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

View solution

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

View solution

Q. How many categories of process variables are present?

View solution

Q. _______ is suited for open channel monitoring applications.

View solution

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

View solution

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

View solution

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

View solution

Q. Which ions are used as cathodic inhibitors?

View solution

Q. ______ are classified as dangerous inhibitors.

View solution

Q. What is pH range for oxygen removal?

View solution

Q. Stainless steel is protected by _______

View solution

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

View solution

Q. What is pH below which pH increases?

View solution

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

View solution

Q. A loss in mechanical strength is due to ______

View solution

Q. Which is the most widely used material in water conduits?

View solution

Q. Corrosion is the deterioration of materials by chemical interaction with their environment.

View solution

Q. What is the percentage of the world lacking access to toilets?

View solution

Q. Flush toilets are said to be more sanitary than squat toilets.

View solution

Q. Flush toilets work well because of a part called “the S bend” or “the siphon”.

View solution