The Total Maintenance Cost Curve (Preventive Maintenance Cost Plus Breakdown

question 112

Multiple Choice

The total maintenance cost curve (preventive maintenance cost plus breakdown and repair cost)

• A)slopes up as the number of preventive maintenances increases.
• B)slopes down as the number of preventive maintenances increases.
• C)starts low, increases rapidly, and then drops back down as the number of preventive maintenances increases.
• D)starts high, drops gradually, but then goes back up as the number of preventive maintenances increases.
• E)remains relatively flat as the number of preventive maintenances increases.

---

Definitions:

Doppler Echocardiography

A test that uses sound waves to create images of the heart and its blood flow, employing the Doppler effect to assess the speed and direction of blood.

Blood Flow Velocity

The speed at which blood moves through the vessels, which can vary depending on vessel size, blood viscosity, and cardiac output.

Cardiac

Relating to the heart and its functions or diseases.

Oscilloscope

An electronic instrument used to observe and measure varying electrical voltages in the form of a two-dimensional graph.