Quiz 1 (Lesson 1&2) -ME315g- Fluid Machineries

A rotary mechanical device that  extracts energy from  a fluid flow and converts it into useful work

• Fans

• Blower

• Compressor

• Turbine

A _______is  a device that  moves fluids mechanical  action,  typically  converted electrical energy into hydraulic energy.

• Turbine

• Fans

• Pumps

• All of the above

A device used to measure the viscosity of a fluid

• Saybolt Seconds Universal

• Viscosimeter

• Hydrometer

• Potentiometer

An absolute temperature scale used in the metric or SI systems of Units

• Kelvin

• Fahrenheit

• Celsius

• Rankine

It is the rotating element of the machine usually consisting of a number of vanes or blades

• Stator

• Impeller

• Cylinder

• Bearing

Francis Turbines is an example of Axial Flow turbine

• True

• False

With these Reynolds Number

A. NR < 2000 it is LAMINAR FLOW

B. NR > 4000 it is TURBULENT FLOW

C. Between 2000 and 4000, it is TRANSITIONAL FLOW

• A & B only are correct

• A& C only are Correct

• B & C only are Correct

• All are Correct

The above formula pertains to equation for

• Darcy-Weisbach

• Moody's

• Reynold's Number

• Bernoulli's

Morse equation is 4 times the Darcy-Weisbach Equation

• True

• False

It's machine transferring mechanical energy of rotor to the energy of fluid when it uses gas.

• Turbine

• Pump

• Compressor

• Kaplan