Red Seal Interprovincial Examination Instrumentation
and Control Technician exam COMPLETE VERIFIED
QUESTIONS AND DETAILED SOLUTIONS LATEST
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EXAM!!!
A pneumatic signal simulator can be used to calibrate
which of the following? - Answer-pressure switches
When bench calibrating a pressure transmitter, the
instrument technician should apply: - Answer-air pressure
in PSI
The term "span adjustment" refers to the adjustment of
the: - Answer-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? -
Answer-OR gate
Which of the following describes span? - Answer-The
difference between 3 and 15
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The drawing that shows how similar devices are to be
installed and connected is an instrument: - Answer-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? - Answer-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? - Answer-250.0 ohms
The resistance measured when verifying connection to
ground should be which of the following? - Answer-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? - Answer-12.00 PSIG
A temperature measuring device that operates on the
principle that electrical resistance changes with
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temperature is which of the following? - Answer-resistance
thermal device
The beveled edge of an orifice plate faces what direction?
- Answer-downstream
Capillary tubing with a bulb on the end is normally used on
instruments that provide which type of readings? - Answer-
temperature readings
Teflon tape should be applied clockwise from the: -
Answer-first thread back
When used as a film between two surfaces, lubricants will
reduce all of the following EXCEPT: - Answer-heat
Penetrating oils are used to: - Answer-loosen rust and
corrosion
Performing visual inspection to verify mechanical
installation of loop components includes: - Answer-all
components including process connection, primary
elements, control elements and wiring