RTD calibration
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RTD calibration
How do you determine the error in temperature measurement?
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- Why do we need to calibrate temperature measuring devices?(a) An infrared gas analyser has a span of 01% of the component being measured. It operates at atmospheric pressure and was calibrated when the barometric pressure was 0.995 bar. The barometric pressure changes to 1.015 bar. What will the instrument read when the actual percentage of the component is (i) 0.5% (ii) 0.8%?Differentiate the Measuring liquid and Measuring solid being compared on the two instances in terms of sensitivity.
- A core was mounted in a gas permeameter to measure permeability. Determine the liquid permeability (mD) of the core using gas (in oilfield units). The laboratory data are as follows: Diameter of the core = 3.78 cm Length of the core = 7.63 cm Gas viscosity = 0.0148 cP Flow rate = 9.07 cm3/s P1 = 1.439 atm P2 = 1.086 atmDiscuss in detail the procedures and methods on how to acquire results or data using a thermogravimetric analysis.4 ) Every temperature measuring instrument makes use of specific physical property in order to measure temperature objectively . Which physical properties are used in thermocouple , PT sensors and mercury - in - glass thermometer ? Briefly describe each of this methods.
- 10. Which measuring instrument should be preferred to convert qualitative measurement with thermochromic liquid crystals to quantitative data. A) Resistance Temperature Detector B) Thermocouples C) Bimetallic thermometers D) Thermal CameraFor a specified heat input and a given volume which material will have the smallest tempera- ture rise (Use data book if necessary) (a) steel (b) aluminium (c) water (d) copper. When a hot metal piece is left to cool in air the time rate of cooling of the outer layer will be (a) slower at start and faster near the end (b) faster at start and slower near the end (c) both rates will be the same (d) this will depend on the material. (viii) A thin black plate at temperature T receives radiation from a surface at Temperature T1 and radiates to a surface at T2. If all surfaces are black at steady state (a) (T1 – T) > (T – T2) (b) (T1 – T) < (T – T2) (c) (T1 – T) = (T – T2) (d) can be any one of a, b or c. (ix) The temperature profile (in) a slab initially at a constant temperature and then allowed to cool by convection for a short time will be as shown in Fig : (a) E1.2a (b) E1.2b (c) E1.2c (d) E1.2d. TiWhen it comes to measuring temperatures, computer-based instrumentation is the way to go since it incorporates the device's own knowledge and temperature management circuitry.
- Please help and answer completely, i will surely give a good feedback. Thank you. Refer to the picture attached. The following pressure, temperature and specific humidity measurementswere made from radiosonde soundings on day 11 of the Wangara PBLexperiment: A. Characterize the various layers on the basis of local and nonlocal stability and discuss the differences between the two. B. Estimate the height of the inversion base (zi), as well as the PBL height (h). Discuss the sensitivity of the latter to the near-surface temperature. Answer in the format of Given, Required, & Solution.Which device would you recommend for use in the following cases: taking the temperatures of patients in a doctor’s office, monitoring the variations of temperature of a car engine block at several locations, and monitoring the temperatures in the furnace of a power plant?An oxygen bomb calorimeter was calibrated using a 0.325 g of benzoic acid (∆U = -6316 cal/g), which gave a temperature rise of 1.48 degrees C. What is the calorimeter constant in J/K?A. 4245B. 5120C. 5803D. 6221