Question 1

The length of the column in an Hg thermometer is 5 cm at 0S1U1P1$\circ$S1S1P0C and 30 cm at 100S1U1P1$\circ$S1S1P0C.For a 20 cm length of column,the corresponding temperature is

Accepted Answer

A) 60. 
B) 70. 
C) 80. 
D) 85. 
E) 90. 
A) 60. 
B) 70. 
C) 80. 
D) 85. 
E) 90.

Question 2

A US resident traveling in Japan notices that the temperature in degrees F is easily calculated to be 3.2 times the temperature in degrees C. What is the temperature?

Accepted Answer

A) 32S1U1P1$\circ$S1S1P0F 
B) 64S1U1P1$\circ$S1S1P0F 
C) 73S1U1P1$\circ$S1S1P0F 
D) 81S1U1P1$\circ$S1S1P0F 
A) 32S1U1P1$\circ$S1S1P0F 
B) 64S1U1P1$\circ$S1S1P0F 
C) 73S1U1P1$\circ$S1S1P0F 
D) 81S1U1P1$\circ$S1S1P0F

Question 3

A 10 gallon aluminum container is filled completely to the rim with gasoline which has a volume expansion coefficient of 990 * 10-6/K.The temperature in the warehouse rises and 4.0 * 10-4 m3 of the gas spills out.Neglect the expansion of the container.By how much did the temperature rise?

Accepted Answer

A) 5.0 K 
B) 7.8 K 
C) 9.3 K 
D) 11 K 
E) 13 K 
A) 5.0 K 
B) 7.8 K 
C) 9.3 K 
D) 11 K 
E) 13 K

Question 4

Two thermometers are calibrated,one in degrees Celsius and the other in degrees Fahrenheit.At what temperature is the reading on the thermometer calibrated in degrees Celsius five times the reading on the other thermometer?

Accepted Answer

A) -21.8S1U1P1$\circ$S1S1P0C 
B) -20.0S1U1P1$\circ$S1S1P0C 
C) -18.8S1U1P1$\circ$S1S1P0C 
D) -4.00S1U1P1$\circ$S1S1P0C 
E) -1.88S1U1P1$\circ$S1S1P0C 
A) -21.8S1U1P1$\circ$S1S1P0C 
B) -20.0S1U1P1$\circ$S1S1P0C 
C) -18.8S1U1P1$\circ$S1S1P0C 
D) -4.00S1U1P1$\circ$S1S1P0C 
E) -1.88S1U1P1$\circ$S1S1P0C

Question 5

If a cube of a certain metal increases its volume from 15 cm3 to 17 cm3 as the temperature increases from 12S1U1P1$\circ$S1S1P0C to 28S1U1P1$\circ$S1S1P0C,what is the metal's volume expansion coefficient?

Accepted Answer

A) 2.7 * 10-3 S1U1P1$\circ$S1S1P0C-1 
B) 4.0 * 10-3 S1U1P1$\circ$S1S1P0C-1 
C) 7.4 * 10-3 S1U1P1$\circ$S1S1P0C-1 
D) 8.3 * 10-3 S1U1P1$\circ$S1S1P0C-1 
A) 2.7 * 10-3 S1U1P1$\circ$S1S1P0C-1 
B) 4.0 * 10-3 S1U1P1$\circ$S1S1P0C-1 
C) 7.4 * 10-3 S1U1P1$\circ$S1S1P0C-1 
D) 8.3 * 10-3 S1U1P1$\circ$S1S1P0C-1

Question 6

A 9-m3 pool of water is in thermal equilibrium with a 1-m3 iron block at the bottom of the pool.A thermometer measures the pool temperature to be 21S1U1P1$\circ$S1S1P0C.What is the temperature of the iron block?

Accepted Answer

A) 30S1U1P1$\circ$S1S1P0C 
B) 25S1U1P1$\circ$S1S1P0C 
C) 16S1U1P1$\circ$S1S1P0C 
D) 21S1U1P1$\circ$S1S1P0C 
E) None are correct. 
A) 30S1U1P1$\circ$S1S1P0C 
B) 25S1U1P1$\circ$S1S1P0C 
C) 16S1U1P1$\circ$S1S1P0C 
D) 21S1U1P1$\circ$S1S1P0C 
E) None are correct.

Question 7

A steel can has a steel lid that is stuck tightly to the can.Is it possible to open the can by running it under hot water?

