Ic Stuff

Question 1

Purpose of the em log?

Answer 1

Provide the speed of the ship

Question 2

What circuit is designated for the em log

Answer 2

Circuit y

Question 3

How many parts does the em log have

Answer 3

3

Question 4

What are the parts of the em log

Answer 4

Rodmeter/pitsword
Indicator/transmitter
Sea valve

Question 5

What’re the parts of the pitsword

Answer 5

Junction box
Sensing element
Rod weldment

Question 6

How does the pitsword detect the speed of the ship

Answer 6

Emi/electromagnetic induction

Question 7

How many volts does the signal voltage produce?

Answer 7

325 microvolts per knot

Question 8

At what speed can the ship raise and lower the pitsword

Answer 8

Below 10 knots

Question 9

What’re the 3 modes for the indicator/transmitter

Answer 9

Log mode
Dummy mode
Manual mode

Question 10

Which mode is the normal underway mode for the em log

Answer 10

Log mode

Question 11

Which mode is used when the pitsword is raised

Answer 11

Dummy mode

Question 12

In dummy mode how is the speed entered

Answer 12

By the remote control unit in fwd eos

Question 13

When do you use manual mode

Answer 13

When dummy and log mode don’t work

Question 14

What is used to change between the three modes of op of the em log

Answer 14

Indicator/transmitter

Question 15

What does the indicator/transmitter display besides the speed

Answer 15

Told nautical miles traveled

Question 16

What is the purpose of the sea valve

Answer 16

Provide water tight integrity of the underwater log trunk

Question 17

Where is the remote control unit located

Answer 17

Fwd eos

Question 18

How many wsn 7 gyros does bhr have

Answer 18

2

Question 19

Where are the two wsn 7 gyros located

Answer 19

Fwd ic and aft ic

Question 20

What signals do the ship’s gyro provide?

Answer 20

Heading
Pitch and roll
Latitude and longitude

Question 21

What signals does the gyro not provide

Answer 21

Range and bearing

Question 22

Are there spinning parts in the wsn 7 gyro

Answer 22

No

Question 23

What type of gyros are the wsn 7’s

Answer 23

Ring laser

Question 24

How many types of gyro repeaters are there? What are they

Answer 24

2, vital and non vital

Question 25

Which type of repeaters are used to steer the ship

Answer 25

Vital repeaters

Question 26

Where are the vital repeaters located

Answer 26

``` Ships control console Aft steering Secondary conning station Fwd ic Aft ic ```

Question 27

Who many synchro signal amplifiers (SSA) do we have

Answer 27

4

Question 28

Which radars have SSA’s

Answer 28

SPN 43 SPS 48 SPS 49 SPS 67

Question 29

What is the purpose of the SSA’s

Answer 29

To amplify the ships heading signal from the gyros to the radars

Question 30

Where are the 6 tv security cameras located

Answer 30

Hanger bay Upper and lower v Flight deck Engineering spaces

Question 31

Which circuits are designated for the ships tv system

Answer 31

14 tv or 27 tv

Question 32

What does SITE stand for

Answer 32

Ship’s information training, and entertainment