# COUNTERBALANCED TRUCK

An industrial truck configured so that all of its load during a normal transporting operation is external to the polygon formed by the points where the wheels contact the surface.

## Related Terms

### CUTTING FLUID

Any fluid applied to a cutting tool to assist in the cutting operation by cooling, lubricating or other means.

### ASME SECTION VII SUBSECTION C6

Operation of boiler auxiliaries.

### GYROCOMPASS

A compass having one or more gyroscopes as the directive element, and which is northseeking. Its operation depends upon four natural phenomena, namely gyroscopic inertia, gyroscopic precession, the earth's rotation, and gravity. When such a compass controls remote indicators, called GYRO REPEATERS, it is called a master gyrocompass.

### ASME SECTION VI

Recommended rules for the care and operation of heating boilers.

### AUXILIARY CONTACTS

A set of contacts that perform a secondary function, usually in relation to the operation of a set of primary contacts.

### CYCLE

A single complete operation consisting of progressive phases starting and ending at the neutral position.

### HYPSOMETER

An instrument for measuring height by determining the boiling temperature of a liquid. Its operation depends on the principle that boiling temperature is dependent on pressure, which normally varies with height.

### SPAN

The algebraic difference between the upper and lower values specified as limiting the range of operation of a measuring instrument. Example: A thermometer intended to measure over the range -40 C + 60 C has a span of 100 C.

### HYDROGEN CYCLE

A complete course of cation-exchange operation in which the adsorbent is employed in the hydrogen or free acid form.

### UP FLOW

The operation of an ion-exchange unit in which solutions are passed in at the bottom and out at the top of the container.