21) A temperature change of 20 C° corresponds to a Fahrenheit temperature readjust of 

21) ______

A) 11 F°. 

B) 36 F°. 

C) 68 F°. 

D) 18 F°. 

 

22) in ~ what, if any, temperature are the numerical readings top top the Fahrenheit and Celsius scales the same? 

22) ______

A) -60°  

B) -30°  

C) -40°  

D) -50°  

E) They have the right to never read the same because they are based on different zeroes.

 

23) Oxygen condenses into a fluid at around 90 K.  What temperature, in degrees  Fahrenheit, go this correspond to?

23) ______

A) -297°F

B) -193°F

C) -265°F

D) -217°F

 

SHORT ANSWER.  Write words or phrase that finest completes each statement or answers the question.

24) What is pure zero ~ above the (a) Celsius scale and also (b) top top the Fahrenheit scale?

24) 

_____________

 

MULTIPLE CHOICE.  select the one alternative that best completes the declare or answers the question.

25) Nitrogen boils at -196°C. What is the equivalent temperature in the Fahrenheit scale? 

25) ______

A) -315°F

B) -321°F

C) -196°F

D) -346°F

E) -290°F

 

26) The weather exterior is frightful. The temperature is -22°F. What is the matching temperature in the Celsius scale?

26) ______

A) -30°C

B) -12°C

C) -22°C

D) -35°C

E) -20°C

 

27) Platinum melts at 3215°F. What is the matching temperature in the Kelvin scale?

27) ______

A) 2135 K

B) 3215 K

C) 2207 K

D) 2296 K

E) 2041 K

 

28) The coefficient of linear expansion of stole is 12 × 10-6 K-1.


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What is the adjust in length of a 25-m steel bridge expectancy when it experience a temperature change of 40 K indigenous winter to summer?

28) ______

A) 1.8 centimeter

B) 1.6 cm

C) 1.4 cm

D) 1.2 cm

E) 2.0 centimeter

 

29) A steel leg is 1000 m long at -20°C in winter.  What is the readjust in size when the temperature rises come 40°C in summer?  The median coefficient that linear growth of this stole is 11 × 10-6 K-1.

29) ______

A) 0.33 m 

B) 0.44 m 

C) 0.66 m 

D) 0.55 m 

 

30) an aluminum pole 17.400 cm lengthy at 20°C is heated to 100°C.  What is its brand-new length?  Aluminum has a linear growth coefficient of 25 × 10-6 K-1.