A J- type thermocouple is used to measurethe temperature in a heating process.Sheath material used is SS316. The lengthof the sheath is 14mm and thickness is0.3mm. Find the time constant of thesheath.Q"(kg/m³)(J/Kg K(W/m-k)|- °c)MaterialPlatinum2145013071.6SS304803050021.4SS316799050021.4SS410775046024.9Air1.2010050.025MgO Powder358087726.8Siliconcompound3210800Time constant of the bare material is, T=

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A J- type thermocouple is used to measure the temperature in a heating process. Sheath material used is SS316. The length of the sheath is 14mm and thickness is 0.3mm. Find the time constant of the sheath. Material Q"(kg/m³)(J/Kg K(W/m- |- °c) k) Platinum 21450 130 71.6 SS304 8030 500 21.4 SS316 7990 500 21.4 SS410 7750 460 24.9 Air 1.20 1005 0.025 MgO Powder 3580 877 26.8 Silicon compound 3210 800 3

A J- type thermocouple is used to measure the temperature in a heating process. Sheath material used is SS316. The length of the sheath is 14mm and thickness is 0.3mm. Find the time constant of the sheath. Material Q"(kg/m³)(J/Kg K(W/m- |- °c) k) Platinum 21450 130 71.6 SS304 8030 500 21.4 SS316 7990 500 21.4 SS410 7750 460 24.9 Air 1.20 1005 0.025 MgO Powder 3580 877 26.8 Silicon compound 3210 800 3

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter19: Special-purpose Outlets-water Pump, Water Heater

Section19.2: Water Heater Branch Circuit

Problem 8R: For residential water heaters, the Consumer Product Safety Commission suggests a maximum temperature...

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