The Coefficient of Linear Expansion of Copper Is 17 ×

question 1

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.Which one of the following quantities is closest to the temperature to which the copper pipe must be heated in order for the unheated steel rod to fit snugly in the copper pipe?

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

---

Definitions:

Jet Pumps

Mechanical devices that use a high velocity jet of fluid to entrain a lower pressure fluid and raise its pressure.

Uni-directional

Capable of moving or operating in only one direction, often used in reference to devices or mechanical components.

Maximum Twisting Force

The highest torque a rotating shaft or component can withstand without yielding or failing.

Rated Horsepower

The measure of an engine's or motor's horsepower as officially designated by the manufacturer.