Unit 1 : Topic 1.1 and 1.2

What is the purpose of measurement in instrumentation?

• To predict future events

• To gather physical data from the real world

• To create software models

• To simulate physical systems

According to the definition, measurement must follow:

• Manufacturer’s internal instructions only

• Teacher’s preferences

• National and international standards and procedures

• Random estimation methods

Which of the following is not typically measured by instrumentation?

• Temperature

•  Level

•  Pressure

• Color preference

How does a secondary instrument measure a quantity?

• By calculating based on physical constants

• By observing the output shown on the instrument

• By comparing with a standard meter

• By measuring temperature only

What is the definition of accuracy in measurement?

• The ability to reproduce the same measurement

• The smallest measurable change

• The closeness to the true value

• The number of divisions in a scale

Which characteristic defines the smallest measurable input change?

• Accuracy

• Precision

• Resolution

• Sensitivity

The unit of current in the SI system is:

• Volt

• Coulomb

• Ampere

• Ohm

Which type of standard is maintained by national laboratories in different countries, such as SIRIM?

• International

• Primary

• Secondary

• Working

The British Standard and International Organization Standard (ISO) fall under which category of standard?

• International

• Primary

• Secondary

• Working

The basic reference standard used by industrial labs in fields like automotive or electronics is known as:

• International

• Primary

• Secondary

• Working