英语30671

45

、

In the Northern Hemisphere northerly winds may cause temperature

.

A. falling

B. rising C. constant

D. same

46

、

]An aneroid barometer is an instrument ________

A. used to measure the speed of wind

B. in which the pressure of the air is measured

C. that tells which direction a storm is coming from

D. used to measure the height of waves.

47

、

force 12winds expected in east northern section and west northern section.

A. moderate

C storm

D

hurricane

compared to temperature , which factor is most useful in predicting fog?

A.V

apor pressure

B. Dew point

C. Barometric pressure

D. Absolute humidity

49. Radiation fog ____.

A.

always

forms

over

water

b.

is

formed

by

a

temperature

inversion

C.

is

thinnest

at

the

surface

d. dissipates during

50.

A line of clouds

，

sharp changes in wind direction

，

and squalls are most frequently associated

with a(n) ______.

A.

occluded front

B.

warm front

C.

cold front

D.

warm sector

factor

has

the

greatest

effect

on

the

amount

of

gain

required

to

obtain

a

fathometer

reading?

of water

ature of water

here pressure of bottom

52. Generally speaking

，

with ______ the weather becomes cloudy or overcast with strong winds

．

A.

high pressures

B.

low pressures

C.

weak pressures

D.

strong pressures

winds

you

would

except

to

encounter

in

the

North

Atlanic

between

latitudes

5

and

30

areknown as the

A. doldrums

B. westerlies

C. trades

D. easterlies

54.A cyclone in its final statge of dcvclopment is called a(n)

A. tornado

B. anticyclone

C.

occluded cyclone or occluded front

D. polar cyclone

ty is known as the amount of

in the air.

en

B. moisture

D. temperature

vertical distance between crest and trough is called the

.

heigh

B. wave aweigh

C. wave high

D. wave height

is

the

direction

of

rotation

of

tropical

cyclones,tropical

storms

and

hurricanes

in

the

North Hemisphere?

A .Clockwise and outward

rclockwise and inward

.Counterclockwise and outward

D.

Clockwise and inward

58. Low pressure disturbances

，

which travel along the intertropical convergence zone

，

are called

______.

A.

permanent waves

B.

tidal waves

C.

tropical waves

D.

tropical storms

lowest point between two waves is called

A. though

B. tough

C. through

D. trough

instrument is used to measure the relative humidity of the air?

A. A hydrometer

B, A

hygrometer

C. A spectrometer

D. A barograph

instrument is TRUE when comparing cold and warm fronts?

A. Cold fronts are more violent and of shorter duration

B. Cold fronts are milder and last longer

C. They are very similar with the exception of wind direction

D. Warm fronts are more violent and of longer duration

62. BASHI: E TO SE 9-10. 500M IN HVY SQUALL

Y SHWRS AND TS. SEA 8-9M. SWELL SE

6-7M. From the above forecast, the wind in Beaufort Scale will be________

A. STRONG GALE TO STORM

B. GALE TO STRONG GALE

C. NEAR GALE TO GALE

D. STRONG BREEZE TO NEAR GALE

the Southern Hemisphere winds in a low pressure system rotate in a

.

A.

clockwise

direction

asterly

direction

C.

northerly

direction

D.

counterclockwise

direction

ion fog is more common encountered in

.

A. spring

B. later winter

C. autumn

D. the end of summer

crossing a front, isobars tend to

.

from smooth curves within the air mass to sharp bends at the front

from sharp bends within the air mass to smooth curves at the front

smoothly across the front with no change

closer together at the front and pass through in straight lines

66In the Northern Hemisphere, the largest waves or swells created by a typhoon or hurricane will

be located ________

A. in the southeast quadrant of the storm

B. directly behind the storm center

C. forward and to the right of its course

D. behind and to the left of its course

67. During the winter months

，

the southeast trade winds are ______.

