Unit 3 Test

Question 1

Titanic carried __ passengers from Southampton, England to __

Answer 1

2224, NYC

Question 2

Titanic weighed over

Answer 2

46k tons

Question 3

Titanic sunk on ___ after hitting iceberg off coast of ___ , leaving ___ passengers to die

Answer 3

April 14, 1912, Newfoundland, 1500

Question 4

Possible causes of Titanic sinking

Answer 4

1. Traveling too fast
2. Radio operator dismissed Iceberg Warning
3. May have taken a wrong turn
4. Titanic builders cut costs
5. Mirages
6. No binoculars

Question 5

The titanic lacked ___, only having 20, supposing to take ___ more

Answer 5

lifeboats, 10

Question 6

AUV

Answer 6

automated vehicle, tethered, batteries, programmed

Question 7

ROV

Answer 7

remotely operated vehicle, tethered, projected

Question 8

HOV

Answer 8

not tethered, batteries, control inside

Question 9

how do submarines sink

Answer 9

ballast tanks are filled with air(from compressed air tanks) or water to either sink or make it surface(control buoyancy)

Question 10

pros of AUVs

Answer 10

set and forget
wide ranging
continuous data collection
no risk to human life

Question 11

cons of AUVs

Answer 11

no samples
no communication
battery dependent run times
may be difficult to recover

Question 12

pros of ROVs

Answer 12

long run times
operate tools/equip/gear
sample collection
compact/portable/inexpensive
no risk to human life

Question 13

cons of ROVs

Answer 13

limited mobility and range

Question 14

pros of HOVs

Answer 14

high mobility and wide range
operate tools/equip/gear
sample collection

Question 15

cons of HOVs

Answer 15

run time depends on batteries and humans inside
risk to human life
expensive