A J- type thermocouple is used to measure thetemperature in a heating process. The length ofthe bare material is 120mm and thickness is1.5mm. Find the time constant of the bare material.уре ofThermo-MaterialK (QW/m-(kg/m3)k)IS|(J/Kg-oc)coupleJIron- Constantan468535345KKromel- Alumel358738380ITCopper- Constantan 160 8902316Cromel - Contantan338825336Nicrocil- Nisil348702376Pt(30%)Rhodium -191571856Pt(6%)RhodiumPlatinum(13%)Rodium,5516628 99- PlatinumPlatinum(10%)Rodium52.9 1674599PlatinumTime constant of the bare material is, T=

Given: Length of bare material (L) = 120 mm Thickness (t) = 1.5 mm Density (Q) = 8535 kg/m3 Specific…

Answered: A J- type thermocouple is used to…

A J- type thermocouple is used to measure the temperature in a heating process. The length of the bare material is 120mm and thickness is 1.5mm. Find the time constant of the bare material.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

A J- type thermocouple is used to measure the
temperature in a heating process. The length of
the bare material is 120mm and thickness is
1.5mm. Find the time constant of the bare material.
уре of
Thermo-Material
K (
Q
W/m-
(kg/m3)
k)
IS
|(J/Kg-
oc)
couple
J
Iron- Constantan
46
8535
345
K
Kromel- Alumel
35
8738
380
IT
Copper- Constantan 160 8902
316
Cromel - Contantan
33
8825
336
Nicrocil- Nisil
34
8702
376
Pt(30%)Rhodium -
19
15718
56
Pt(6%)Rhodium
Platinum(13%)Rodium,
55
16628 99
- Platinum
Platinum(10%)Rodium
52.9 16745
99
Platinum
Time constant of the bare material is, T=

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