Which of the following is not classified as a thermo electric pyrometer ?

A. Guard against corrosive and oxidising action on thermocouple materials
B. Reduce measuring lag
C. Increase the fidelity
D. Increase the sensitivity

A. Low loads
B. Temperature changes
C. High loads
D. Flow rate changes

A. Pointer
B. Bourdon tube
C. Bulb
D. None of these

A. Low loads
B. Temperature changes
C. Flow rate changes
D. None of these

A. Reducing value of Kc
B. Introducing integral control
C. Introducing derivative control
D. None of the above

A. Piston type meter
B. Rotameter
C. Magnetic flow meter
D. Orifice and tapered plug meter