MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Increase in pressure of the electrolyte above atmospheric pressure is beneficial. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
In order to obtain good results in ECM, _____ |
| A. | maximise polarization |
| B. | allow rise in temperature of the electrolyte |
| C. | removal of used electrolyte form the working gap |
| D. | decrease the concentration of the electrolyte |
| Answer» D. decrease the concentration of the electrolyte | |
| 3. |
Solubility of the reaction products increases with_____ |
| A. | increase in pressure of the electrolyte |
| B. | increase in temperature of the electrolyte |
| C. | increase in work-tool gap |
| D. | decrease in temperature of the electrolyte |
| Answer» C. increase in work-tool gap | |
| 4. |
Precipitate formation reduces the conductivity of the electrolyte solution. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which of the following manufacturing process is favourable for making tool for ECM? |
| A. | Casting |
| B. | Cold forging |
| C. | Laser cutting |
| D. | Shaping |
| Answer» C. Laser cutting | |
| 6. |
Conductivity of the electrolyte is unaffected by the loss of hydrogen during electrolysis. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Which of the following materials can be used for making cathode tool? |
| A. | Monel |
| B. | Cast iron |
| C. | Lead |
| D. | Carbides |
| Answer» B. Cast iron | |
| 8. |
In ECM, accuracy of the product is independent of the accuracy of the cathode tool. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
What is faraday s first law of electrolysis? |
| A. | W T, where W= mass of substance deposited and T= temperature of the electrolyte |
| B. | W K, where W= mass of substance deposited and K= ionisation constant of the electrolyte |
| C. | W Q, where W= mass of substance deposited and Q= charge passed through the electrolyte |
| D. | W 1/Q, where W= mass of substance deposited and Q= charge passed through the electrolyte |
| Answer» D. W 1/Q, where W= mass of substance deposited and Q= charge passed through the electrolyte | |
| 10. |
What does faraday s second law electrolysis state? |
| A. | W Q, where W= mass of substance deposited and Q= charge passed through the electrolyte |
| B. | w1/w2 = E1/E2, where w1 and w2 = mass of different substances deposited, and E1 and E2 = their equivalent masses |
| C. | Induced EMF = d / dt |
| D. | Force between two charge particles q1 and q2, F= kq1q2/r2 |
| Answer» C. Induced EMF = d / dt | |