Q. The corroding piece of metal is described as a “mixed electrode”.

View solution

Q. What is pH below which pH increases?

View solution

Q. Increase in __________ concentration usually gives an increase in corrosion rate.

View solution

Q. Stainless steel is protected by _______

View solution

Q. What is pH range for oxygen removal?

View solution

Q. ______ are classified as dangerous inhibitors.

View solution

Q. Which ions are used as cathodic inhibitors?

View solution

Q. What is the reduced potential required to prevent the corrosion of steel?

View solution

Q. Galvanizing is the process of applying _______ over steel.

View solution

Q. pH sensor must remain clean for an accurate reading.

View solution

Q. _______ is suited for open channel monitoring applications.

View solution

Q. How many categories of process variables are present?

View solution

Q. Which of the following are a mechanical means of signal transmission?

View solution

Q. Which of the following are a pneumatic means of signal transmission?

View solution

Q. Tone is an electronic means of the signal transmission device.

View solution

Q. Which of the following is not a read out device?

View solution

Q. How many types of time control systems are present?

View solution

Q. What is modern data acquisition systems called?

View solution

Q. What is the price of water process analyser?

View solution

Q. What is the maximum percentage of saturation for dissolved oxygen analyser?

View solution