Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR

USCG General Navigation (Set 41)

30:00

|

Question 1 of 30

Question Navigator

Correct Incorrect Pending Starred

Question 1 of 30

In the Northern Hemisphere, what do winds veering sharply to the west or northwest with increasing speed indicate?

Browse Questions in Set 41

30 MCQs

#1 In the Northern Hemisphere, what do winds veering sharply to the west or northwest with increasing speed indicate? #2 Cumulonimbus clouds are most likely to accompany a(n) __________. #3 When a cold air mass and a warm air mass meet, and there is no horizontal motion of either air mass, it is called a(n) __________. #4 When a warm air mass is adjacent to a cold air mass, the separation line between the two is called a(n) __________. #5 How does visibility change after the passage of a cold front? #6 When a warm air mass overtakes and replaces a cold air mass, the contact surface is called a(n) __________. #7 What is true about a front? #8 Which of the following is a boundary between two air masses? #9 When a warm air mass overtakes a cold air mass, the contact surface is called a __________. #10 As it approaches, a typical warm front will bring __________. #11 Squall lines with an almost unbroken line of threatening dark clouds and sharp changes in wind direction, generally precede a(n) __________. #12 A cloud sequence of cirrus, cirrostratus, and altostratus clouds followed by rain usually signifies the approach of a(n) __________. #13 Which is a characteristic of the weather preceding an approaching warm front? #14 As a warm front approaches how does barometric pressure change? #15 The first indications a mariner will have of the approach of a warm front will be __________. #16 What is typical of warm front weather conditions? #17 The FIRST indications a mariner will have of the approach of a warm front will be __________. #18 Steady precipitation is typical of __________. #19 Despite weather predictions for continued good weather, a prudent mariner should be alert for all of the following, EXCEPT a sudden __________. #20 A type of precipitation that occurs only in thunderstorms with strong convection currents that convey raindrops above and below the freezing level is known as __________. #21 A light, feathery deposit of ice caused by the sublimation of water vapor directly into the crystalline form, on objects whose temperatures are below freezing, is called __________. #22 Which type of precipitation is a product of the violent convection found in thunderstorms? #23 Which condition(s) is(are) necessary for the formation of dew? #24 A slow rise in the barometric pressure forecasts __________. #25 Atmospheric pressure at sea level is equal to __________. #26 Anticyclones are usually characterized by __________. #27 The standard atmospheric pressure in millibars is __________. #28 If you observe a rapid fall of barometric pressure you should __________. #29 As a high pressure system approaches, the barometer reading __________. #30 The standard atmospheric pressure measured in inches of mercury is __________.

Question Discussion & Notes

0

Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.

Loading mariner discussions...