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1) The boiling point of water is a. 323 °C b. 100 °C c. 273 °C d. 0 °C
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2) The normal human body's temperature is 98.6 ° F. In the Celsius scale, it is a. 30 °C b. 37 °C c. 42 °C d. 32 °C
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3) The evaporation from the surface of any liquid depends on a. temperature b. wind c. nature of liquid d. all of above
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4) The most suitable thermometric material is a. francium b. francium c. water d. water
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5) The temperature at which solid starts to melt is called a. freezing point b. boiling point c. fusion point d. melting point
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6) Greater number of molecules has the chance to escape from the surface if its area is a. smaller b. larger c. deep d. shallow
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7) In SI units, the unit of temperature is a. kelvin(K) b. omega(ω) c. pi(π) d. newton(N)
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8) On the Kelvin scale, the upper fixed point is marked as a. 180 K b. 273 K c. 373 K d. 0 K
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9) The substance which has the greatest average kinetic energy is a. steel b. copper c. water d. lead
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10) In central heating systems, to carry thermal energy through pipes from the boiler to radiators we use a. hot water b. cold water c. mercury d. carbonates
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11) 50 °C on Fahrenheit scale is a. 123 °F b. 120 °F c. 135 °F d. 122 °F
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12) A brass rod is 1m long at 0 °C, if the coefficient of expansion is 1.9 * 10-5 K-1 then length at 30 °C is a. 1.00057 m b. 1.0057 m c. 1.057 m d. 15.7 m
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13) Volume thermal expansion is also termed as a. area thermal expansion b. quadratic thermal expansion c. circle thermal expansion d. cubical thermal expansion
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14) On Fahrenheit scale, the lower fixed point is marked as a. 100 °F b. 0 °F c. 32 °F d. 212 °F
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15) If a bross rod is 1m long at 0 °C and α is 1.9×10-5 K-1, then its length at 30 °C is a. 1.057 m b. 1.00057 m c. 1.57 m d. 1.0057 m
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16) Latent heat of fusion of ice is a. 4.36 × 10⁵ Jkg-¹ b. 2.36 × 10⁵ Jkg-¹ c. 1.36 × 10⁵ Jkg-¹ d. 3.36 × 10⁵ Jkg-¹
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17) At high temperature, the evaporation is a. fast b. low c. decreasing d. zero
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18) Normal human body's temperature is a. 30 °C b. 37 °C c. 42 °C d. 32 °C
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19) Ice changes into water at a. 100 °C b. 0 °C c. 132 °C d. 32 °C
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20) The temperature at which a substance changes from liquid to solid is called its a. constant point b. boiling point c. freezing point d. melting point
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