INSTRUMENT TEST 2026 Exam questions and
answers Graded A+
When is the BEST time to document each loop check for commissioning ? -
✅✅At the time each test is completed
Teflon paste must not be used on : - ✅✅Nitrogen service
A 24VDC power supply is not working With your multimeter you verify no DC
voltage On the 120VAC input you measure 120V between hot and ground and
72V between hot and neutral . What is the most likely cause of this ? - ✅✅Lost
the neutral
Gain increase when tube : - ✅✅Back bends are made
A temperature measuring device that produces a voltage as the temperature
changes is a / an : - ✅✅Thermocouple
A pressure piping code is found in : - ✅✅ANSI B 31.1
When marking tubing for cutting , the preferred method is to : - ✅✅Mark the
tube with a grease pencil
An example of direct measurement indicator is a : - ✅✅Pressure gauge
In loop checks , all of the following are performed EXCEPT : - ✅✅Tuning
,If 75 volt DC potential is applied to a 25 ohm load , the circuit current is : -
✅✅3.0 amps
A valve has linear - flow characteristics when the : - ✅✅Differential pressure
corresponds directly to the valve stem position
What is a circuit current if 45 VDC is applied to a 250 ohm load ? - ✅✅0.18 amp
13. In the figure , how many CR1 contacts are there ? - ✅✅2
All of the following valves are used to regulate flow EXCEPT - ✅✅Gate
The value of the dynamic variable desired in a process is the : - ✅✅Set point
An acceptable tool for marking 360 degrees around the outside of tubing is a : -
✅✅Ferrule
What process variable is defined as the amount of force exerted by a substance
over a given unit of measure ? - ✅✅Pressure
Storage of steel wool can be considered a fire hazard when stored around -
✅✅Batteries
, The MINIMUM value of the measured process range is considered to be : -
✅✅3psi and 4ma
A bubbler system is used to measure : - ✅✅Specific gravity
To prevent travel damage to a limit switch , use a ( n ) . - ✅✅Mechanical stop
In a controller , automatic control describes : - ✅✅Thebfinal element as
controlled by the setpoint of the controller locally
When using soft rolled tubing , it must be unrolled and straightened - ✅✅By
hand
Where would an instrument fitter find the PROPER method to connect an
instrument to a process tap ? - ✅✅On an installation detail
The part of a control valve that controls the plug proportionally to the output of
the controller is the : - ✅✅Valve positioner
Workers should always assume that all electrical equipment and lines are -
✅✅Energized until proven
The main function of a transducer is to : - ✅✅Convert once signal form into
another signal form
answers Graded A+
When is the BEST time to document each loop check for commissioning ? -
✅✅At the time each test is completed
Teflon paste must not be used on : - ✅✅Nitrogen service
A 24VDC power supply is not working With your multimeter you verify no DC
voltage On the 120VAC input you measure 120V between hot and ground and
72V between hot and neutral . What is the most likely cause of this ? - ✅✅Lost
the neutral
Gain increase when tube : - ✅✅Back bends are made
A temperature measuring device that produces a voltage as the temperature
changes is a / an : - ✅✅Thermocouple
A pressure piping code is found in : - ✅✅ANSI B 31.1
When marking tubing for cutting , the preferred method is to : - ✅✅Mark the
tube with a grease pencil
An example of direct measurement indicator is a : - ✅✅Pressure gauge
In loop checks , all of the following are performed EXCEPT : - ✅✅Tuning
,If 75 volt DC potential is applied to a 25 ohm load , the circuit current is : -
✅✅3.0 amps
A valve has linear - flow characteristics when the : - ✅✅Differential pressure
corresponds directly to the valve stem position
What is a circuit current if 45 VDC is applied to a 250 ohm load ? - ✅✅0.18 amp
13. In the figure , how many CR1 contacts are there ? - ✅✅2
All of the following valves are used to regulate flow EXCEPT - ✅✅Gate
The value of the dynamic variable desired in a process is the : - ✅✅Set point
An acceptable tool for marking 360 degrees around the outside of tubing is a : -
✅✅Ferrule
What process variable is defined as the amount of force exerted by a substance
over a given unit of measure ? - ✅✅Pressure
Storage of steel wool can be considered a fire hazard when stored around -
✅✅Batteries
, The MINIMUM value of the measured process range is considered to be : -
✅✅3psi and 4ma
A bubbler system is used to measure : - ✅✅Specific gravity
To prevent travel damage to a limit switch , use a ( n ) . - ✅✅Mechanical stop
In a controller , automatic control describes : - ✅✅Thebfinal element as
controlled by the setpoint of the controller locally
When using soft rolled tubing , it must be unrolled and straightened - ✅✅By
hand
Where would an instrument fitter find the PROPER method to connect an
instrument to a process tap ? - ✅✅On an installation detail
The part of a control valve that controls the plug proportionally to the output of
the controller is the : - ✅✅Valve positioner
Workers should always assume that all electrical equipment and lines are -
✅✅Energized until proven
The main function of a transducer is to : - ✅✅Convert once signal form into
another signal form
