What is used to highlight wear pattern in gear teeth? - ANS-✔✔Bluing
The first step prior to pre-aligning a motor horizontally - ANS-✔✔Inspect base plate
What 3 dimensions should be taken to fabricate a new flange gasket? - ANS-✔✔Diameter of pipe
opening, outside diameter of flange, diameter of bolt circle
On assembly, what is used to identify sub assemblies? - ANS-✔✔Circles
Bearing that is set too tight will cause premature failure because of - ANS-✔✔Increased friction and
decreased clearance
Motors with open bearings should be thoroughly cleaned every - ANS-✔✔Year
Most vertical pumps are driven by - ANS-✔✔Electric motors
To measure shoulder relief on a shaft, use a - ANS-✔✔Radius gauge
A flexible coupling is often installed on a pump and a motor to compensate for - ANS-✔✔Small
differences in alignment
Machine frame distortion caused by tightening or loosening bolts of a single foot is called - ANS-✔✔
Soft foot
What is gasket creep? - ANS-✔✔Loss of thickness
, A turbine has been secured. What piece of equipment keeps the rotor from bowing? - ANS-✔✔The
turning gear
An impeller pumps efficiently when installed to - ANS-✔✔Turn in one direction
Which of the following is not allowed on any job site? - ANS-✔✔A metal hard hat
Cure for pump cavitations include - ANS-✔✔Lowering the required head by reducing discharge
When transferring elevations, which tool is most precise? - ANS-✔✔Optical level
Which shade of tinted lens should be used when oxy-fuel cutting and welding? - ANS-✔✔4-6
Why are colored threads woven into synthetic web slings? - ANS-✔✔To indicate damage and/or wear
What is the pressure rise for a blower? - ANS-✔✔2-10 psig
A packing puller is used to remove packing material from - ANS-✔✔A stuffing box
What type of drawing details inside dimension structural column locations and mounting? - ANS-✔✔
Foundation layout
What are the two types of blades used in steam turbines? - ANS-✔✔Impulse and reaction blades
Which radial fan blower is considered general purpose? - ANS-✔✔Open type