Description : Dry-bulb temperature is: a. The absolute temperature corresponding to the atmospheric pressure b. The same as the wet-bulb temperature if the relative humidity is less than 100% c. Not required ... d. The temperature of the air measured with an ordinary thermometer e. The dew point temperature
Last Answer : Answer: D
Description : The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity. (A) 0 (B) 100 (C) 50 (D) None of these
Last Answer : Option B
Description : Combination of Dry bulb and Wet bulb thermometer used for
Last Answer : Ans. Relative Humidity
Description : Wet-bulb temperature is: a. The temperature indicated by a thermometer whose bulb covered by a water-wetted wick and exposed to a rapidly moving stream of air b. The same as the dry-bulb ... point temperature d. Always less than the dry-bulb temperature e. Not required to find the relative humidity
Last Answer : Answer: A
Description : The temperature of air recorded by thermometer when the bulb is covered by a cotton wick saturated by water is called as A. dry bulb temperature B. wet bulb temperature C. stream temperature D. psychrometric temperature
Last Answer : ANSWER : B
Description : For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of h2 /ky .Cz is around (A) 0.60 (B) 0.24 (C) 1 (D) 0.72
Last Answer : (C) 1
Description : How Do You Measure Temperature In A Wet Bulb Thermometer?
Last Answer : Wet bulb temperature is measured in a wet bulb thermometer by covering the bulb with a wick and wetting it with water. It corresponds to the dew point temperature and relative humidity.
Description : When the difference in the temperature of the wet-bulb thermometer and dry-bulb thermometer is large, what does it indicate about the air? w) it is very dry x) it is nearly saturated y) it is very warm z) it is very cold
Last Answer : ANSWER: W -- IT IS VERY DRY
Description : What is Psychrometer ? Explain dry bulb thermometer & wet bulb thermometer.
Last Answer : Psychrometers are instruments used for measuring relative humidity. Explanation:- A psychrometer, or wet-and-dry-bulb thermometer, consists of two thermometers, one that is dry and one ... thermometer and the difference in temperatures as shown by the wet-bulb and dry-bulb thermometers.
Description : With the help of suitable diagram, explain how humidity is measured with dry and wet bulb thermometer.
Last Answer : Explanation:- 1. A psychrometer, or wet-and-dry-bulb thermometer, consists of two thermometers, one that is dry and one that is kept moist with distilled water on a sock or ... , and in the HVAC industry for proper refrigerant charging of residential and commercial air conditioning systems.
Description : Speed of wind is measured by – (1) barometer (2) hygrometer (3) thermometer (4) anemometer
Last Answer : (4) anemometer Explanation: An anemometer is a device for measuring wind speed, and is a common weather station instrument. The term is derived from the Greek word anemos, meaning wind, ... aerodynamics. The first known description of an anemometer was given by Leon Battista Alberti around 1450.
Description : Which instrument is used for measuring humidity of atmosphere? (1) Barometer (2) Anemometer (3) Thermometer (4) Hygrometer
Last Answer : 4. Hygrometer Explanation: A hygrometer, also known as a psychrometer, is used to measure the humidity in the air.
Description : Which of the following instruments is used to measure humidity? (1) Kata Thermometer (2) Anemometer (3) Sling Psychrometer (4) Clinical Thermometer
Last Answer : (3) Sling Psychrometer Explanation: A psychrometer consists of two thermometers, one which is dry and one which is kept moist with distilled water on a sock or wick. The two thermometers are ... is sometimes used for field measurements, but is being replaced by more convenient electronic sensors.
Last Answer : Anemometer
Description : The instrument used to measure pressure (1) Anemometer (2) Aneroid Barometer (3) Hygrometer (4) Thermometer
Last Answer : Aneroid Barometer
Description : An instrument used to measure humidity is: (1) Anemometer (2) Hygrometer (3) Thermometer (4) Pyrheliometer
Last Answer : Hygrometer
Description : Which of the following instruments is used to measure humidity ? (1) Kata Thermometer (2) Anemometer (3) Sling Psychrometer (4) Clinical Thermometer
Last Answer : Sling Psychrometer
Description : Speed of wind is measured by (1) barometer (2) hygrometer (3) thermometer (4)anemometer
Last Answer : anemometer
Description : Why is the Stevenson screen constructed with a slanted double roof?
Last Answer : Feel Free to Answer
Description : Explain the following a) Dry Bulb Temperature and Wet bulb Temperature b) Maximum Demand and Power Factor c) Gross Calorific Value & Net Calorific Value d) 5S & Return of Investment (ROI) e) CUSUM
Last Answer : a) Dry Bulb Temperature and Wet bulb Temperature Dry bulb Temperature is an indication of the sensible heat content of air-water vapour mixtures Wet bulb Temperature is a measure of ... of capital cost. This is a broad indicator of the annual return expected from initial capital investment
Description : Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ? (A) Invar (B) Constantan (C) Chromel (D) Alumel
Last Answer : (A) Invar
Description : My iphone got wet. it is still working except for the first two lines of features on screen are not responding what to do?
