Communications
Fluid Systems
Electronics
Construction Technologies
MISC
100

What concept allows the signal in fiber optics to transmit around curves?

Total internal reflection

100

What two things can be done to a fluid system, in order to increase the velocity in the fluid?

To increase velocity you can REDUCE THE DIA. or REDUCE BENDS IN A SYSTEM (straighten pipe out)

100

What does NOT change in DC supplies?

The voltage

100

What does OSHA regulate?

Workplace safety

100

Which email service is owned by Microsoft?

Hotmail

200

What type of technology is stored in binary code?

Digital technology

200

What would work better for a car's suspension, pneumatic or hydraulic pistons?

Pneumatic b/c air is compressible and can absorb some shock

200

How is electrical power measured?

Watts

200

What would be used to guide the safe construction of a new home, to make sure it meets specifications?

Building code

200

What is the capital city of Spain?

Madrid

300

List two benefits of digital technology over analog technology

More compact/smaller. More portable. Easier to edit and manipulate. Doesn't degrade as easily as analog. Faster than analog

300

What is it called when light is bent?

Refraction

300

What does NOT change in a series circuit?

Current

300

What does PPE stand for

Personal protective equipment

300

Pure water has a pH level of around?

7

400

Who or what modulates the data?

Transmitter

400

T/F. Fiber optic technology is easier to hack into and steal data from.

False

400

What does not change in a parallel circuit?

Voltage

400

A structural component for a bridge needs to be especially strong in tension. Which of the following materials would be most suitable for this component? (A) concrete (B) copper (C) steel (D) wood

(C) steel

400

What’s the hardest rock?

A diamond

500

Concerning fiber optics, what function does the CLADDING serve? What function does the CORE serve?

The CLADDING keeps everything totally internally reflected. The CORE carries the modulated light signal.

500

Are electrical signals used in fiber optic technology? If so, for what?

No there are no electrical signals in fiber optics....just modulated light signals carrying lots on info

500

What do we call a material that transmits current? Provide an example

Conductor. Metal and water are good conductors

500

Provide another name for a top view

Birdseye or Plan view

500

Which mammal doesn’t have vocal cords?

Giraffe

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