| 1 |
The freezing point of Mercury is: |
- A. 49 <sup>o</sup>C
- B. -49<sup>o</sup>C
- C. 39<sup>o</sup>C
- D. -39<sup>o</sup>C
|
| 2 |
Bimetal strip is made up of two different metal: |
- A. Copper & iron
- B. Brass & Iron
- C. Brass & Nickel
- D. Copper & Nickel
|
| 3 |
The changing of a liquid into vapours from the surface of the liquid without heating: |
- A. Cooling
- B. Vaporization
- C. Evaporation
- D. Sublimation
|
| 4 |
The Celsius lower reference point is 0<sup>o</sup>C while upper reference point is: |
- A. 212 <sup>o</sup>C
- B. 180<sup>o</sup>C
- C. 100<sup>o</sup>C
- D. 110<sup>o</sup>C
|
| 5 |
A simple way to know how much a body is hot or cold is |
- A. Our sense of touch
- B. Termometer
- C. Thermostat
- D. Setback state
|
| 6 |
___________ specific heat of water is benefits in sustaining life. |
- A. High
- B. Low
- C. Medium
- D. None
|
| 7 |
Steam is used to run machine because of high amount of ___________ heat. |
- A. Latent
- B. Great
- C. Large
- D. Nil
|
| 8 |
On Celsius scale, temperature 300 K will be: |
- A. 26<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C</span>
- B. 25<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C</span>
- C. 24<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span>C
- D. 27<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°C</span>
|
| 9 |
Evaporation causes: |
- A. Melting
- B. Boiling
- C. Freezing
- D. Cooling
|
| 10 |
Water on cooling below 4 <sup>o</sup>C begins to: |
- A. Expand
- B. Contract
- C. Boils
- D. None of these
|
