Ramsay Test Process Flow and Instrumentation 2

Question 1

On a P&ID, a circle with a single horizontal line through the middle indicates an instrument that is:

Accepted Answer

Mounted on the main control panel in a central control room

Answer

Field mounted, locally accessible to the operator

Answer

Mounted behind a panel and not normally accessible

Answer

A shared display or computer function

Question 2

In the ISA tag 'FIC-101', the second letter 'I' stands for:

Accepted Answer

Indicate

Answer

Input

Answer

Interlock

Answer

Integrate

Question 3

A device that converts a 3-15 psi pneumatic signal into a 4-20 mA electronic signal is called a:

Accepted Answer

Transducer

Answer

Transmitter

Answer

Orifice plate

Answer

Rotameter

Question 4

Which line type on a P&ID typically represents an electrical signal?

Accepted Answer

A dashed line

Answer

A solid heavy line

Answer

A line with double cross-hatches

Answer

A line with small circles or bubbles

Question 5

A normally-closed fail-safe control valve will move to which position when its air supply is lost?

Accepted Answer

Fully closed

Answer

Fully open

Answer

Holds its last position

Answer

Half open

Question 6

The primary purpose of a process flow diagram (PFD) compared to a P&ID is to show:

Accepted Answer

The major equipment and overall process flow

Answer

Every valve, instrument and pipe size

Answer

Electrical wiring details

Answer

The control room panel layout

Question 7

An orifice plate measures flow by detecting:

Accepted Answer

The pressure drop created as fluid passes through the restriction

Answer

The temperature rise across the plate

Answer

The electrical conductivity of the fluid

Answer

The weight of fluid in the pipe