Question 922Navigation General
70% to passWhich instrument is used to measure the relative humidity of the air?
A
A spectrometer
B
A hydrometer
C
A hygrometer
D
A barograph
AI Explanation
The correct answer is C) A hygrometer. A hygrometer is the instrument used to measure the relative humidity of the air. Relative humidity is a measure of the amount of moisture in the air compared to the maximum amount of moisture the air can hold at a given temperature. Hygrometers detect changes in moisture content and provide a measurement of the relative humidity. The other answer choices are incorrect because: A) A spectrometer is used to analyze the spectrum of light, B) A hydrometer measures the density of liquids, and D) A barograph measures changes in atmospheric pressure over time.
Related Questions
Q@q.QuestionNumber:A white buoy with an orange rectangle on it is used to indicate _______________.
Q@q.QuestionNumber:How long would a steady wind need to blow in order to create a wind driven curre...
Q@q.QuestionNumber:When using a mechanical (windup type) marine chronometer, how often should it be...
Q@q.QuestionNumber:Which type of cloud formation should be of immediate concern to small craft oper...
Q@q.QuestionNumber:A storm's track is characterized by all of the following except _______________.
Ready to test your knowledge?
Take a Navigation General Practice ExamOfficial Resources
Want to practice with timed exams?
Download Coast Guard Exams for the full exam experience.
Get the App