Last Answer : Was the iPhone immersed in water or what? How long has it been since it has dried out?
Description : Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of __________ as mercury does not amalgamate with it. (A) Copper (B) Copper alloys (C) Stainless steel (D) Monel
Last Answer : (C) Stainless steel
Description : Where did pattianne stevenson live when she was little?
Last Answer : Need answer
Description : The author of the book ?Time machine? is: A. Lewis Carroll B. Robert Louis Stevenson C. Charles Lamb D. H.G. Wells
Last Answer : D. H.G. Wells
Description : Which of the names differs from the rest? (A) Walter Scott (B) Arthur Conan Doyle (C) Robert Stevenson (D) George Bernard Shaw
Last Answer : D (D is an Irish dramatist; the rest are Scottish writers.)
Description : Telephone was invented by (1) Alexander Graham Bell (2) Baird (3) Stevenson (4) Newton
Last Answer : Alexander Graham Bell
Description : Who invented aeroplane ? (1) Edison (2) Stevenson (3) Hoffman (4) Wright Brothers
Last Answer : Wright Brothers
Description : A psychrometer (pron: si-'kro-me-ter) is used to measure humidity. It consists of two thermometers, one of which is wetted. The water is allowed to evaporate. Which thermometer reads the higher temperature. w) the wet one x) the dry one
Last Answer : ANSWER: X -- THE DRY ONE
Description : Which of the following cements contains maximum percentage of dicalcium silicate? (A) Ordinary Portland cement (B) Low heat cement (C) Rapid hardening cement (D) Sulphate resisting cement
Last Answer : Answer: Option B
Description : ------- is used for measuring velocity? A. Speedometer (Answer) B. Anemometer C. Odometer D. Hygrometer
Last Answer : A. Speedometer (Answer)
Description : Why would an ordinary, white screw-in flourescent bulb start glowing entirely in a bright pinkish lavender color?
Last Answer : answer:It’s gonna esplode!!! Actually I have no idea
Description : Which of the following is an example of inertia sensor? A : Thermometer B : Accelerometer C : Touch screen D : TV Remote
Last Answer : B : Accelerometer
Description : What is the relative humidity when the dry bulb temperature is 16 and the wet bulb is 14 celcius?
Description : Sling psychrometer is used to measure A. only dry bulb temperature B. only wet bulb temperature C. dry and wet bulb temperature D. relative humidity
Last Answer : ANSWER : C
Description : Relative humidity is a) the ratio of water vapour in the air compared to the total amount water vapour the air could contain at a given temperature b) equal to the dry bulb temperature divided by the wet bulb ... of dry air e) the ratio of the mass of water vapour divided by the mass of wet air
Last Answer : ANSWER : A
Description : At any point on the saturation curve in psychometric chart, the dry bulb temperature is always A. less than the corresponding wet bulb temperature B. more than the corresponding wet bulb temperature C. equal to the corresponding wet bulb temperature D. cannot predict
Description : Humidification is the process of addition moisture in air at A. constant wet bulb temperature B. constant dry bulb temperature C. constant latent heat D. none of the above
Description : At 100% relative humidity, the wet bulb temperature is A. lower than the dew point temperature B. higher than the dew point temperature C. equal to the dew point temperature D. none of the above
Description : The dew point temperature is less than the wet bulb temperature for A. saturated air B. unsaturated air C. both saturated and unsaturated air D. none of the above
Description : On psychrometric chart, wet bulb temperature lines are A. horizontal with uniformly spaced B. horizontal with non-uniformly spaced C. inclined with uniformly spaced D. inclined with non-uniformly spaced
Last Answer : ANSWER :C
Description : When dry bulb temperature (DBT) and wet bulb temperature (WBT) are measured, greater the difference between DBT and WBT, A. greater the amount of water vapour held in the mixture B. smaller the amount of ... the mixture C. same the amount of water vapour held in the mixture D. none of the above
Description : Which temperature can be measured by an instrument called psychrometer? A. dry bulb temperature B. wet bulb temperature C. both a. and b. D. none of the above
Description : __________ is the temperature at which a gas-vapor mixture becomes saturated, when cooled at constant total pressure out of contact with a liquid. (A) Dew point (B) Bubble point (C) Dry bulb temperature (D) Wet bulb temperature
Last Answer : (A) Dew point
Description : Which of the following remains constant during evaporative cooling process with recirculated water supply? (A) Relative humidity (B) Partial pressure of vapour (C) Wet bulb temperature (D) None of these
Last Answer : (C) Wet bulb temperature
Description : Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air? (A) Dry bulb temperature (B) Dew point (C) Wet bulb temperature (D) None of these
Description : Dry bulb temperature of unsaturated air is more than its __________ temperature. (A) Dew point (B) Wet bulb (C) Both 'a' & 'b' (D) Neither 'a' nor 'b
Last Answer : (C) Both 'a' & 'b