1. . The degree of hotness or coldness measured on a definite scale is called:
(A) Temperature
(B) Heat
(C) Specific heat
(D) Thermodynamics
2. . The SI unit of Temperature is:
(A) Celsius
(B) Kelvin
(C) Fahrenheit
(D) Joules
3. . The triple point of pure water occurs at:
(A) 273.16 K
(B) 373.16 K
(C) 293.16 K
(D) 573.16 K
4. . Heat is a form of:
(A) Pressure
(B) Air
(C) Energy
(D) Matter
5. . The SI unit of heat energy is:
(A) Joule
(B) Celsius
(C) Pascal
(D) Volt
6. . 1 Calorie (cgs) = ?
(A) 4.186 Joule
(B) 4.186 K
(C) 5.12 °C
(D) 217 Joule
7. . Observation effects of heat are:
(A) Change in color
(B) Change of state
(C) Change of volume
(D) All these
8. . The quantity of heat required to raise the temperature of a unit mass of a substance by 1 Kelvin, providing that there is no change in state, is known as:
(A) Solid Heat
(B) Specific heat
(C) Temperature
(D) Specific energy
9. . Heat transfer is the ________ act of thermal energy being exchanged:
(A) Physical
(B) Chemical
(C) Mechanical
(D) Electrical
10. . Heat transfer can be grouped into ________ broad categories:
(A) Two
(B) Three
(C) Four
(D) Six
11. . When two objects at different temperatures are in contact with each other ________ occurs:
(A) Conduction
(B) Condition
(C) Convection
(D) Radiation
12. . Conduction occurs in:
(A) Liquids
(B) Waste
(C) Gases
(D) Solids
13. . Cooler liquid or gas takes the place of the warmer areas which have risen higher in:
(A) Conduction
(B) Condition
(C) Convection
(D) Radiation
14. . A method of heat transfer which does not rely upon any contact between the heat source and the heated object is:
(A) Conduction
(B) Condition
(C) Convection
(D) Radiation
15. . No mass is exchanged and no medium is required for:
(A) Conduction
(B) Condition
(C) Convection
(D) Radiation
16. . When heat energy is applied to a solid, the molecules of the solid gain kinetic energy and begin to:
(A) Move
(B) Fixed
(C) Vibrate
(D) Release rays
17. . When heat energy is applied to solids, liquids, and gases they:
(A) Change their color
(B) Contact
(C) Vibrate
(D) Expand
18. . When a liquid is heated, the volume of the liquid:
(A) Decrease
(B) Increases
(C) Remain same
(D) Doubles
19. . Which one of the following expands greater than others?
(A) Solid
(B) Liquid
(C) Gas
(D) None of these