Job Info 1, Lvl. 2 Lesson 6

8 September 2022
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question
The metric system is based on the ?, which is the primary unit of length.
answer
Meter
Explanation: The metric system is based on the meter, which is the primary unit of length. The meter was originally defined as one ten-millionth of the distance from the equator to the North Pole. This definition was later refined, and the meter is now defined as the distance that light travels in a vacuum in 1/299,792,458 of a second.
question
The simplicity of the metric system lies in the relationship of the expression of quantity (how much) based on the number ?.
answer
10
Explanation: The metric system is a system of measurement that is based on the number 10. This system is used in many countries around the world and is the most widely used system of measurement. The metric system is simple because all of the units of measurement are based on the number 10. For example, the unit of length is the meter and the unit of mass is the kilogram.
question
The decimal system of numbers is based on the number ?.
answer
Ten
Explanation: The decimal system of numbers is based on the number 10. The number 10 is used because it is the number of fingers on two hands.
question
The prefix deci means ?.
answer
Tenth
Explanation: The prefix deci means one tenth.
question
The deciliter is a unit of measure of ?.
answer
Volume
Explanation: A deciliter is a unit of measure of volume or capacity. It is equal to one tenth of a liter, or 10 milliliters.
question
What are the five major units of metric measure?
answer
Cubic meter; Gram; Liter; Meter; Square meter
Explanation: The five major units of metric measure are: length, mass, time, electric current, and thermodynamic temperature.
question
How many meters are there in 35.4 decimeters?
answer
3.54 m
Explanation: There are 3.54 meters in 35.4 decimeters.
question
To express measurements in the metric system, a person selects the proper prefix and writes it ? The word that represents the unit of measure.
answer
Before
Explanation: The metric system is used to express measurements in the metric system. The metric system uses the International System of Units (SI) to express measurements. The SI unit for length is the meter (m). The SI unit for mass is the kilogram (kg). The SI unit for time is the second (s). The SI unit for electric current is the ampere (A). The SI unit for temperature is the kelvin (K). The SI unit for amount of substance is the mole (mol). The SI unit for luminous intensity is the candela (cd).
question
Convert 42,291.4 centimeters to meters.
answer
422.914 meters
Explanation: 42,291.4 centimeters is equal to 422.914 meters. To convert from centimeters to meters, divide the number of centimeters by 100.
question
As per presidential Executive Order 12770, what was mandated as of September 30, 1992?
answer
Every new federal construction project must be developed using metric measurements.
Explanation: The presidential Executive Order 12770 mandated that as of September 30, 1992, all federal agencies must use the Standard Form (SF) 3161, Appointment of Foreign Service Officer, to make appointments of career Foreign Service officers.
question
The metric system based on decimals was developed by ? Scientists.
answer
French
Explanation:The presidential Executive Order 12770 mandated that as of September 30, 1992, all federal agencies must use the Standard Form (SF) 3161, Appointment of Foreign Service Officer, to make appointments of career Foreign Service officers.
question
SI in the metric system stands for ?.
answer
System International
Explanation: SI stands for the International System of Units. The metric system is a system of units that is used internationally. The SI system is based on the metric system and includes the SI unit of mass, the kilogram.
question
What effect will metrication have on America's global competitiveness?
answer
Metrication will have a positive effect.
Explanation: There is no definitive answer to this question as the effect of metrication on America's global competitiveness will likely vary depending on the particular industry or sector. Some experts believe that metrication could actually improve America's competitiveness in certain areas, as it would allow for more seamless trade with metric-using countries and could lead to more efficient production processes. Other experts believe that the costs associated with metrication (e.g., training workers, updating equipment) could outweigh any potential benefits, and that America's global competitiveness could suffer as a result.
question
How does the National Electrical Code handle units of measurement?
answer
Section 90.9 requires that SI units (metric units) appear first and that the inch-pound units shall immediately follow in parentheses.
Explanation: The National Electrical Code (NEC) uses the International System of Units (SI) for all units of measurement. The NEC does not currently have any specific requirements for the use of SI units, but the International Electrotechnical Commission (IEC) has developed a set of guidelines for the use of SI units in electrical and electronic products, which the NEC references.