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UPSC NDA and NA Humidity Quiz 1

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UPSC NDA and NA Humidity Quiz 1

shape Introduction

Physics is a very important subject for Railway Recruitment exams and UPSC Exams. UPSC NDA and NA Prelims Exam is the combination of Mathematics and General Ability. Humidity is one of the most important topics in the General Ability section. All these questions are easily understandable format. UPSC NDA and NA Humidity Quiz 1 is very useful to get the maximum marks from the General Ability sections. Candidates can check the daily updates at UPSC Official Website

shape Pattern

Paper Mode Subject Marks Duration
Paper-I Mathematics 200 Marks 2 hours
Paper-II General Ability 200 Marks 2 hours
UPSC NDA and NA Syllabus

shape Samples

1. Point at which gases turn in to liquid is called its
    A. peak point B. dew point C. converting point D. equilibrium point

Answer: Option B
2. Amount of water vapor in air is regarded as
    A. water vapor B. humidity C. mildness D. pressure

Answer: Option B
3. Factor influencing humidity includes
    A. water B. temperature C. pressure D. osmosis

Answer: Option B
4. Comparative ration between humidity of certain area with maximum limit is called
    A. relative strength B. relative humidity C. ultra humidity D. mild humidity

Answer: Option B
5. Instrument used to measure humidity is the
    A. barometer B. thermometer C. psycho meter D. spring meter

Answer: Option C
6. Relative humidity is:
    A. The moisture present in a body of air expressed as a percentage of saturation at the existing temperature B. The moisture in a body of air, in grams per cubic meter C. The temperature at which moisture will condense from a body of air D. The ratio of actual moisture in a volume of air to the moisture that would exist at optimum comfort in a similar volume

Answer: Option A
7. The difference between an RTD calibrated to the NR 226 curve and one calibrated to the NR 227 curve is:
    A. A different resistance-to-temperature relationship B. Nonexistent C. Greater accuracy with the NR 226 curve D. Greater accuracy with the NR 227 curve

Answer: Option D
8. When a wet and dry bulb psychrometer is read to determine relative humidity:
    A. The dry bulb will read lower than the wet bulb B. The two thermometers may read the same C. The wet bulb will read slower than the dry-bulb D. A formula may be employed to relate the wet-bulb reading to relative humidity

Answer: Option C
9. The purpose of using extension lead wires that have the same thermoelectric characteristics as the thermocouple is to:
    A. Prevent corrosion at all junctions B. Extend the reference junction back to the instrument C. Prevent creating an unwanted reference junction D. Make the thermocouple system operate in standard fashion5

Answer: Option B
10. A hygrometer is
    A. Convenient for measuring specific gravity B. An instrument that measures gas weight C. Any instrument that measures moisture content D. Another name for psychrometer

Answer: Option C
11. What is humidity sensor?
    A. Hygrometer B. Gyroscope C. Sesimoscope D. Sundial

Answer: Option A
12. Units for Humidity sensor____________
    A. Dew/fost point or Relative Humidity B. Relative Humidity or Parts Per Million C. Dew/fost point or Parts Per Million D. Dew/fost point or Parts Per Million or Relative Humidity

Answer: Option D
13. Humidity sensors are divided into how many types and depending on what?
    A. 2 types depending on output B. 2 types depending on measurement units C. 3 types depending on measurement units D. 3 types depending on output

Answer: Option B
14. Relative humidity is a function of ________
    A. Ambient temperature B. Water vapor pressure C. Ambient temperature and Water vapor pressure D. Dryness

Answer: Option C
15. Units for Absolute Humidity is ________
    A. grams/m3 B. % by volume C. PPMV D. %

Answer: Option A

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