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1 Simpo PDF Merge and Split Unregistered Version If the zeroth law of thermodynamics were not valid, which of the following could not be considered a property of an object? A Pressure B Center of mass energy C Internal energy D Momentum E Temperature 7 The international standard thermometer is kept: A near Washington, DC B near Paris, France C near the north pole D near Rome, Italy E nowhere (there is none) 8 In constructing a thermometer it is NECESSARY to use a substance that: A expands with rising temperature B expands linearly with rising temperature C will not freeze D will not boil E undergoes some change when heated or cooled 9 The triple point of a substance is that point for which the temperature and pressure are such that: A only solid and liquid are in equilibrium B only liquid and vapor are in equilibrium C only solid and vapor are in equilibrium D solid, liquid, and vapor are all in equilibrium E the temperature, pressure and density are all numerically equal 10 Constant-volume gas thermometers using different gases all indicate nearly the same temperature when in contact with the same object if: A the volumes are all extremely large B the volumes are all the same D the pressures are all extremely large C the pressures are the same E the particle concentrations are all extremely small Chapter 18: TEMPERATURE, HEAT, AND THE FIRST AW OF THERMODYNAMICS 271
2 Simpo PDF Merge and Split Unregistered Version A constant-volume gas thermometer is used to measure the temperature of an object When the thermometer is in contact with water at its triple point (27316 K) the pressure in the thermometer is Pa When it is in contact with the object the pressure is Pa The temperature of the object is: A 370K B 241 K C 310 K D 314 K E 2020 K 12 When a certain constant-volume gas thermometer is in thermal contact with water at its triple point (27316 K) the pressure is Pa For this thermometer a kelvin corresponds to a change in pressure of about: A Pa B Pa C Pa D Pa E Pa 13 The diagram shows four thermometers, labeled W, X, Y, and Z The freezing and boiling points of water are indicated Rank the thermometers according to the size of a degree on their scales, smallest to largest boiling point freezing point W X Y Z A W, X, Y, Z B Z, Y, X, W C Z, Y, W, X D Z, X, W, Y E W, Y, Z, X 14 There is a temperature at which the reading on the Kelvin scale is numerically: A equal to that on the Celsius scale B lower than that on the Celsius scale C equal to that on the Fahrenheit scale D less than zero E none of the above 272 Chapter 18: TEMPERATURE, HEAT, AND THE FIRST AW OF THERMODYNAMICS
3 Simpo PDF Merge and Split Unregistered Version Fahrenheit and Kelvin scales agree numerically at a reading of: A -40 B 0 C 273 D 301 E Which one of the following statements is true? A Temperatures differing by 25 on the Fahrenheit scale must differ by 45 on the Celsius scale B 40 K corresponds to 40 C C Temperatures which differ by 10 on the Celsius scale must differ by 18 on the Fahrenheit scale D Water at 90 C is warmer than water at 202 F E 0 F corresponds to 32 C 17 A Kelvin thermometer and a Fahrenheit thermometer both give the same reading for a certain sample The corresponding Celsius temperature is: A 574 C B 232 C C 301 C D 614 C E 276 C 18 Room temperature is about 20 degrees on the: A Kelvin scale B Celsius scale C Fahrenheit scale D absolute scale E C major scale 19 A thermometer indicates 986 C It may be: A outdoors on a cold day B in a comfortable room C in a cup of hot tea D in a normal person s mouth E in liquid air Chapter 18: TEMPERATURE, HEAT, AND THE FIRST AW OF THERMODYNAMICS 273
4 Simpo PDF Merge and Split Unregistered Version The air temperature on a summer day might be about: A 0 C B 10 C C 25 C D 80 C E 125 C 21 The two metallic strips that constitute some therats must differ in: A length B thickness C mass D rate at which they conduct heat E coefficient of linear expansion 22 Thin strips of iron and zinc are riveted together to form a bimetallic strip that bends when heated The iron is on the inside of the bend because: A it has a higher coefficient of linear expansion B it has a lower coefficient of linear expansion C it has a higher specific heat D it has a lower specific heat E it conducts heat better 23 It is more difficult to measure the coefficient of volume expansion of a liquid than that of a solid because: A no relation exists between linear and volume expansion coefficients B a liquid tends to evaporate C a liquid expands too much when heated D a liquid expands too little when heated E the containing vessel also expands 24 A surveyor s 30-m steel tape is correct at 68 F On a hot day the tape has expanded to 3001 m On that day, the tape indicates a distance of 1552 m between two points The true distance between these points is: A 1550 m B 1551 m C 1552 m D 1553 m E 1554 m 274 Chapter 18: TEMPERATURE, HEAT, AND THE FIRST AW OF THERMODYNAMICS
5 Simpo PDF Merge and Split Unregistered Version The figure shows a rectangular brass plate at 0 C in which there is cut a rectangular hole of dimensions indicated If the temperature of the plate is raised to 150 C: z y x A x will increase and y will decrease B both x and y will decrease C x will decrease and y will increase D both x and y will increase E the changes in x and y depend on the dimension z 26 The Stanford linear accelerator contains hundreds of brass disks tightly fitted into a steel tube (see figure) The coefficient of linear expansion of the brass is per C The system was assembled by cooling the disks in dry ice ( 57 C) to enable them to just slide into the close-fitting tube If the diameter of a disk is 8000 mm at 43 C, what is its diameter in the dry ice? brass disk steel tube A 7840 mm B 7968 mm C 8016 mm D 7984 mm E None of these 27 When the temperature of a copper penny is increased by 100 C, its diameter increases by 017% The area of one of its faces increases by: A 017% B 034% C 051% D 013% E 027% Chapter 18: TEMPERATURE, HEAT, AND THE FIRST AW OF THERMODYNAMICS 275
6 Simpo PDF Merge and Split Unregistered Version An annular ring of aluminum is cut from an aluminum sheet as shown When this ring is heated: A the aluminum expands outward and the hole remains the same in size B the hole decreases in diameter C the area of the hole expands the same percent as any area of the aluminum D the area of the hole expands a greater percent than any area of the aluminum E linear expansion forces the shape of the hole to be slightly elliptical 29 Possible units for the coefficient of volume expansion are: A mm/c B mm 3 /C C (C ) 3 D 1/(C ) 3 E 1/C 30 The mercury column in an ordinary medical thermometer doubles in length when its temperature changes from 95 Fto105 F Choose the correct statement: A the coefficient of volume expansion of mercury is 01 per F B the coefficient of volume expansion of mercury is 03 per F C the coefficient of volume expansion of mercury is (01/3) per F D the vacuum above the column helps to pull up the mercury this large amount E none of the above is true 31 The coefficient of linear expansion of iron is per C The surface area of an iron cube, with an edge length of 50 cm, will increase by what amount if it is heated from 10 Cto 60 C? A cm 2 B 0025 cm 2 C 0075 cm 2 D 015 cm 2 E 030 cm Chapter 18: TEMPERATURE, HEAT, AND THE FIRST AW OF THERMODYNAMICS
7 Simpo PDF Merge and Split Unregistered Version The diagram shows four rectangular plates and their dimensions All are made of the same material The temperature now increases Of these plates: A the vertical dimension of plate 1 increases the and the area of plate 1 increases the B the vertical dimension of plate 2 increases the and the area of plate 4 increases the C the vertical dimension of plate 3 increases the and the area of plate 1 increases the D the vertical dimension of plate 4 increases the and the area of plate 3 increases the E the vertical dimension of plate 4 increases the and the area of plate 4 increases the 33 The coefficient of linear expansion of steel is per C A steel ball has a volume of exactly 100 cm 3 at 0 C When heated to 100 C, its volume becomes: A cm 3 B cm 3 C cm 3 D cm 3 E none of these ans: A 34 The coefficient of linear expansion of a certain steel is per C The coefficient of volume expansion, in (C ) 1, is: A ( ) 3 B (4π/3)( ) 3 C D E depends on the shape of the volume to which it will be applied 35 Metal pipes, used to carry water, sometimes burst in the winter because: A metal contracts more than water B outside of the pipe contracts more than the inside C metal becomes brittle when cold D ice expands when it melts E water expands when it freezes Chapter 18: TEMPERATURE, HEAT, AND THE FIRST AW OF THERMODYNAMICS 277
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