MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Liquid expansion thermometers are filled with ________ |
| A. | Mercury |
| B. | Amalgam |
| C. | Gallium |
| D. | Cesium |
| Answer» B. Amalgam | |
| 2. |
Which of these materials is not used for resistance coils? |
| A. | Nickel |
| B. | Copper |
| C. | Titanium |
| D. | Platinum |
| Answer» D. Platinum | |
| 3. |
Resistance thermometer generally makes use of ________ for the measurement of resistance. |
| A. | Potentiometer |
| B. | Adruino |
| C. | Diode bridge |
| D. | Wheatstone bridge |
| Answer» E. | |
| 4. |
WHICH_OF_THESE_MATERIALS_IS_NOT_USED_FOR_RESISTANCE_COILS??$ |
| A. | Nickel |
| B. | Copper |
| C. | Titanium |
| D. | Platinum |
| Answer» D. Platinum | |
| 5. |
Liquid_expansion_thermometers_are_filled_with_________$ |
| A. | Mercury |
| B. | Amalgam |
| C. | Gallium |
| D. | Cesium |
| Answer» B. Amalgam | |
| 6. |
Resistance thermometer generally makes use of ________ for measurement of resistance? |
| A. | Potentiometer |
| B. | Adruino |
| C. | Diode bridge |
| D. | Wheatstone bridge |
| Answer» E. | |
| 7. |
_______ is commonly used in liquid-expansion thermometers. |
| A. | Bourdon tube |
| B. | Spinning rotor gauge |
| C. | McLeod gauge |
| D. | Manometer |
| Answer» B. Spinning rotor gauge | |
| 8. |
Why is invar used in bimetallic strips? |
| A. | Low density |
| B. | Low coefficient of expansion |
| C. | High-temperature resistance |
| D. | High abrasion resistance |
| Answer» C. High-temperature resistance | |
| 9. |
Bimetallic strips contain _______ as a metal. |
| A. | Muntz metal |
| B. | Yellow brass |
| C. | Bronze |
| D. | Aluminum |
| Answer» C. Bronze | |
| 10. |
Bimetallic strips are employed in ________ thermometers. |
| A. | Vapor-pressure |
| B. | Liquid-expansion |
| C. | Metal-expansion |
| D. | Resistance |
| Answer» D. Resistance | |
| 11. |
What temperature is the dark orange color associated with? |
| A. | 1475 F |
| B. | 1650 F |
| C. | 1750 F |
| D. | 1800 F |
| Answer» C. 1750 F | |
| 12. |
What temperature does the dark red color generally deal with? |
| A. | 950 F |
| B. | 1150 F |
| C. | 1175 F |
| D. | 1300 F |
| Answer» C. 1175 F | |
| 13. |
Measurement of elevated temperatures is defined as ___________ |
| A. | Thermometry |
| B. | Pyrometry |
| C. | Metallography |
| D. | Radiography |
| Answer» C. Metallography | |