Related Questions

Which of the following thermocouples has the widest temperature measurement range?
A Iron-constantan
B Chromel-alumel
C Copper-constantan
D Platinum-platinum/rhodium
All the thermocouples used for temperature measurement use dissimilar metal
A Strips
B Bars
C Wires
D Beads
Thermocouples are mainly used for the measurement of
A Temperature
B Resistance
C Eddy currents
D Coupling co-efficient
Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature?
A Platinum-platinum + rhodium
B Iron-constantan
C Chromel-constantan
D All of the above
Which of the following thermocouples can measure the maximum temperature?
A Platinum-rhodium
B Tungsten-molybdenum
C Chromel-alumel
D Iron-constantan
Thermal well made of __________ gives the fastest speed of response, while measuring temperature by thermocouples.
A Steel
B Vycor (a glass)
C Nichrome
D Inconel
The thermal emf-temperature relationship of most thermocouples is
A Linear
B Parabolic
C Exponential
D Square root
In thermocouples which of the following pairs is commonly used ?
A Copper-constantan
B Aluminium-tin
C Silver-German silver
D Iron-steel
Constantan an alloy used in thermocouples is an alloy of
A Copper and tin
B Copper and zinc
C Copper and iron
D Copper and nickel
__________ is not used as a material of construction in thermocouples.
A Alumel
B Rhodium
C Constantan
D Duralumin

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