Thermal well made of ________ gives the fastest speed of response, while measuring temperature by thermocouples?

The function of manholes provided in the shell of a distillation column is to ________?

Presence of nitrates in water in excess of 50 ppm causes________?

The maximum thickness of the metal which can be welded using ultrasonic welding is ________ mm?

Which of the following is never used as an element of industrial resistance thermometer?

Number of poles in a system with transfer function 1/(s2 + 2s2 + 1) is ________?