INSTRUMENTATION PRACTICE TEST (103Q'S) EXAM
QUIZZES WITH ACCURATE VERIFIED SOLUTIONS .
Density is analyzed using all the following methods EXCEPT: - correct Answers -densitometer
The program that is permanently entered into a PLC processor is called what? - correct Answers
-firmware
What does DCS stand for? - correct Answers -distributed control system
Hazards from aerosol cans include all of the following EXCEPT: - correct Answers -implosion
due to sudden gas release
In PLCs, how many possible states do discrete inputs have? - correct Answers -two
The term topology is often used with digital control systems to describe? - correct Answers -
interconnection of control components
A pneumatic signal simulator can be used to calibrate which of the following? - correct Answers
-pressure switches
When bench calibrating a pressure transmitter, the instrument technician should apply: - correct
Answers -air pressure in PSI
The term "span adjustment" refers to the adjustment of the: - correct Answers -range between the
highest and lowest scale value of an instrument
Which digital element correlates to a circuit allowing either of the two switches to apply power
to a light bulb? - correct Answers -OR gate
1
, Which of the following describes span? - correct Answers -The difference between 3 and 15
The drawing that shows how similar devices are to be installed and connected is an instrument: -
correct Answers -detail drawing
What is the digital element used to deny a burner ignition sequence if the fuel gas pressure is
abnormal, there is no air flow, or there is no pilot flame? - correct Answers -AND gate
A DCS accepts 1 to 5 volt inputs. The transmitter outputs are 4-20 mA. What type of resistor
should normally be installed in the analog input card? - correct Answers -250.0 ohms
The resistance measured when verifying connection to ground should be which of the following?
- correct Answers -infinite
The temperature range of a transmitter is 0 to 200 degrees F. The output signal range is 3 to 15
PSIG. What would be the expected output signal for an input temperature of 150 degrees F? -
correct Answers -12.00 PSIG
A temperature measuring device that operates on the principle that electrical resistance changes
with temperature is which of the following? - correct Answers -resistance thermal device
The beveled edge of an orifice plate faces what direction? - correct Answers -downstream
Capillary tubing with a bulb on the end is normally used on instruments that provide which type
of readings? - correct Answers -temperature readings
Teflon tape should be applied clockwise from the: - correct Answers -first thread back
When used as a film between two surfaces, lubricants will reduce all of the following EXCEPT:
- correct Answers -heat
2
QUIZZES WITH ACCURATE VERIFIED SOLUTIONS .
Density is analyzed using all the following methods EXCEPT: - correct Answers -densitometer
The program that is permanently entered into a PLC processor is called what? - correct Answers
-firmware
What does DCS stand for? - correct Answers -distributed control system
Hazards from aerosol cans include all of the following EXCEPT: - correct Answers -implosion
due to sudden gas release
In PLCs, how many possible states do discrete inputs have? - correct Answers -two
The term topology is often used with digital control systems to describe? - correct Answers -
interconnection of control components
A pneumatic signal simulator can be used to calibrate which of the following? - correct Answers
-pressure switches
When bench calibrating a pressure transmitter, the instrument technician should apply: - correct
Answers -air pressure in PSI
The term "span adjustment" refers to the adjustment of the: - correct Answers -range between the
highest and lowest scale value of an instrument
Which digital element correlates to a circuit allowing either of the two switches to apply power
to a light bulb? - correct Answers -OR gate
1
, Which of the following describes span? - correct Answers -The difference between 3 and 15
The drawing that shows how similar devices are to be installed and connected is an instrument: -
correct Answers -detail drawing
What is the digital element used to deny a burner ignition sequence if the fuel gas pressure is
abnormal, there is no air flow, or there is no pilot flame? - correct Answers -AND gate
A DCS accepts 1 to 5 volt inputs. The transmitter outputs are 4-20 mA. What type of resistor
should normally be installed in the analog input card? - correct Answers -250.0 ohms
The resistance measured when verifying connection to ground should be which of the following?
- correct Answers -infinite
The temperature range of a transmitter is 0 to 200 degrees F. The output signal range is 3 to 15
PSIG. What would be the expected output signal for an input temperature of 150 degrees F? -
correct Answers -12.00 PSIG
A temperature measuring device that operates on the principle that electrical resistance changes
with temperature is which of the following? - correct Answers -resistance thermal device
The beveled edge of an orifice plate faces what direction? - correct Answers -downstream
Capillary tubing with a bulb on the end is normally used on instruments that provide which type
of readings? - correct Answers -temperature readings
Teflon tape should be applied clockwise from the: - correct Answers -first thread back
When used as a film between two surfaces, lubricants will reduce all of the following EXCEPT:
- correct Answers -heat
2
