TASK NO – 2.12
TASK-IDENTIFY BASIC PARTS OF
MAGNETIC COMPASS
AIM
1. TO
UNDERSTAND BASIC PARTS OF MAGNETIC COMPASS
2. WHERE IT
IS FITTED
3. HOW IT
WORKS
4. WHAT IS
THE MAIN USE OF MAGNETIC COMPASS
5. CARE AND MAINTENANCE OF
MAGNETIC COMPASS.
REQUIREMENTS FOR TASK- GSK TEXT BOOK,NOTES,BINNACLE,VIDEOS
DESCRIPTION/PRECAUTION
MAGNETIC
COMPASS IS USED TO FIND MAGNETIC NORTH.
IT DOES NOT
REQUIRE ANY POWER SUPPLY
IT IS FITTED
ON MONKEY ISLAND
PORTABLE
MAGNETIC COMPASS IS CARRIED IN LIFE BOAT AND LIFE RAFT
THERE ARE
TWO TYPE OF MAGNETIC COMPASS WET CARD AND DRY CARD
MODERN SHIPS
ARE FITTED WITH WET CARD.
IN WET CARD
THE SOLUTION OF DISTILLED WATER AND ETHYL ALCOHOL IS USED …. COMBINATION IS
KNOWN AS GLYCOL WATER.
PROPER CARE AND MAINTENANCE IS
REQUIRED FOR BETTER PERFORMANCE.
TASK NO-2.13
TASK–TO RECOGNIZES THE CARDINAL AND INTER
CARDINAL POINTS OF COMPASS.
AIMS-
1. TO
UNDERSTAND BOXING OF COMPASS
2. HOW TO
REPORT OOW AS POINT WISE.
3. HOW TO
DRAW BOXING OF COMPASS.
REQUIREMENTS
FOR TASK-
GSK TEXT
BOOK, NOTES, PLANE PAPER, RUBBER, PENCIL, SCALE.
DESCRIPTION/PRECAUTION-:
THERE
ARE TOTAL 32 POINTS IN COMPASS
THEY ARE NAMED AS
CARDINAL
POINTS – 04
INTERCARDINAL
POINTS- 04
BY POINTS-
16
THREE LETTER
POINTS- 08
EACH POIN
IS OF 11 ¼ DEGREE OR 11.25 DEGREES.