This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and Health, Subject name: Social & Preventive Medicine
Kata Thermometer is used to measure- 
Select and explain. 
A. Maximum temperature, B. Minimum temperature, C. Radiant heat, D. Cooling power of air
D: Cooling power of air
Answer: D: Cooling power of air 
Explanation: Ans. is 'd' i.e., Cooling power of air Instruments MeasureSling psychrometer} Assmann psychrometerHumidityDry & wet bulb hygrometer Kata thermameter-Cooling power and air velocityGlobe thermameter-Radiant tempratureAnemometer-Air velocityWind vane-Wind (air) directionSound level meter-Intensity of soundBond frequency analyzer-Characteristic (pitch) of sound