ROV test

Question 1

List Types of ROVS

Answer 1

Free-swimming, bottom-crawling, and structurally reliant ROV’s.

Question 2

What ROV stand for?

Answer 2

Remote Operated Vehicle

Question 3

What is a tether?

Answer 3

the lifeline of your ROV, Physical connection to the surface.

Question 4

What type of ROV is ours?

Answer 4

free swimming

Question 5

5. ROV safety – list two precautions

Answer 5

making sure the wiring is right and making sure the water doesn’t get to the control box.

Question 6

List Systems/Steps of ROV

Answer 6

Framing - Structural
Wiring - Electrical
Tethering - Mechanical

Question 7

Why use PVC?

Answer 7

its cheap, readily available and easy to work with

Question 8

8. Buoyancy: define –

Answer 8

The upward force exerted on the ROV accused by displacement

Question 9

8a. list the three types of buoyancy and define them

Answer 9

Positive Buoyancy -net buoyancy forces are moving the ROV up
Negative Buoyancy -net buoyancy forces are moving the ROV down.
Neutral Buoyancy -net buoyancy forces are making the ROV stay balanced

Question 10

8b. where is buoyancy located on ROV?

Answer 10

Postive - Pool Noodles
Negative - Weights

Question 11

8c. what kind do we want?

Answer 11

neutral

Question 12

9. Wire gauge, describe them:

Answer 12

the thickness of a wire. Thicker the wire the less the resistance

Question 13

10. Why did we Solder wires or why it is done?

Answer 13

to join wires together permanently

Question 14

11. What kind of power do we want for ROV, AC/DC?

Answer 14

DC

Question 15

12 List one condition of good tether design.

Answer 15

length

Question 16

13. Why did we drill holes in the frame/ROV? –

Answer 16

for negative bouyancy

Question 17

14. Why did we put on floats?

Answer 17

for positive buoyancy