10. |
What are the dimensions of a jig? |
A. | 5 by 16 ft |
B. | 10 by 18 ft |
C. | 20 by 30 ft |
D. | 5 by 5 ft |
Answer» B. 10 by 18 ft | |
11. |
Jigging is best suited for ___ |
A. | Drag materials |
B. | Fine materials |
C. | Coarse materials |
D. | Higher materials |
Answer» D. Higher materials | |
12. |
Jigging involves ______ |
A. | Pulsation |
B. | Vibration |
C. | Shaking |
D. | Digging |
Answer» B. Vibration | |