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INSTRUMENTATION LVL 1
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NCCER VERSION 4 2023
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EXAM QUESTIONS WITH
DETAILED ANSWERS //
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100% GUARANTEED PASS
A+ GRADED
,The simplest method for accurately measuring piping or tubing prior to assembly is the _____. -
ANS Shoulder to shoulder method
The colors of the conductors of a type j thermocouple are typically? - ANS White and red
If a persons heart is out of rhythm due to an electrical shock, the solution is to __________ -
ANS Have a qualified person use emergency defibrillation eqiupment
One mA is a unit of measure for current equal to _______ - ANS .001 amperes
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How many more times are workers in the construction industry likely to be electrocuted at work
than all the other industries combined ? - ANS Four
For injury related calculations and statistics, low voltage is considered to be anything under 500
volts. T or F - ANS False
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Other than when the insulating value is in question, how frequently must rubber protective
equipment be electrically tested? - ANS Every six months
On the job, it is best to wear personal clothing constructed of _______ - ANS Cotton
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Which of these statements correctly describes a double insulated power tool? - ANS The
entire tool is covered in rubber.
Once a worker crosses a prohibited approach boundary, for safety purposes it is assumed that
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________ - ANS The worker will make contact with an energized surface.
A potential shock hazard exist when exposed parts are energized at ___________ V or more -
ANS 50V or more
Per OSHA, the proper PPE selected for entry into an arc flash hazard area should protect the
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worker from first degree burns. T or F - ANS False
Which of the following is a correct statement related to a lockout/tagout procedure ? - ANS
Lockout/Tagout devices are installed by each authorized employee involved in the work related
to the energy being disabled.
How many different multimeters are required to conduct a live-dead test on an electrical circuit?
- ANS One
A damaged power tool should be removed from service and _________ - ANS Have a DO
NOT USE tag applied
,The OSHA and NIOSH time weighted averages (TWA) for exposure to a given chemical relate
to an average level of exposure consistent
over a period of _______ - ANS 8-10 Hours
The gas that can reach explosive levels when mixed with oxygen and which is often released by
vented batteries is _________ - ANS Hydrogen
One meter is equal to ________ feet.
(Mod3Bk1) - ANS 3.281 feet
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A room has a length of 3.568 meters & a width of 2.438 meters, whats the area of the room in
square feet ?
meters to ft
(x)3.281 - ANS 93.64 ft^2. (Squared)
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A wall penetration has inside dimensions of 16'' in x 12'' in . The area, in ft^2, is equal to
___________
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inchs to ft
(x) .0833 or (x) / 12 - ANS 1.33 ft^2
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The value of pi , to 2 decimal places is ? - ANS 3.14
Pie = 3.1415
How many liters of liquid can a 55 gallon drum hold?
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gal to liters
1 gal=3.785 liters
(x) 3.785 - ANS 208 Liters
A crate holding a control console is marked as weighing 175 lbs.
Whats its weight in Kilograms?
1 lbs = .454 kg
, ( / ) by 2.205 or (x) by .454 - ANS 79.38 kilograms
Find the absolute pressure if a gauge reads 164 psig
(x) + 14.7 = - ANS 178.38 psia (absolute pressure)
A temperature of 0 degrees Celcius is equal to ____________
Deg F -.8 = 0 deg Celc
( (x) - 32 ) / 1.8 = 0 deg Celc - ANS 32 degrees Fahrenheit
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A temperature of 68 deg F is equal to _________
(x) - .8 = deg C
68-.8 = deg C
36/1.8 = deg C - ANS 20 deg Celc
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The square root of 12,500, which is expressed mathematically as (———-) is equal to? - ANS
111.803
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6^2 is the same as?
1. 6x6= (x)
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2. = (x) - ANS 36
Given the equation P=E^2 / R, rewrite it to solve for R. - ANS 1. R (P=E^2 / R) (R) Use R by
mult on both sides.
2. R (P) /P = E^2 /P Use P by dividi. on both sides
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3. R = E^2 / P
The distance from the center of a circle to any point on the curved line is called the __________
- ANS Radius
A triangle in which all sides are unequal length is called ? - ANS Scalene Triangle
Which of the following is not an accurate form of the pythagorean theorem ? - ANS Correct
Form: