Actual Exam Questions with 100% Correct Verified Answers/ Rated A+
1. The SI unit of length is the Meter
2. The Pascal, the SI unit of pressure, is A derived SI unit
3. Which SI multipliers have abbreviations in capital Those with factors
letters? > 1000
4. The speed of light is considered to be a constant When used for
standards work
5. The melting point of Gallium is a fixed point in the Zero
ITS-90 temperature system. The uncertainty of the
value of this temperature is
6. A certificate for a traceable calibration must show The existence of a
evidence to support traceability path is
needed for an au-
dit
7. The realization of a temperature fixed point is A physical object
such as a freezing
point cell
8. Traceability is required when operating under ISO At every step
9001 and related standards of the calibra-
tion pyramid below
national measure-
ment standards
9. The ACME company's calibration procedure for their Stop work and no-
model VU-1 sound level meter calls for the exclusive tify the customer
use of ACME sound level calibrator model SLC-1. A that the calibration
technician has a rush job to calibrate a VU-1, but the cannot be com-
SLC-1 is back at the factory in Europe for repair and pleted until the
calibration. He/she should proper IM&TE is
available
10. In order to calibrate a digital ammeter, it is necessary A source or gener-
to have ator of current
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11. The base SI unit for electrical quantities is Ampere
12. One gram of oxygen gas is released into a box 10 cm 1.0 kg/m^3
on a side. What is the SI density of the gas inside the
box when equilibrium is reached?
13. One million nanofarads is the same as One millifarad
14. Scales and balances should be calibrated after they Gravity is different
are moved because in different places
and internal mech-
anisms may have
been affected
15. A triple point of water cell is A device for sourc-
ing temperature
16. Substitution of standards May be done if
technically feasi-
ble and not forbid-
den by procedure
17. Which of the following measuring systems is a resis- Thermistor
tance-temperature device (RTD)?
18. Having traceable reference standards and providing These customers
traceable calibrations for a laboratory's customers is need to provide
necessary when traceability to their
customers
19. An optical pyrometer measures temperature by deter- The color of the
mining light from a hot
body
20. An intrinsic standard Will realize the unit
for which it is a ref-
erence when op-
erated properly
21. Temperature
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The largest single contributor to the uncertainty of
dimensional measurements is
22. The SI unit for time is based on An atomic vibra-
tion
23. Which of the following notations accepted for use 3.785 L (1 U.S.
with the SI is preferred for the volume of a gallon of gallon)
milk?
24. Carl Sagan, on his television series, might have said Half an hour
"Thank you for spending these billions and billions
of nanoseconds with me." How long a time interval
is 1800 billion ns? Note - use the U.S. definition of
billion, e.g. 10^9
25. Gravitational corrections are always required for Measurements in
which a weight
opposes a spring
force
26. Which of the following temperature measuring de- Thermocouple
vices requires either an actual or a simulated refer-
ence temperature?
27. Crash dummies used to simulate the effects of adults Consensus stan-
and children during testing of car and truck collisions dard
are an example of a
28. Electrical sensors used to measure temperature al- Linearization of
most always require the temperature -
electrical relation-
ship
29. A substitute standard has replaced the usual refer- The substitute
ence standard and the term "limited calibration" is was used for a lim-
used on the UUT. Which of the following explanations ited time
would NOT be expected as an explanation of the lim-
ited calibration?