CMS Metrication History & Policy 2

Question 1

Which U.S. agency is responsible for promoting metrication and metric standards in the United States?

Accepted Answer

NIST

Answer

The National Institute of Standards and Technology (NIST) is the lead federal agency for metric policy and standards in the U.S.

Question 2

The redefinition of the SI in 2019 fixed the numerical values of which fundamental constants?

Accepted Answer

Seven fundamental constants including Planck's constant and Boltzmann constant

Answer

The 2019 SI redefinition fixed exact numerical values for seven fundamental constants, replacing artifact-based definitions.

Question 3

Which three countries are commonly cited as NOT having officially adopted the metric system as their primary system?

Accepted Answer

USA, Myanmar, Liberia

Answer

The United States, Myanmar (Burma), and Liberia are traditionally cited as the only countries not officially using metric as their primary measurement system.

Question 4

Executive Order 12770, signed in 1991, directed all federal agencies to:

Accepted Answer

Transition to metric in all government activities as the preferred system

Answer

Executive Order 12770 directed federal agencies to transition to the metric system in their activities, reinforcing the 1988 mandate.

Question 5

The modern SI was formally established in:

Accepted Answer

1960

Answer

The modern SI (Système International d'Unités) was formally established by the 11th CGPM in 1960.

CMS - Certified Metrication Specialist Practice Test

CMS - Certified Metrication Specialist Practice Test

CMS Metrication History & Policy 2