MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What are the values of current densities used in ECDB process? |
| A. | 1 - 5 A/cm2 |
| B. | 5 - 10 A/cm2 |
| C. | 10 - 15 A/cm2 |
| D. | 15 - 20 A/cm2 |
| Answer» C. 10 - 15 A/cm2 | |
| 2. |
What are the values, of inter electrode gaps so that machining occurs easily? |
| A. | 0.01 to 0.1 mm |
| B. | 0.1 to 0.3 mm |
| C. | 0.3 to 0.5 mm |
| D. | 0.5 to 0.7 mm |
| Answer» D. 0.5 to 0.7 mm | |
| 3. |
What is the value of pressure of electrolyte used in ECDB process? |
| A. | 0.1 to 0.2 MPa |
| B. | 0.3 to 0.5 MPa |
| C. | 0.7 to 0.9 MPa |
| D. | 1.1 to 1.5 MPa |
| Answer» C. 0.7 to 0.9 MPa | |
| 4. |
Which of the following electrolyte can be used for deburring process in ECDB? |
| A. | NaNO2 |
| B. | NaNO3 |
| C. | NaCl |
| D. | All of the mentioned |
| Answer» E. | |
| 5. |
Electrochemical deburring ensures which of the following factors after removal of burrs? |
| A. | Required accuracy |
| B. | Proper radius |
| C. | Clean edge |
| D. | All of the mentioned |
| Answer» E. | |
| 6. |
What is the value of surface roughness obtained in Electrochemical deburring process? |
| A. | 0.1 to 1 µm |
| B. | 1 to 2 µm |
| C. | 2 to 4 µm |
| D. | 5 to 8 µm |
| Answer» D. 5 to 8 µm | |