Question

1. Ferrous metals include which of the following A Aluminum B. Copper C Gold D. Steel 2. The two categories of metals that are based onion (Fe) are A Aluminum Alloy & Castle B. Chromium & Nickel C. Manganese & Vanadium D. Cast Iron & Steel 3. Aluminum Alloy, Nickel Alloy, Zinc Alloy, and Titanium Alloy are cumples of A Nonferrous Metals B.Ceramics C Superllos D. Carmets 4. In the heating of most metal alloys melting begins at a certain temperature and concludes at a higher Semperature. In these cases, which of the following compete marks the beginning of melting! A Liquidus B. Maxis C Solides DSpartacus 5. Dimensions are the linear o r sof t specified on the part drawing A True False 6. When a tolerance is specified in both the positive and negative directions from the nominal dimensions, it is called which of the following A bifurcated tolerance B. limit tolerance C. bilateral tolerance D unilateral tolerance 7. Which one of the following manufacturing proces will result in the worst surface finish? A. Turning B. swing C polishing D. milling 8. Accuracy is the degree to which the measured values agrees with the true value of quantity of interest A True False 9. Surfaces are commercially and technologically important for.. A Aesthetic B. safety C. friction and wear D. all of the three 10. Surface texture includes geometrical features such as surface roughness, waviness, Naws, pattem and/or direction A True B. False 11. Heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree) is known as A specific heat B. thermal conductivity C. thermal expansion 12. Thermal diffusivity is defined as A. volumetric specific heat divided by density B. volumetric specific heat divided by thermal conductivity C. thermal conductivity divided by density D. thermal conductivity divided by volumetric specific heat density............with increasing 13. The general relationship between density and tempel temperature B. deces Cremains indifferent 14. Most metal alloys do not have a single melting point A True B. False 15. "Superheal" is a term given to the difference between the __and_temperatures A Pouring room B. Pouring liquides Cliquidus, room

Answer 1

1 steel

2 cast iron and steel

3 nonferrous metals

4 liquidus

5 false

6 bilateral tolerance

7 milling

8 true

9 all the above

10 true

11 specific heat

12 D

13 decreases

14 true

15 pouring liquidus