1. Understand concepts of metrology.

1.1 Define metrology.

1.2 Mention the objectives of metrology.

1.3 Describe different types of inspection techniques.

1.4 Relate precision, accuracy and cost of inspection.

1.5 Mention source of error in measurement.

1.6 Describe cosine error.

1.7 Explain the effect of temperature, pressure and alignment on precision measuring instruments.

1.8 Describe the general care of measuring instruments and calibration techniques.