Accepted Answer

A) Yes. 
B) No. 
C) Yes,but only if the bottom of the can is submerged in ice water while the top is run under hot water. 
D) No,but it would be possible to open the can by submerging it in ice water. 
A) Yes. 
B) No. 
C) Yes,but only if the bottom of the can is submerged in ice water while the top is run under hot water. 
D) No,but it would be possible to open the can by submerging it in ice water.

Question 8

A steel rod of length 1 m is welded to the end of an aluminum rod of length 2 m (lengths are at 22S1U1P1$\circ$S1S1P0C).The rod combination is then heated to 200S1U1P1$\circ$S1S1P0C.What is the length of this rod combination at 200S1U1P1$\circ$S1S1P0C?

Accepted Answer

A) 2.5 m 
B) 1.2 m 
C) 4.3 m 
D) 3.0 m 
E) 2.0 m 
A) 2.5 m 
B) 1.2 m 
C) 4.3 m 
D) 3.0 m 
E) 2.0 m

Question 9

In the figure,the ends of the two rods are separated by X at 25S1U1P1$\circ$S1S1P0C.The left rod is brass and 1 m long,whereas the right rod is steel and 1 m long.The rods just make contact with each other when they are both heated to 201ºC.Assuming that the far ends of both rods rest firmly against rigid wooden supports,what was their initial separation,X?

Accepted Answer

A) 5.0 mm 
B) 7.5 mm 
C) 4.7 mm 
D) 5.6 mm 
E) 6.3 mm 
A) 5.0 mm 
B) 7.5 mm 
C) 4.7 mm 
D) 5.6 mm 
E) 6.3 mm

Question 10

Which of the following bimetallic strips will exhibit the greatest sensitivity to temperature changes? That is,which one will bend the most as temperature increases?

Accepted Answer

A) copper on steel 
B) steel on aluminum 
C) copper on aluminum 
D) aluminum on brass 
E) copper on brass 
A) copper on steel 
B) steel on aluminum 
C) copper on aluminum 
D) aluminum on brass 
E) copper on brass

Question 11

If the density of aluminum is 2700.0 kg/m3 at 20S1U1P1$\circ$S1S1P0C,at what temperature is its density 2691 kg/m3? (   ).

Accepted Answer

A) 70S1U1P1$\circ$S1S1P0C 
B) 100S1U1P1$\circ$S1S1P0C 
C) 90S1U1P1$\circ$S1S1P0C 
D) -50S1U1P1$\circ$S1S1P0C 
E) 40S1U1P1$\circ$S1S1P0C 
A) 70S1U1P1$\circ$S1S1P0C 
B) 100S1U1P1$\circ$S1S1P0C 
C) 90S1U1P1$\circ$S1S1P0C 
D) -50S1U1P1$\circ$S1S1P0C 
E) 40S1U1P1$\circ$S1S1P0C

Question 12

The Eiffel tower,which is made of steel (coefficient of linear expansion 13 x 10-6 /S1U1P1$\circ$S1S1P0C),is 320 m high at 20S1U1P1$\circ$S1S1P0C.The change in height of the tower between the winter months when the average temperature is -20S1U1P1$\circ$S1S1P0C and the summer months when the average temperature is 35S1U1P1$\circ$S1S1P0C is

Accepted Answer

A) 42 cm. 
B) 35 cm. 
C) 23 cm. 
D) 15 cm. 
E) 11 cm. 
A) 42 cm. 
B) 35 cm. 
C) 23 cm. 
D) 15 cm. 
E) 11 cm.

Question 13

An object's temperature has the same value on the Kelvin and Celsius temperature scales.What is this temperature?

Accepted Answer

A) -273 K = -273S1U1P1$\circ$S1S1P0C 
B) 0 K = 0S1U1P1$\circ$S1S1P0C 
C) 273 K = 273S1U1P1$\circ$S1S1P0C 
D) There is no such temperature. 
A) -273 K = -273S1U1P1$\circ$S1S1P0C 
B) 0 K = 0S1U1P1$\circ$S1S1P0C 
C) 273 K = 273S1U1P1$\circ$S1S1P0C 
D) There is no such temperature.

Question 14

Using similar techniques that were originally developed to process miniaturized semiconductor electronics,scientists and engineers are creating Micro-Electro-Mechanical Systems (MEMS).Consider a silicon post that is part of a MEMS device that is being heated by an electric current flowing through the post.The coefficient of thermal expansion for silicon is 3.2 * 10-6 K-1.The post is 1950  $\mu$m tall and 45 $\mu$m in diameter at room temperature.At any given time,you may assume that the temperature is constant along the entire length of the post,which strictly speaking is not the case.As the post heats up from room temperature to 492oC,its height will be

Accepted Answer

A) 1950  $\mu$m. 
B) 1953  $\mu$m. 
C) 1947  $\mu$m. 
D) 1956  $\mu$m. 
E) 1944  $\mu$m. 
A) 1950  $\mu$m. 
B) 1953  $\mu$m. 
C) 1947  $\mu$m. 
D) 1956  $\mu$m. 
E) 1944  $\mu$m.

