Ch 17

Shaft misalignment may be vertical angularity, vertical offset, horizontal angularity, or horizontal offset.

• T

• F

Aligning any equipment begins with the foundation and base plate to which the equipment is anchored.

• T

• F

A foundation is a rigid steel support for firmly coupling and aligning two or more rotating devices.

• T

• F

Flexible plumbing connections are sometimes necessary to separate stresses and vibrations between a pump and a motor.

• T

• F

Bolt-bound bolts prevent vertical movement of a machine.

• T

• F

Machined washers that are two to three times thicker than the original washe can be used to correct the dowel effect.

• T

• F

The only method of measuring soft foot is the shaft deflection method.

• T

• F

Total indicator readings are found by subtracting one reading from the other reading and taking the absolute value of the difference.

• T

• F

The choice of alignment method is based on cost, accuracy required, ease of use, and time required to perform the alignment.

• T

• F

Alignment tolerance requirements of two or more shafts are based on the voltage of the motor or drive unit.

• T

• F