Communications
What concept allows the signal in fiber optics to transmit around curves?
Total internal reflection
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)
What does NOT change in DC supplies?
The voltage
What does OSHA regulate?
Workplace safety
Which email service is owned by Microsoft?
Hotmail
What type of technology is stored in binary code?
Digital technology
What would work better for a car's suspension, pneumatic or hydraulic pistons?
Pneumatic b/c air is compressible and can absorb some shock
How is electrical power measured?
Watts
What would be used to guide the safe construction of a new home, to make sure it meets specifications?
Building code
What is the capital city of Spain?
Madrid
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
What is it called when light is bent?
Refraction
What does NOT change in a series circuit?
Current
What does PPE stand for
Personal protective equipment
Pure water has a pH level of around?
7
Who or what modulates the data?
Transmitter
T/F. Fiber optic technology is easier to hack into and steal data from.
False
What does not change in a parallel circuit?
Voltage
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
What’s the hardest rock?
A diamond
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.
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
What do we call a material that transmits current? Provide an example
Conductor. Metal and water are good conductors
Provide another name for a top view
Birdseye or Plan view
Which mammal doesn’t have vocal cords?
Giraffe