USCG Auxiliary AUXWEA Questions and Answers 100% Correct

USCG Auxiliary AUXWEA Questions and Answers 100% Correct 1-1 On a weather map, cold fronts are ind icated by ________ symbols and warm fronts by _______ symbols. a. dark, light b. triangle, semicircle [2] c. circle, triangle d. semicircle, triangle 1-2 To represent a warm or cold front on a weather map, the appropriate symbol is drawn on the side toward which a. the wind is blowing b. the center of low pressure is located c. the front is moving [2] d. the air is colder 1-3 If triangles and semicircles are shown on opposite sides of the same frontal boundary, the front is a. cold b. occluded c. stationary [2] d. warm 1-4 Near a cold front, ______ air is advancing and replacing the ______ air on the other side. a. cold, warm [2] b. cloudy, clear c. moist, dry d. windy, calm 1-5 The approach of deteriorating weather is indicated by a a. falling hygrometer b. rising barometer c. falling barometer [3] d. falling speedometer 1-6 For best results, an outdoor thermometer should be a. bought from a hardware store b. mounted in a shady spot [3] c. filled with colored water d. read on cloudy days 1-7 Humidity is measured by an instrument called a/an a. atomizer b. humidifier c. hygrometer [4] d. moisturizer 1-8 The amount of moisture actually in the air, as a _______ of what the air could contain, is called the _______ humidity. a. ratio, measured b. percentage, relative [4] c. fraction, atmospheric d. percentage, partial 1-9 The maximum amount of moisture air can contain _______ as the air temperature ______. a. decreases, decreases [4] b. increases, decreases c. decreases, increases d. stays the same, increases 1-10 Increasing wind speed is a sign that a _______ is _______ . a. high, approaching b. front, departing c. front, approaching [4] d. low, receding 1-11 A north wind blows from the compass direction a. 360 or 000 [4] b. 270 c. 180 d. 090 1-12 If the wind changes direction from 240 to 280 degrees, it is said to be a. backing b. gusting c. turning d. veering [5] 1-13 You are facing NE, and the wind is at your back. According to the Buys Ballot rule, there is lower pressure a. to the SE b. to the SW c. to your left [5] d. behind you 1-14 Clouds of the _______ form indicate that there is little or no vertical motion of the air, whereas clouds of the _______ form indicate that up- and down-drafts are present. a. cumulus, stratus b. stratus, nimbus c. stratus, cumulus [5] d. stratus, cirrus 1-15 Clouds are divided into ______ , ______ , and ______ families according to the heights of their bases. a. high, middle, low [5] b. low, high, extensive vertical development c. stratus, cumulus, cirrus d. high, low, surface 1-16 Clouds of extensive vertical development include a. stratocumulus and cumulonimbus b. towering cumulus and nimbostratus c. towering cumulus and cumulonimbus [6] d. nimbostratus and cumulonimbus 1-17 The prefix "nimbo" or suffix "nimbus" is attached to a cloud form when it is a. dissipating b. lowering c. raining [6] d. thickening 1-18 An approaching cold front would be ind icated by ______ , ______, and ______ clouds. a. cirrus, cirrocumulus, altocumulus [6] b. cirrus, cirrostratus, altostratus c. cirrus, cirrocumulus, nimbostratus d. altocumulus, cirrocumulus, cirrus 1-19 An approaching warm front would be ind icated by ______ , ______, and ______ clouds. a. cirrus, cirrocumulus, altocumulus b. cirrus, cirrostratus, altostratus [6] c. cirrus, cirrocumulus, nimbostratus d. altocumulus, cirrocumulus, cirrus 1-20 With your arm stretched out and your bottom finger on the horizon, you observe that the cloud base loses detail at a point on a sight line that is half your hand high. You estimate the height of the cloud base to be ______ feet. a. 2,500 [6, 7] b. 5,000 c. 10,000 d. 25,000 2-1 The most important cause of weather is a. gravity b. latent heat of condensation c. uneven solar heating [11] d. regions of high and low pressure 2-2 Winds generally blow a. during daytime b. toward areas of low pressure [11] c. toward areas of high pressure d. toward areas of low density 2-3 Half the water vapor in the atmosphere is found a. above the dew point b. below the troposphere c. below the tropopause d. below 6500 feet above sea level [12] 2-4 The proportions of dry constituents in the atmosphere a. are always the same [12] b. decrease as moisture increases c. vary with density d. vary with temperature 2-5 Density is the ______ of a substance divided by its ______. a. pressure, area b. weight, volume [13] c. weight, area d. pressure, volume 2-6 A temperature of 77 oF is equal to ___ oC. a. 11 b. 25 [13] c. 61 d. 75 2-7 A temperature of 35 oC is equal to ___ oF. a. 31 b. 51 c. 95 [13] d. 121 2-8 Which of the following statements are true? a. A quart of air at 70 oF contains less heat than a quart of water at 70 oF. b. A pint of air at 70 oF contains less heat than a quart of air at 70 oF. c. A quart of air at 50 oF contains less heat than a quart of air at 70 oF. d. All of the above. [14] 2-9 Pressure is proportional to the product of a. absolute temperature and density [14] b. temperature and absolute density c. temperature and absolute humidity d. absolute temperature and humidity 2-10 Which is heavier, a pound of air or a pound of iron? a. The air b. The iron c. Neither, they have the same density d. Neither, but the iron is more dense [13] 2-11 An Auxiliarist weighing 150 pounds stands on a scale with an area of half a square foot. A weight of 300 pounds sits on a piece of plywood with an area of one square foot. a. The pressure on the scale is less than the pressure on the plywood. b. The pressure on the scale is the same as the pressure on the plywood. [14] c. The pressure on the scale is more than the pressure on the plywood. d. There is more weight on the scale. 2-12 When air is free to expand, its temperature may be changed by a. changing its volume b. adding heat energy c. removing heat energy d. all of the above [14, 15] 2-13 If the volume of some air increases by ten percent, but the temperature of the air remains constant, the air pressure will a. decrease by ten percent [15] b. increase by ten percent c. not change d. be proportional to the volume 2-14 Standard atmospheric temperature and pressure at sea level are a. 59 oF and 29.92 inches of mercury b. 15 oC and 29.92 millibars c. 15oC and 1013.2 millibars d. either a. or c. [16] 2-15 Standard values of atmospheric temperature, pressure, and density a. are world wide averages b. are different at different altitudes c. both of the above [16] d. none of the above 2-16 Almost all of the earth's weather occurs a. in the tropopause b. in the troposphere [16] c. below an altitude of 6500 feet d. above the tropopause