OIC-NW MARINA REVIEWER / QUIZ COMPETENCE 1 - PART 3 - Seaman Kowts

COMPETENCE 1 – Plan and Conduct a Passage and Determine Position

Results

Congratulations! Share the result.

Try again. There is always a chance. Review the results.

QUIZ START

#1. Normal pool elevation is the height in feet of the section of river above a dam. This height is measured from:

low steel on the Huey P. Long Bridge

mean sea level

the local water table

the minimum dam control level

Incorrect!

#2. If you count 20 seconds between seeing lightning and hearing the thunder, how far is the storm away from you?

2 miles

4 miles

6 miles

8 miles

Incorrect!

#3. In shallow water, waves that are too steep to be stable, causing the crests to move forward faster than the rest of the wave, are called:

rollers

breakers

white caps

surfers

Incorrect!

#4. How many degrees north or south of the Tropic of Cancer is the Arctic Circle?

23° 27’ South

44° 06’ North

44° 06’ South

23° 27’ North

Incorrect!

#5. Opposition occurs when:

the Sun, Earth, and Moon are at right angles

the Sun's declination is 0° and is moving south

an inferior planet is at the maximum angle to the line of sight to the Sun

the Earth is between a planet and the Sun

Incorrect!

#6. 90 degrees subtracted from Ho is:

sextant altitude

co-latitude

LHA

zenith distance

Incorrect!

#7. Which type of cloud formation should be of immediate concern to small craft operators?

cirrus

altostratus

nimbostratus

cumulonimbus

Incorrect!

#8. A dead reckoning (DR) plot:

must utilize magnetic courses

must take set and drift into account

should be replotted hourly

should be started each time the vessel's position is fixed

Incorrect!

#9. A tropical storm is building strength some distance from your vessel. Waves are coming from the east, with periods increasing from 5 seconds to 15 seconds. The swell is from the east. Where was the storm when these new swells were generated?

To the north of you

To the south of you

To the east of you

To the west of you

Incorrect!

#10. The small circle of the celestial sphere parallel to the celestial equator, and transcribed by the daily motion of the body, is called the:

hour circle of the body

parallel of declination

vertical circle of the body

parallel of altitude

Incorrect!

#11. If it is impossible to avoid a hurricane in the Northern Hemisphere, the most favorable place to be when the storm passes is in:

the dangerous semicircle

the eye (center) of the storm

that half of the storm lying to the right of the storm's path

that half of the storm lying to the left of the storm's path

Incorrect!

#12. As a licensed Merchant Marine Officer you are expected to:

obtain a weather forecast before setting out from port

listen to weather forecasts on the radio while enroute

understand all broadcast weather warning information

All of the above

Incorrect!

#13. The Sailing Directions (Planning Guide) contain information on all of the following EXCEPT:

coastal features

ocean basin environment

ocean routes

military operating areas

Incorrect!

#14. A slow rise in the barometric pressure forecasts:

rainy weather for the next 48 hours

high seas

improving weather conditions

deteriorating weather conditions

Incorrect!

#15. A line connecting all possible positions of your vessel at any given time is a:

longitude line

latitude line

line of position

fix

Incorrect!

#16. Which is a characteristic of the weather preceding an approaching warm front?

Gusty winds

Steadily falling barometric pressure

Decreasing relative humidity

Clearing skies

Incorrect!

#17. What is a chart that covers a large area?

General chart

Small scale chart

Coastal chart

Large scale chart

Incorrect!

#18. Information on search and rescue procedures and special, local communications used in Mexican waters will be found in the:

World Port Index

International Code of Signals (Pub 102)

Sailing Directions (Planning Guides)

International Aeronautical and Maritime Search and Rescue Manual

Incorrect!

#19. Weather patterns in the Gulf Coast area of the United States are:

those of a transition zone between tropical and a temperate area

those of a tropical region

extremely hot in summer

tropical over Florida and subtropical over the rest of the Gulf Coast area

Incorrect!

#20. A phase correction is applied to observations of:

Stars

The Moon

Planets

The sun

Incorrect!

#21. The height of tide is the:

difference between the depth of the water and the area's tidal datum

depth of water at a specific time due to tidal effect

difference between the depth of the water and the high water tidal level

difference between the depth of the water at high tide and the depth of the water at low tide

Incorrect!

#22. You are on a vessel at 0400 ZT on 3 July, and the ZD for your position is -8. What is the GMT?

1200, 3 July

2000, 3 July

1200, 2 July

2000, 2 July

Incorrect!

#23. A sign of thunderstorm development is a cumulus cloud:

darkening, growing in size and forming an anvil top

that shows extensive vertical development

creating cold downdrafts that are felt on the ground

All of the above

Incorrect!

#24. What kind of weather would you expect to accompany the passage of a tropical wave?

Heavy rain and cloudiness

Good weather

A tropical storm

Dense fog

Incorrect!

#25. Which list of clouds is in sequence, from highest to lowest in the sky?

Altostratus, cirrostratus, stratus

Cirrostratus, altostratus, stratus

Stratus, cirrostratus, altostratus

Altostratus, stratus, cirrostratus

Incorrect!

#26. Capella is found in what constellation?

