MCQOPTIONS
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MCQOPTIONS
This section includes 36 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Eddy current testing method can also be used for the evaluation of heat damage to the metal alloys. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
There are no restrictions in the eddy current testing method; it can detect defects up to high depth in the castings. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Which of the following terms changes in the eddy current testing method for the detection of defects in the castings? |
| A. | Resistance |
| B. | Impedance |
| C. | Conductivity |
| D. | Capacitance |
| Answer» C. Conductivity | |
| 4. |
In ultrasonic inspection, a signal processing technique is used for the accurate indication of porosity in the castings. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
In non-destructive testing, sound test used is a very fine and accurate method of detecting flaws in the castings. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which of the following non destructive testing is used to detect change in composition of any material? |
| A. | Liquid penetration test |
| B. | Ultrasonic test |
| C. | Eddy current test |
| D. | Radiography |
| Answer» E. | |
| 7. |
Which of the following penetrating liquid is used in a liquid penetration test? |
| A. | Water |
| B. | Chlorine based solvent |
| C. | Petroleum based carrier fluid |
| D. | Fluorine based solvent |
| Answer» D. Fluorine based solvent | |
| 8. |
Which of the following property will be more in coarse grain structure? |
| A. | Ductility |
| B. | Corrosion resistance |
| C. | Hardness |
| D. | Toughness |
| Answer» B. Corrosion resistance | |
| 9. |
Equipment used for inspection of inside portion of hollow chamber or narrow tube is known as ___________ |
| A. | Endoscope |
| B. | Telescope |
| C. | Borescope |
| D. | Flexiscope |
| Answer» D. Flexiscope | |
| 10. |
What is the average grain diameter (in mm) for the grain size ASTM grain size 12? |
| A. | 0.0066 |
| B. | .0078 |
| C. | .0021 |
| D. | .0056 |
| Answer» E. | |
| 11. |
Etching of specimen is done to achieve ___________ |
| A. | Visible grain boundary |
| B. | Invisible grain boundary |
| C. | Toughness |
| D. | Hardness |
| Answer» B. Invisible grain boundary | |
| 12. |
What is first step involved in the process of preparing test sample for microstructural examination? |
| A. | Rough polishing |
| B. | Fine grinding |
| C. | Fine polishing |
| D. | Etching |
| Answer» C. Fine polishing | |
| 13. |
WHICH_OF_THE_FOLLOWING_TERMS_CHANGES_IN_THE_EDDY_CURRENT_TESTING_METHOD_FOR_THE_DETECTION_OF_DEFECTS_IN_THE_CASTINGS??$ |
| A. | Resistance |
| B. | Impedance |
| C. | Conductivity |
| D. | Capacitance |
| Answer» C. Conductivity | |
| 14. |
WHAT_IS_THE_FIRST_STEP_INVOLVED_IN_THE_PROCESS_OF_PREPARATION_OF_TEST_SAMPLE_OF_MATERIAL??$ |
| A. | Rough polishing |
| B. | Fine grinding |
| C. | Fine polishing |
| D. | Etching |
| Answer» C. Fine polishing | |
| 15. |
WHICH_OF_THE_FOLLOWING_PENETRATING_LIQUID_IS_USED_IN_A_LIQUID_PENETRATION_TEST??$ |
| A. | Water |
| B. | Chlorine based solvent |
| C. | Petroleum based carrier fluid |
| D. | Fluorine based solvent |
| Answer» D. Fluorine based solvent | |
| 16. |
Eddy current testing method can also be used for the evaluation of heat damage to the metal alloys.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 17. |
There are no restrictions in the eddy current testing method; it can detect defects up to high depth in the castings.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 18. |
Which_of_the_following_compound_is_used_for_fine_polishing?$ |
| A. | Aluminum oxide |
| B. | Nitric oxide |
| C. | Silicon carbide |
| D. | Iron oxide |
| Answer» B. Nitric oxide | |
| 19. |
Which_of_the_following_non_destructive_testing_is_used_to_detect_change_in_composition_of_any_material?$ |
| A. | Liquid penetration test |
