Exam (elaborations)
NCCER INSTRUMENT TECH TEST QUESTIONS WITH COMPLETE ANSWERS
- Course
- Institution
NCCER INSTRUMENT TECH TEST QUESTIONS WITH COMPLETE ANSWERS
[Show more]
Seller
Follow
biggdreamer
Reviews received
Content preview
NCCER INSTRUMENT TECH TESTQUESTIONS WITH COMPLETE
ANSWERS
Whatis the first step in troubleshooting a problem in a system? - Answer-Verify that
there is a problem
Where can the appropriate elevation of an instrument be found? - Answer-Location
drawing
Chemical cleaning of tubing attached to instruments may cause damage to sensor -
Answer-Elements/
When making 90-degree tubing bend, allowance for springback should be: - Answer-1
to 3 degrees
an acceptable tool gor marking 360 degrees around the outside ot tubing Is a: - Answer-
Ferrule
What process variable is defined as the amount of force exerted by a substance over a
given unit of measure? - Answer-Pressure
Blorage of stadl wool can be considered a fire hazard when stored around - Answer-
Batterles/
The MINIMUM value of the measured process range is considered to be: - Answer-3psi
and 4ma
bubbler system is used to measure: - Answer-Head pressure
To prevent travel damage to a limit switch, use a(n) - Answer-Mechanical stop/
When using soft rolled tubing, it must be unrolled and straightened: - Answer-By hand
Where would an instrument fitter find the PROPER method to connect an instrument to
a process tap? - Answer-On an installation detail
A strain gauge measures the external force applied to a fine wire by causing a change
in - Answer-Resistance
Which of the following purging gases should be avoided for use with hydrocarbons? -
Answer-Oxygen
, A differential pressure transmitter mounted on a non-vented vessel is used to measure
the - Answer-Density of the product in the vessel?
Convert the length 2' 10-3/4" to its decimal equivalent (in feet). - Answer-2.896
Flow can be described in units of all of the following EXCEPT: - Answer-Density
When pressure testing, the required documentation includes: - Answer-Temperature,
pressure, and test medium
The MOST common method used to measure the flow of liguid in a pipe is to introduce
a restriction In the pip and measure the: - Answer-Velocity
Afteria bend is completed, all tubing will exhibit; - Answer-Springback
What valve, REQUIRES a 90-degree turn to operate the valve 100% open or closed? -
Answer-Ball valve/
Where is the drain wire terminaled in instrument system? - Answer-At the control
cabinet.
une part ona contro vaive that controis the plug proportionally to the output or the
controller is the: - Answer-Valve positioner
What type of liquid is used for degreasing electronic equipment? - Answer-Isopropyl
alcohol
The high pressure gas line has a large self-operated regulator. Inlet pressure is 300psi;
Outlet pressure is 100psi.
The regulator is sluggish during load changes. What is the first step to improve the
operation of the regulator? - Answer-Lower the inlet pressure
paring acid cleaning a tubing run after installation it is very important to - Answer-Drain
low points
On a field mounted controller, the setpoint is changed: - Answer-Manually
When using a multimeter to drive loop current, the meter should be set to - Answer-
Outout mA
When an 8mA signal is connected across a 250 ohm resistor, the voltage drop across
the resistor would be: - Answer-2 volts
PTFE tape used as a sealant should be wrapped: - Answer-In the same direction as the
threads/
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for CA$19.59. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79223 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now