Question 15

A mercury thermometer consists of a bulb of diameter 2 mm attached to a capillary tube of diameter 0.02 mm.The average coefficient of volume expansion of mercury is 1.82  * 10-4 /S1U1P1$\circ$S1S1P0C.Assume that initially the Hg is only in the bulb and the attached capillary tube is empty.Also assume negligible expansion of the glass.The change in the height of the mercury column that occurs with a temperature change of 40S1U1P1$\circ$S1S1P0C is

Accepted Answer

A) 9.71 cm. 
B) 7.05 cm. 
C) 6.12 cm. 
D) 5.98 cm. 
E) 4.74 cm. 
A) 9.71 cm. 
B) 7.05 cm. 
C) 6.12 cm. 
D) 5.98 cm. 
E) 4.74 cm.

Question 16

If the density of aluminum is 2700.0 kg/m3 at 20S1U1P1$\circ$S1S1P0C,find the density at 100S1U1P1$\circ$S1S1P0C.(   ).

Accepted Answer

A) 2686 kg/m3 
B) 2692 kg/m3 
C) 2695 kg/m3 
D) 2705 kg/m3 
E) 2714 kg/m3 
A) 2686 kg/m3 
B) 2692 kg/m3 
C) 2695 kg/m3 
D) 2705 kg/m3 
E) 2714 kg/m3

Question 17

You are given a cylindrical rod of tungsten of 15.025 mm diameter and a plate of 1025 steel with a circular hole 15.000 mm diameter.Also given: the coefficient of linear expansion for tungsten is 4.5 *10-6/S1U1P1$\circ$S1S1P0C and that for 1025 steel is 12.0 * 10-6/S1U1P1$\circ$S1S1P0C.Assuming an initial temperature of 25S1U1P1$\circ$S1S1P0C,the common temperature to which both the rod and the plate must be heated for the rod to just fit into the hole is

Accepted Answer

A) 122.5S1U1P1$\circ$S1S1P0C 
B) 167.8S1U1P1$\circ$S1S1P0C 
C) 197.4 S1U1P1$\circ$S1S1P0C 
D) 201.2S1U1P1$\circ$S1S1P0C 
E) 222.4S1U1P1$\circ$S1S1P0C 
A) 122.5S1U1P1$\circ$S1S1P0C 
B) 167.8S1U1P1$\circ$S1S1P0C 
C) 197.4 S1U1P1$\circ$S1S1P0C 
D) 201.2S1U1P1$\circ$S1S1P0C 
E) 222.4S1U1P1$\circ$S1S1P0C

Question 18

What is the human body temperature of 98.6S1U1P1$\circ$S1S1P0F in Kelvin?

Accepted Answer

A) 310.15 K 
B) 37.0 K 
C) 98.6 K 
D) 100.0 K 
E) 56.3 K 
A) 310.15 K 
B) 37.0 K 
C) 98.6 K 
D) 100.0 K 
E) 56.3 K

Question 19

In the figure,the ends of the two rods are separated by 5 mm at 25S1U1P1$\circ$S1S1P0C.The left rod is brass,whereas the right rod is steel.Both rods have the same length and the far end of each rod rests firmly against a rigid wooden supports.If the ends of the rods facing each other just touch at 125S1U1P1$\circ$S1S1P0C,what is the length of each bar?

Accepted Answer

A) 0.92 m 
B) 2.0 m 
C) 1.34 m 
D) 1.56 m 
E) 1.84 m 
A) 0.92 m 
B) 2.0 m 
C) 1.34 m 
D) 1.56 m 
E) 1.84 m

Question 20

The soil on Mars never gets above 27S1U1P1$\circ$S1S1P0C and in the ice cap region the soil can be as cold as -143S1U1P1$\circ$S1S1P0C.How much of a temperature range in degrees Fahrenheit does this represent?

Accepted Answer

A) 209S1U1P1$\circ$S1S1P0F 
B) 242S1U1P1$\circ$S1S1P0F 
C) 306S1U1P1$\circ$S1S1P0F 
D) 338S1U1P1$\circ$S1S1P0F 
A) 209S1U1P1$\circ$S1S1P0F 
B) 242S1U1P1$\circ$S1S1P0F 
C) 306S1U1P1$\circ$S1S1P0F 
D) 338S1U1P1$\circ$S1S1P0F

Exam 17: Temperature

The length of the column in an Hg thermometer is 5 cm at 0 ∘\circ∘ C and 30 cm at 100 ∘\circ∘ C.For a 20 cm length of column,the corresponding temperature is

A US resident traveling in Japan notices that the temperature in degrees F is easily calculated to be 3.2 times the temperature in degrees C. What is the temperature?

A 10 gallon aluminum container is filled completely to the rim with gasoline which has a volume expansion coefficient of 990 * 10-6/K.The temperature in the warehouse rises and 4.0 * 10-4 m3 of the gas spills out.Neglect the expansion of the container.By how much did the temperature rise?

Two thermometers are calibrated,one in degrees Celsius and the other in degrees Fahrenheit.At what temperature is the reading on the thermometer calibrated in degrees Celsius five times the reading on the other thermometer?

If a cube of a certain metal increases its volume from 15 cm3 to 17 cm3 as the temperature increases from 12 ∘\circ∘ C to 28 ∘\circ∘ C,what is the metal's volume expansion coefficient?

A 9-m3 pool of water is in thermal equilibrium with a 1-m3 iron block at the bottom of the pool.A thermometer measures the pool temperature to be 21 ∘\circ∘ C.What is the temperature of the iron block?

A steel can has a steel lid that is stuck tightly to the can.Is it possible to open the can by running it under hot water?

A steel rod of length 1 m is welded to the end of an aluminum rod of length 2 m (lengths are at 22 ∘\circ∘ C).The rod combination is then heated to 200 ∘\circ∘ C.What is the length of this rod combination at 200 ∘\circ∘ C?

Which of the following bimetallic strips will exhibit the greatest sensitivity to temperature changes? That is,which one will bend the most as temperature increases?

If the density of aluminum is 2700.0 kg/m3 at 20 ∘\circ∘ C,at what temperature is its density 2691 kg/m3? ( ).

An object's temperature has the same value on the Kelvin and Celsius temperature scales.What is this temperature?

If the density of aluminum is 2700.0 kg/m3 at 20 ∘\circ∘ C,find the density at 100 ∘\circ∘ C.( ).

What is the human body temperature of 98.6 ∘\circ∘ F in Kelvin?

The soil on Mars never gets above 27 ∘\circ∘ C and in the ice cap region the soil can be as cold as -143 ∘\circ∘ C.How much of a temperature range in degrees Fahrenheit does this represent?

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The length of the column in an Hg thermometer is 5 cm at 0^$\circ$C and 30 cm at 100^$\circ$C.For a 20 cm length of column,the corresponding temperature is

A 10 gallon aluminum container is filled completely to the rim with gasoline which has a volume expansion coefficient of 990 * 10^-6/K.The temperature in the warehouse rises and 4.0 * 10^-4 m³ of the gas spills out.Neglect the expansion of the container.By how much did the temperature rise?

If a cube of a certain metal increases its volume from 15 cm³ to 17 cm³ as the temperature increases from 12^$\circ$C to 28^$\circ$C,what is the metal's volume expansion coefficient?

A 9-m³ pool of water is in thermal equilibrium with a 1-m³ iron block at the bottom of the pool.A thermometer measures the pool temperature to be 21^$\circ$C.What is the temperature of the iron block?

A steel rod of length 1 m is welded to the end of an aluminum rod of length 2 m (lengths are at 22^$\circ$C).The rod combination is then heated to 200^$\circ$C.What is the length of this rod combination at 200^$\circ$C?

If the density of aluminum is 2700.0 kg/m³ at 20^$\circ$C,at what temperature is its density 2691 kg/m³? ( $If the density of aluminum is 2700.0 kg/m<sup>3</sup> at 20<sup> \circ </sup>C,at what temperature is its density 2691 kg/m<sup>3</sup>? ( ).$ ).

If the density of aluminum is 2700.0 kg/m³ at 20^$\circ$C,find the density at 100^$\circ$C.( $If the density of aluminum is 2700.0 kg/m<sup>3</sup> at 20<sup> \circ </sup>C,find the density at 100<sup> \circ </sup>C.( ).$ ).

What is the human body temperature of 98.6^$\circ$F in Kelvin?

The soil on Mars never gets above 27^$\circ$C and in the ice cap region the soil can be as cold as -143^$\circ$C.How much of a temperature range in degrees Fahrenheit does this represent?