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_8. A thermocouple with test junction at t°C on gas thermometer scale and reference junction at ice point gives the e.m.f. as : e = 0.20 t-3x 104² mV. The millivoltmeter is calibrated at ice and steam points. What will be the reading on this thermometer where the gas thermometer reads 70°C ? A) 75 °C B) 77 °C C) 82 °C D) 85 °C

_8. A thermocouple with test junction at t°C on gas thermometer scale and reference junction at ice point gives the e.m.f. as : e = 0.20 t-3x 104² mV. The millivoltmeter is calibrated at ice and steam points. What will be the reading on this thermometer where the gas thermometer reads 70°C ? A) 75 °C B) 77 °C C) 82 °C D) 85 °C

Elements Of Electromagnetics
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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_8. A thermocouple with test junction at t°C on gas thermometer scale and reference junction at ice point gives the e.m.f. as : e = 0.20 t-5 x 1044² mV. The millivoltmeter is calibrated at ice and steam points. What will be the reading on this thermometer where the gas thermometer reads 70°C ? A) 75 °C B) 77 °C C) 82 °C D) 85 °C _9. A temperature scale of certain thermometer is given by the relation t= a In p+b where a and b are constants and p is the thermometric property of the fluid in the thermometer. If at the ice point and steam point the thermometric properties are found to be 1.5 and 7.5 respectively what will be the temperature corresponding to the thermometric property of 3.5 on A Rankine scale. A) 52.63 B) 126.73 C) 586.73 D) 325.63 _10.Estimate the mass of a piston that can be supported by a gas entrapped under the piston in a 200 mm diameter vertical cylinder when a manometer indicates a difference of 117 mm of Hg column for the gas pressure. A) 40 kg B) 50 kg C ) 60 kg D) 90 kg
Transcribed Image Text:_8. A thermocouple with test junction at t°C on gas thermometer scale and reference junction at ice point gives the e.m.f. as : e = 0.20 t-5 x 1044² mV. The millivoltmeter is calibrated at ice and steam points. What will be the reading on this thermometer where the gas thermometer reads 70°C ? A) 75 °C B) 77 °C C) 82 °C D) 85 °C _9. A temperature scale of certain thermometer is given by the relation t= a In p+b where a and b are constants and p is the thermometric property of the fluid in the thermometer. If at the ice point and steam point the thermometric properties are found to be 1.5 and 7.5 respectively what will be the temperature corresponding to the thermometric property of 3.5 on A Rankine scale. A) 52.63 B) 126.73 C) 586.73 D) 325.63 _10.Estimate the mass of a piston that can be supported by a gas entrapped under the piston in a 200 mm diameter vertical cylinder when a manometer indicates a difference of 117 mm of Hg column for the gas pressure. A) 40 kg B) 50 kg C ) 60 kg D) 90 kg
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