Gemini

Auriga

Libra

Crab

Incorrect!

#27. Which condition will occur after a cold front passes?

Temperature rises

Stratus clouds form

Pressure decreases

Humidity decreases

Incorrect!

#28. The distance between the surface of the water and the tidal datum is the:

height of tide

charted depth

actual water depth

range of tide

Incorrect!

#29. What is the definition of height of tide?

The vertical distance from the tidal datum to the level of the water at any time

The vertical difference between the heights of low and high water

The vertical difference between a datum plane and the ocean bottom

The vertical distance from the surface of the water to the ocean floor

Incorrect!

#30. The numeral in the center of a wind rose circle on a pilot chart indicates the:

total number of observations

average wind force on the Beaufort scale

average wind force in knots

percentage of calms

Incorrect!

#31. What benefit is a weather bulletin to a mariner?

It provides a legal reason to cancel a projected voyage.

It allows the mariner to make long term weather forecasts.

It is of little benefit since the weather changes frequently and rapidly.

It gives the mariner time to prepare for weather changes.

Incorrect!

#32. Sidereal time is used by navigators when:

used with the equation of time

used in the form of LHA Aries

calculating the time of moonrise

determining local apparent time

Incorrect!

#33. In low latitudes, the low(s) of the diurnal variation of pressure occur(s) at:

noon

noon and midnight

1000 and 2200

0400 and 1600

Incorrect!

#34. A revised print of a chart is made:

after every major hydrographic survey of the area covered by the chart

when there are numerous corrections to be made or the corrections are extensive

when a low-stock situation occurs and minor corrections are made

every two years to update the magnetic variation information

Incorrect!

#35. Error may be introduced into a magnetic compass by:

making a structural change to the vessel

a short circuit near the compass

belt buckles

All of the above

Incorrect!

Finish

There are 35 questions for the actual examination for Competence 1 for OIC-NW with a passing rate of 70%. This means that you are only allowed to make 10 mistakes.

DISCLAIMER

The questionnaires contained in this “reviewer” are extracted from the post released by MARINA on their official website and other review materials. Please note that Seaman Kowts is not affiliated with, endorsed by, or connected to the official website of MARINA. The information provided on this website is for general informational and educational purposes only and should not be relied upon as official or authoritative. If you require official information or services, please visit the official website or any relevant review center. We do not assume any responsibility or liability for any consequences resulting from the use of information or services provided on this website.

Results

#1. Normal pool elevation is the height in feet of the section of river above a dam. This height is measured from:

#2. If you count 20 seconds between seeing lightning and hearing the thunder, how far is the storm away from you?

#3. In shallow water, waves that are too steep to be stable, causing the crests to move forward faster than the rest of the wave, are called:

#4. How many degrees north or south of the Tropic of Cancer is the Arctic Circle?

#5. Opposition occurs when:

#6. 90 degrees subtracted from Ho is:

#7. Which type of cloud formation should be of immediate concern to small craft operators?

#8. A dead reckoning (DR) plot:

#9. A tropical storm is building strength some distance from your vessel. Waves are coming from the east, with periods increasing from 5 seconds to 15 seconds. The swell is from the east. Where was the storm when these new swells were generated?

#10. The small circle of the celestial sphere parallel to the celestial equator, and transcribed by the daily motion of the body, is called the:

#11. If it is impossible to avoid a hurricane in the Northern Hemisphere, the most favorable place to be when the storm passes is in:

#12. As a licensed Merchant Marine Officer you are expected to:

#13. The Sailing Directions (Planning Guide) contain information on all of the following EXCEPT:

#14. A slow rise in the barometric pressure forecasts:

#15. A line connecting all possible positions of your vessel at any given time is a:

#16. Which is a characteristic of the weather preceding an approaching warm front?

#17. What is a chart that covers a large area?

#18. Information on search and rescue procedures and special, local communications used in Mexican waters will be found in the:

#19. Weather patterns in the Gulf Coast area of the United States are:

#20. A phase correction is applied to observations of:

#21. The height of tide is the:

#22. You are on a vessel at 0400 ZT on 3 July, and the ZD for your position is -8. What is the GMT?

#23. A sign of thunderstorm development is a cumulus cloud:

#24. What kind of weather would you expect to accompany the passage of a tropical wave?

#25. Which list of clouds is in sequence, from highest to lowest in the sky?

#26. Capella is found in what constellation?

#27. Which condition will occur after a cold front passes?

#28. The distance between the surface of the water and the tidal datum is the:

#29. What is the definition of height of tide?

#30. The numeral in the center of a wind rose circle on a pilot chart indicates the:

#31. What benefit is a weather bulletin to a mariner?

#32. Sidereal time is used by navigators when:

#33. In low latitudes, the low(s) of the diurnal variation of pressure occur(s) at:

#34. A revised print of a chart is made:

#35. Error may be introduced into a magnetic compass by:

You may interested:

OIC-NW MARINA REVIEWER / QUIZ COMPETENCE 13 – PART 8

OIC-NW MARINA REVIEWER / QUIZ COMPETENCE 2 – PART 4

OIC-EW MARINA REVIEWER / QUIZ COMPETENCE 7 – PART 4