MCQOPTIONS
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MCQOPTIONS
This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following types of clamping is mostly performed for the joining of shells? |
| A. | Mechanical |
| B. | Electrical |
| C. | Pneumatic |
| D. | Hydraulic |
| Answer» B. Electrical | |
| 2. |
There is no need for any external support for the shells at the time of pouring of molten metal. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Over-curing or under-curing of the shell mould, leads to the generation of sophisticated problems in the shell mould. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
At the last of shell moulding procedure, the Dump box is rotated backward for adhering of as much as the possible amount of sand to the metallic pattern. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
AT_THE_LAST_OF_SHELL_MOULDING_PROCEDURE,_THE_DUMP_BOX_IS_ROTATED_BACKWARD_FOR_ADHERING_OF_AS_MUCH_AS_POSSIBLE_AMOUNT_OF_SAND_TO_THE_METALLIC_PATTERN.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
There is no need of any external support for the shells at the time of pouring of molten metal.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Over-curing_or_under-curing_of_the_shell_mould,_leads_to_the_generation_of_sophisticated_problems_in_the_shell_mould.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which_of_the_following_types_of_clamping_is_mostly_performed_for_the_joining_of_shells? |
| A. | Mechanical |
| B. | Electrical |
| C. | Pneumatic |
| D. | Hydraulic |
| Answer» B. Electrical | |
| 9. |
Which of the following devices is used for the formation of shell mould in the shell moulding procedure? |
| A. | Air roller |
| B. | Re-circulating ball roller |
| C. | Chucker |
| D. | Dump box |
| Answer» E. | |
| 10. |
Which of the following metals is used for the preparation of patterns in shell moulding? |
| A. | Aluminium |
| B. | Copper |
| C. | Grey cast iron |
| D. | Brass |
| Answer» D. Brass | |
| 11. |
Which of the following devices is used for the mixing or complete formation of the shell sand mixture? |
| A. | Chucker |
| B. | Mueller |
| C. | Semi circular roller |
| D. | Semi cylindrical roller |
| Answer» C. Semi circular roller | |
| 12. |
Which of the following lubricants is added to the resin sand mixture for better flowability of the sand? |
| A. | Lead stearate |
| B. | Magnesium stearate |
| C. | Sulphur stearate |
| D. | Zinc stearate |
| Answer» E. | |
| 13. |
Which of the following compositions of the shell sand is used for avoiding of thermal crack during pouring? |
| A. | Silica sand |
| B. | Zircon sand |
| C. | Resin |
| D. | Additives |
| Answer» E. | |
| 14. |
In shell moulding sand preparation, the resin is combined with a catalyst (hexa) to develop the_____ |
| A. | thermoplastic characteristics |
| B. | toughness of the resin |
| C. | thermosetting characteristics |
| D. | viscosity of the resin |
| Answer» D. viscosity of the resin | |
| 15. |
Grain size of the sand particles has no affects on the surface finish of the casting. |
| A. | True |
| B. | False |
| Answer» C. | |
| 16. |
Which of the following synthetic resins are used for mixing with sand in shell moulding? |
| A. | Thermosetting resins |
| B. | Epoxy resins |
| C. | Fiber glass resins |
| D. | Kevlar |
| Answer» B. Epoxy resins | |