time rate of steady-state heat flow through a unit area of a material or construction induced by a unit temperature difference between the body surfaces. C = q/DT 

system in which engineering designs are created graphically on the computer screen, or in the form of a computer printout.

parts design and manufacturing method utilizing a computer data base where drawings are not needed. Synony­mous with computer-integrated manufacturing.

computer-aided design and drafting 

1. variable that cannot actually be meas­ured directly, but one which can be calculated by measuring other variables. Example: Measure wet-bulb temperature and measure dry-bulb temperature to determine enthalpy.

2. variable which is calculated from one or more inputs.

correcting or determining the error of an existing scale, or of evaluating one quantity in terms of readings of another 

heat required to raise the temperature of 1 gram of water 1°C; specifically from 4 to 5°C. The Fifth International Conference on the Properties of Steam (1956) defined the International Table calorie as 4.1868 J. Mean calorie = 1/100 part of the heat required to raise 1 gram of water from 0 to 100^°C. Great calorie or kilocalorie = 1000 calories.

1. device for measuring heat quan­tities, such as machine capacity, combustion heat, specific heat, vital heat, heat leakage, etc.

2. device for measuring quality (or moisture content) of steam or other vapor.

system in which a computer directs the manufacture and assembly of a product.

covered area that extends from a wall of a building, protecting an entrance or a loading dock