The Coefficient of Linear Expansion of Copper Is 17 ×

question 43

Multiple Choice

The coefficient of linear expansion of copper is 17 × 10^-6 K^-1 and that of steel is 12 × 10^-6 K^-1. At 12°C a steel rod has a diameter of 2.540 cm and a copper pipe has a diameter of 2.536 cm. To what temperature must the copper pipe be heated in order for the unheated rod to fit snugly in the pipe?

• A) 53°C
• B) 81°C
• C) 93°C
• D) 105°C
• E) 143°C

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Definitions:

Vomeronasal Organ

An auxiliary olfactory sense organ that is found in many animals and is believed to be involved in detecting pheromones.

Pheromones

Chemical substances produced and released into the environment by animals, affecting the behavior or physiology of others of its species.

Prey Killing

The act exhibited by certain animals of hunting and killing other animals for food.

Receptor Neurons

Specialized nerve cells that respond to chemical and physical stimuli in the environment, sending signals to the brain.