MCQOPTIONS
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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. |
Hard steels and non-ferrous metal do not exhibit a definite yield point when pulled in the testing machine and for such cases a better measure of their elastic properties is defined by |
| A. | Yield point stress |
| B. | Yield point strain |
| C. | Proof stress |
| D. | Ultimate stress |
| E. | None of the above |
| Answer» D. Ultimate stress | |
| 2. |
Which one is different from the other in press work? |
| A. | Perforating |
| B. | Slitting |
| C. | Blanking |
| D. | Seaming |
| E. | Punching |
| Answer» E. Punching | |
| 3. |
The ability of material to absorb a large amount of energy is |
| A. | Malleability |
| B. | Resilience |
| C. | Toughness |
| D. | Ductility |
| E. | Hardness |
| Answer» D. Ductility | |
| 4. |
The atomic number of a certain element is 83. An atom of this element must contain |
| A. | 42 protons and 41 electrons |
| B. | 83 neutrous |
| C. | 1 neutron, 41 electrons and 41 protons |
| D. | 83 electrons |
| E. | None of the above is valid |
| Answer» E. None of the above is valid | |
| 5. |
Application of tin is in |
| A. | bulb filaments |
| B. | low current fuses |
| C. | transducers |
| D. | hair springs |
| E. | None of the above |
| Answer» C. transducers | |
| 6. |
In fibre glass reinforced plastics, the glass fibres are primarily used to improve |
| A. | Mechanical properties of plastics |
| B. | Electrical properties of plastics |
| C. | Thermal properties of plastics |
| D. | Surface properties of plastics |
| E. | None of the above |
| Answer» B. Electrical properties of plastics | |
| 7. |
Notches in a section produce |
| A. | Compressive stress |
| B. | Shear stresses |
| C. | Biaxial tensile stresses |
| D. | Tri-axial tensile stresses |
| E. | None of the above |
| Answer» E. None of the above | |
| 8. |
Lead is used for joining pipes made of |
| A. | Cast iron |
| B. | Cold iron steel |
| C. | Concrete |
| D. | Asbestos cement |
| E. | Vitrified clay |
| Answer» B. Cold iron steel | |
| 9. |
The electrical resistance of a semi-conductor |
| A. | Increases with temperature |
| B. | Decreases with temperature |
| C. | Does not change with temperature |
| D. | None of the above |
| Answer» C. Does not change with temperature | |
| 10. |
In an one component system containing two phases, at equilibrium the number of degrees of freedom would be |
| A. | Infinite |
| B. | 2 |
| C. | 3 |
| D. | 1 |
| E. | 4 |
| Answer» E. 4 | |
| 11. |
Burger's vector is |
| A. | estimation of force9 of substit9utional atoms |
| B. | a defect in crystall structure |
| C. | a property of dislocations |
| D. | None of the above |
| E. | None of the above |
| Answer» D. None of the above | |
| 12. |
The furnace used for castings of cast iron in a foundry shop is known as |
| A. | Electric induction furnace |
| B. | Muffle furnace |
| C. | Blast furnace |
| D. | Cupola |
| E. | Reverberatory furnace |
| Answer» E. Reverberatory furnace | |
| 13. |
Which of the following has the highest malleability? |
| A. | Brass |
| B. | Cast iron |
| C. | Copper |
| D. | Aluminium |
| E. | Lead |
| Answer» F. | |
| 14. |
Coolant is used on a lathe |
| A. | To cool the work piece |
| B. | To cool the tool |
| C. | To remove the chips |
| D. | All the above |
| E. | None of the above |
| Answer» E. None of the above | |
| 15. |
Standards used in USSR are known as |
| A. | CSN |
| B. | AENOR |
| C. | GOST |
| D. | UNI |
| E. | JIS |
| Answer» D. UNI | |
| 16. |
If the major quantium number of an atom is three, it possesses |
| A. | Only s and p electrons |
| B. | Only s electrons |
| C. | Only s, p and d electrons |
| D. | Only p electrons |
| E. | None of the above is true |
| Answer» D. Only p electrons | |
| 17. |
For better fuuidity of the molten metal, the following is added in blast furnace |
| A. | Line |
| B. | Carbon |
| C. | Sulphur |
| D. | Manganese |
| E. | Oil |
| Answer» E. Oil | |