1) Which of the following is not considered a temperature scale? a) °C b) kelvin (K) c) °F d) joule (J) 2) Choose the SI unit of heat. a) °C b) joule (J) c) calorie d) watt (W) 3) Freezing occurs when matter changes from a _______________. a) gas to a solid b) liquid to a gas c) liquid to a solid d) solid to a gas 4) Select the name of the process when a gas changes to a liquid. a) Condensation b) Evaporation. c) Boiling d) Melting 5) The energy that is transferred from one body to the other in thermal contact with each other as a result of the difference of temperature between them is called _____________. a) temperature b) stress c) pressure d) heat 6) A person cannot unscrew the lid of a jar of jam. He finds that the lid can be unscrewed after it has been held under hot, running water for a few seconds. Why is this? a) The glass expands. b) The jam melts. c) The lid expands. d) The air pressure in the jar reduced. 7) How does heat flow? a) Always from cold to warm. b) Always from warm to cold. c) It depends on the temperature. d) Both warm to cold & cold to warm. 8) When a body absorbs heat, its temperature will _________________. a) increase b) decrease c) remain constant d) none of the above. 9) Amount of energy required to change the liquid to gas and vice versa without any change in temperature is termed as ________________. a) latent heat of fusion b) latent heat of vaporization c) specific heat capacity d) heat capacity 10) Select the correct unit of specific latent heat. a) J/°C b) J kg-1 °C-1 c) J kg-1 d) J 11) If boiling point of water is 95°F, what will be reading at Celsius scale? a) 7 °C b) 35 °C c) 63 °C d) 65 °C 12) If the specific heat of water is 4186 J kg-1 °C-1, compute amount of heat required to increase the temperature of 1.2 kg of water from 23 °C to 39 °C. a) Q = 1.2 x 4186 b) Q = 1.2 x 4186 x 16 c) 1.2 x 4186 x 7 d) 0.0012 x 4186 x 16 13) In a laboratory, Bunsen burner is used to increase the temperature of lime from 10 °C to 50 °C with the thermal energy of 80000 J. If the mass of the lime is 20 kg, the specific heat capacity of the lime would be ________________. a) 25 J kg-1 °C-1 b) 50 J kg-1 °C-1 c) 75 J kg-1 °C-1 d) 100 J kg-1 °C-1 14) When the state is being changes from gas to liquid through the process of condensation, the temperature ___________. a) increases b) decreases c) remains constant d) may increase or decrease 15) 300 g of water requires 30000 J of thermal energy to raise the temperature from 25 °C to 85 °C, find the heat capacity of the water. a) 100 J/°C b) 200 J/°C c) 400 J/°C d) 500 J/°C

PHY012 GAME SHOW

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?