What is the purpose of elevating the Stevenson screen on four legs at a height of 121 cm and maintaining the thermometer bulbs at a standardized height of 125 cm?

To enhance the aesthetics of the weather station

To prevent heat absorption from the ground

To facilitate easy transportation of the station

To increase the visibility of the instruments

Why are barometers and barographs recommended to be positioned away from strong air currents, direct sunlight, and heat sources?

To reduce the risk of corrosion

To prevent interference with temperature readings

To maintain the accuracy of pressure measurements

To prolong the lifespan of the instruments

Why should the rain gauge be located in an open space with clearance from the nearest object double its height?

To prevent interference from birds

To ensure accurate measurement of rainfall

To protect the gauge from theft

To minimize the impact of wind on readings

What is the purpose of positioning barometers and barographs away from strong air currents, direct sunlight, and heat sources in a weather station?

To prevent interference with wind vane readings

To ensure accurate temperature measurements

To avoid damage from rain and snow

To maintain the instruments' proper functionality

Why is it important to locate the rain gauge in an open space with clearance from nearby objects in a weather station setup?

To prevent interference from wind patterns

To avoid contamination of collected rainwater

To ensure accurate measurement of rainfall

To protect the rain gauge from freezing temperatures

What components are typically found in an anemometer used for measuring wind speed?

Rotating metal arms and fixed cups

Why is it important to place wind vanes and anemometers away from obstructions like buildings and trees?

To prevent interference with air movements

To increase the accuracy of temperature readings

To enhance the visual appeal of weather stations

To reduce the impact of humidity on wind measurements

Why should thermometers be placed clear of heat-radiating structures in a weather station layout?

To prevent condensation on the thermometer bulb

To avoid inaccuracies in temperature readings

To protect the thermometer from wind damage

To ensure proper calibration of the thermometer

How is temperature typically measured, and why is shade temperature preferred in temperature gauging?

Using a thermograph due to its accuracy

Using a barometer for precise measurements

Using a thermometer or thermograph; shade temperature is preferred to avoid influence from direct sunlight and cloud cover

Using a hygrometer for humidity control

How does a thermograph function, and what key component enables it to record temperature variations over time?

It uses a digital sensor to measure temperature changes

It relies on a bimetallic strip that deforms with temperature changes, translating them onto graph paper

It utilizes a radioactive element to emit temperature readings

It operates based on a liquid-filled tube expanding and contracting with temperature shifts

How does the temperature of the air influence its capacity to retain water vapor?

Cold air can retain more water vapor than warm air

Air temperature has no impact on moisture retention

Warm air can hold more water vapor than cold air

Temperature affects air density, not moisture content

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