Prototyping in Mechanical Engineering: Quiz 4

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We are excited to offer course completion certificates for completing and passing all 5 quizzes. A pass is 7 of 9 answered correctly. You must use the same email address and name that you registered for the course with for credit.

Email *

Your name (use the same name as you registered for the course with) *

What is the purpose of a regulator? *

1 point

Control the viscosity of a fluid flowing through

Mix two gases thoroughly

Pump fluid at a specific rate

Reduce the pressure of a gas to a specific target pressure

Function as a basic 'logic' unit of a fluid computer

A Tesla Valve is a type of which of the following? *

1 point

An active check valve

A passive check valve

A flow control valve

An on/off valve

A reciprocating pump part

I can achieve more than 1 atm of vacuum with certain pumps *

1 point

True

False

I have the following design criteria. What should I choose? I need tubing which I can run through a peristaltic pump. *

1 point

Stainless steel

Flexible tubing, such as silicone or natural rubber

A rigid yet chemical resistant plastic, like PVC

Any metal that won't corrode with my other components

I have the following design criteria. What should I choose? I have a pneumatic application and my cylinders are running dangerously quickly and I want to slow them down *

1 point

Flow control valve (needle valve) on the inlet to the cylinder

Add springs to counteract the cylinder's movement

Add liquid into your pneumatic system to increase viscosity and resistance

Increase the mass of the object being moved

I have the following design criteria. What should I choose? I have a water bath that is running too hot. *

1 point

Submerge some thermoelectric cooling elements fully in the bath

Mix with boiling water

Cycle the water through a heat exchanger or heat sink where the heat can be dispersed

Add salt or increase the ionic strength of the solution to lower the melting point

A state change in a pure material could take place at a variety of temperatures. *

1 point

True

False

Lift is created by the Bernoulli Principle alone. *

1 point

True

False

Gases typically differ from liquids in what way? *

1 point

Density

Viscosity

Compressibility

All of the above

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