motor control 1-1

What items are normally found in a NEMA Standard?

Marking/Rating

Devices built according to the ? standard have four times longer life expectancy.

NEMA

Which component standard rates motor controllers in HP?

NEMA

Which standard's devices are designed for time delay fuses and circuit breakers?

NEMA

Which standard's devices are typically larger and more costly?

NEMA

Which of the following electrical industry pioneers invented the first practical AC motor?

Nikola Tesla

Which item, included in a NEMA Standard, would indicate procedures to determine if a motor control component was in compliance with manufacturing ratings?

Testing

It is possible to have motor control devices that meet both standards.

True

Natural energy sources, such as wind and moving water, have been used to mill grain.

True

A motor ? is a device that governs the performance of an electric motor in a predefined manner.

controller

Sources of energy that drive machines are identified as ? movers.

prime

Which standards organization is associated with the International Organization for Standardization (ISO)?

IEC

Which of the following organizations are identified in the text as standards-setting organizations for motor control devices?

IEC/NEMA

As a standards organization, which of the following document formats are used with IEC standards?

IS/TR

Devices built according to the ? standard have a smaller footprint.

IEC

Which organization was instrumental in the development of the SI standard?

IEC

Which standard's devices are considered application specific?

IEC

NEMA AC motors are designed for ? hertz power.

60 Hz

According to a 1998 Department of Energy survey, what percentage of electricity used in the United States was used to drive electric motors?

63%

As a standards organization, NEMA produces publications for installation groups only.

False