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
Which of the following thermocouples has the least temperature measurement range?
A Copper-constantan
B Chromel-alumel
C Platinum-platinum/rhodium
D Iron-constantan
Thermocouples are mainly used for the measurement of
A Temperature
B Resistance
C Eddy currents
D Coupling co-efficient
Your company uses both Ethernet and token-ring LAN's in the same building. Users need access to resources and the ability to transmit data between the LAN's. Which device would you use to enable communications between dissimilar LAN's that use different protocols?
A bridge
B router
C gateway
D repeater
E None of the above
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
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
The thermal emf-temperature relationship of most thermocouples is
A Linear
B Parabolic
C Exponential
D Square root
Which of the following thermocouples can measure the maximum temperature?
A Platinum-rhodium
B Tungsten-molybdenum
C Chromel-alumel
D Iron-constantan
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

Next steps