Equipment II

1. The __________ turns within a centrifugal pump to transfer energy to a fluid.

• volute
• impeller
• propeller

2. __________ fans can generate high pressure and efficiently move high volumes of air.

• Tube axial
• Cross flow
• Centrifugal
• Propeller

3. If the temperature of a gas is held at a constant temperature, volume will _______________ if the pressure is increased?

• remain the same
• decrease
• increase