A.

stronger than during the summer months

B.

weaker than during the summer months

C.

drier than during the summer months

D.

wetter than during the summer months

r observations provided by each weather station include all of the following EXCEPT

ature B. visibility

C. predicted weather for the next twelve hours

D. barometric pressure and change in the last three hours

benefit is a weather bulletin to a mariner?

provides a legal reason to cancel a projected voyage

allows the mariner to make long term weather forecasts

is of little benefit since the weather changes frequently and rapidly

gives the mariner time to prepare for weather changes

will a veering wind do?

direction in a clockwise manner in the Northern Hemisphere

ate about a low pressure center in a counterclockwise manner in the Northern Hemispfere

in strength constantly and unpredictably

ate about a high pressure center in a clockwise manner in the Southern Hemisphere

a high pressure system is centered north of your vessel in the Northern Hemisphere

should experience r

wind direction is generally easterly

winds should be from the southwest at your location

winds should be brisk

72. . when force of winds reaches 10-11 in Beaufort scale, we usually call such wind ____.

A. gale

b. storm

c. hurricane

d. typhoon

general weather conditions should you except to find in a low pressure system?

A,Fair weather

itation and cloudiness

red clouds at high elevations l

clearing and cooler temperatures

74. Which of the following is not a frontal from?

A,Ridge

C,Trough

D. Bora

r information is available from

.

cial radio broadcasts

Coast Guard on scheduled mariner information broadcasts

-FM continuous mariner weather broadcasts provided by the National Weather Service

D,all of the above

on

watch,you

notice

that

air

temprrature

is

dropping

and

is

approaching

the

dew

point .Which type of weather should be forecasted?

rain C. Sleet

D. Fog

spaced isobars on a weather map indicate

A. high winds

B. gentle breezes

C,. ice,snow,or frozen rain

D. probabilily of tornados

78. . ___ low ely slwly with cold front FM CEN to 12N 179W and warm front FM CEN to 11N

171W.

A. SHLW

b. SCTD

c. OBS

d. SW

79. ______ rain means it rains in some parts of the area

．

A.

Squally

B.

Isolated

C.

Scattered

D.

Occasional

80. Especially in adverse weather

，

risk of collision with an offshore supply vessel increases when

the vessel is moored to what side of the unit? ______.

A.

Upwind

B.

Downwind

C.

Crosswind

D.

Downcurrent

AST

TAIWAN

RYUKYU

PARTL

Y

CLOUDY

SKIES

WITH

ISOLATED

SHOWERS

WIND

NORTHEASTL

Y

ZERO

FIVE

TO

ONE

FIVE

KNOTS

SEA

MAINL

Y

weather in this area is

.

A CLOUDY

CLOUDY

ST

(SOUTH)

WIND

NORTH

10

KNOTS

ISOLATED

SHOWERS

SEA

SLIGHT

STOP..This phase is a

.

A. forecast

g

analysis

D. general

introduction

83. The apparent wind's speed can be zero only when two conditions are present. One condition is

that the true wind ______.

A.

must

be

from

dead

ahead

B.

speed

must

be

zero

C.

must

be

from

dead

astern

D.

must be on the beam

dense black cumulonimbus clouds surrounding the eye of a hurricane are called

.

A. spiral rain bands

B. cloud walls

C. funnel clouds

D. cyclonic spirals

n

Karen

warning

one

three

pt

one

north

one

four

eight

pt

two

east

at

based on 102200z recon typhoon is in

.

A. the high latitude of the Northern Hemisphere

B. the high latitude of the Southern Hemisphere

C. the low latitude of the Northern Hemisphere

D. the low latitude of the Southern Hemisphere

r conditions in the middle latitudes generally move

.

A. eastward

B. westward

C. northward

ard

87. A low

，

uniform layer of cloud resembling fog

，

but not resting on the ground

，

is called ______.

A.

cumulus

B.

nimbus

C.

stratus

D.

cirrus

observing a rapid rise in barometric pressure ,you may except

.