| B. | Ultrasonic test |
| C. | Eddy current test |
| D. | Radiography |
| Answer» E. | |
| 20. |
Acoustic emission testing method is basically employed for the detection of surface discontinuities on the castings. |
| A. | True |
| B. | False |
| Answer» C. | |
| 21. |
In ultrasonic inspection, a signal processing technique is used for the accurate indication of porosity in the castings? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 22. |
Which of the following methods of inspection uses high frequency of sound waves for the detection of flaws in the castings? |
| A. | Penetrant test |
| B. | Radiography |
| C. | Pressure test |
| D. | Ultrasonic inspection |
| Answer» E. | |
| 23. |
Which of the following property will be more in fine grained structure? |
| A. | Ductility |
| B. | Corrosion resistance |
| C. | Creep resistance |
| D. | Hardness |
| Answer» B. Corrosion resistance | |
| 24. |
In penetrant testing of NDT, a liquid is penetrated into the cracks of metal by the application of pressure. |
| A. | True |
| B. | False |
| Answer» C. | |
| 25. |
What is the value of average number of grains in per square inch for ASTM 11? |
| A. | 2048 |
| B. | 1024 |
| C. | 6 |
| D. | 5 |
| Answer» C. 6 | |
| 26. |
In radiography, the penetration of rays is much easier with the less density of metal or casting. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 27. |
Equipment used for inspection of inside portion of hollow chamber or narrow tube is known as |
| A. | Endoscope |
| B. | Telescope |
| C. | Borescope |
| D. | Flexiscope |
| Answer» D. Flexiscope | |
| 28. |
Which of the following types of rays is used in radiography for the inspection of castings? |
| A. | X- rays |
| B. | Infrared rays |
| C. | Ultraviolet rays |
| D. | Visible rays |
| Answer» B. Infrared rays | |
| 29. |
During radiography test, which region absorbs less radiation and transmits more? |
| A. | Low and high density regions absorb and transmit same amount of radiation |
| B. | High density region |
| C. | Low density region |
| D. | Low and high density regions adsorb |
| Answer» D. Low and high density regions adsorb | |
| 30. |
Find grain diameter in ‘mm’ for ASTM 12?$ |
| A. | .0066 |
| B. | .0078 |
| C. | .0021 |
| D. | .0056 |
| Answer» E. | |
| 31. |
Which of the following methods of NDT requires leak proofing of casting before inspection? |
| A. | Impact test |
| B. | Visual inspection |
| C. | Sound test |
| D. | Pressure test |
| Answer» E. | |
| 32. |
Etching of specimen is done to achieve |
| A. | Visible grain boundary |
| B. | Invisible grain boundary |
| C. | Toughness |
| D. | Hardness |
| Answer» B. Invisible grain boundary | |
| 33. |
Impact test for detection of defects in the casting is the most crude and unreliable method of non-destructive testing. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 34. |
What is nondestructive test? |
| A. | Nondestructive tests are applications for detecting flaws in materials without impairing their usefulness |
| B. | Nondestructive tests are applications for detecting flaws that impair the use of the materials such as pressure testing |
| C. | Nondestructive tests are applications for detecting flaws in materials with impairing their usefulness |
| D. | Nondestructive tests are applications for detecting flaws that do not impair the use of the materials such as pressure testing |
| Answer» B. Nondestructive tests are applications for detecting flaws that impair the use of the materials such as pressure testing | |
| 35. |
Which of the following compound is used for fine polishing? |
| A. | Aluminum oxide |
| B. | Nitric oxide |
| C. | Silicon carbide |
| D. | Iron oxide |
| Answer» B. Nitric oxide | |
| 36. |
What is the first step involved in the process of preparation of test sample of material? |
| A. | Rough polishing |
| B. | Fine grinding |
| C. | Fine polishing |
| D. | Etching |
| Answer» C. Fine polishing | |