AK- type thermocouple is used to measure the temperature in a heating process. The length of the bare material is 110mm and thickness is 1.25mm. Find the time constant of the bare material. Type of Thermo-coupleMaterial K(W/m-k) Q (kg/m)S (J/Kg- oc) J Iron- Constantan 46 8535 345 Kromel- Alumel 35 8738 380 T Copper- Constantan 160 8902 316 Cromel - Contantan 33 8825 336 Nicrocil- Nisil 34 8702 376 Pt(30%)Rhodium - Pt(6%)Rhodium 19 15718 56 Platinum(13%)Rodium - Platinum 55 16628 99 Platinum(10%)Rodium - Platinum 52.9 16745 99 Time constant of the bare material is, T=

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A K- type thermocouple is used to measure the temperature in a heating process. The length of the bare
material is 110mm and thickness is 1.25mm. Find the time constant of the bare material.
Type of Thermo-coupleMaterial
K(W/m-k) Q (kg/m³)S (J/Kg- oc)
Iron- Constantan
46
8535
345
Kromel- Alumel
35
8738
380
IT
Copper- Constantan
160
8902
316
Cromel - Contantan
33
8825
336
Nicrocil- Nisil
34
8702
376
Pt(30%)Rhodium - Pt(6%)Rhodium 19
15718
56
Platinum(13%)Rodium - Platinum 55
16628
99
Platinum(10%)Rodium - Platinum 52.9
16745
99
Time constant of the bare material is, T=
Transcribed Image Text:A K- type thermocouple is used to measure the temperature in a heating process. The length of the bare material is 110mm and thickness is 1.25mm. Find the time constant of the bare material. Type of Thermo-coupleMaterial K(W/m-k) Q (kg/m³)S (J/Kg- oc) Iron- Constantan 46 8535 345 Kromel- Alumel 35 8738 380 IT Copper- Constantan 160 8902 316 Cromel - Contantan 33 8825 336 Nicrocil- Nisil 34 8702 376 Pt(30%)Rhodium - Pt(6%)Rhodium 19 15718 56 Platinum(13%)Rodium - Platinum 55 16628 99 Platinum(10%)Rodium - Platinum 52.9 16745 99 Time constant of the bare material is, T=
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