Level Exam Sample Flashcards
Where would you use an intercooler?
In between stages
Correct placement of shims?
Biggest first, next on top, smaller in the middle
Where do you get the measurement for vertical angular misalignment?
Coupling
Where is a relief valve located?
Where ever pressure is built up/after pump
What decreases leakage from the volute to the eye?
Wear plates/rings
Procedure for dismantling a fan after loto?
Block the blades
What do you do after a weld repair on a fan?
Check for balance
Gland tight and still leaking?
Change packing
What pump contains a crescent?
Internal gear
What valves are used for free flow in one direction and controlled flow in the other?
check valve
What valve is used in a quick disconnect?
Check valve
What increases friction in hydraulic lines?
Bends/fittings
Definition of a schematic?
Shows the internal or external layout of a system
What is a pilot line?
Dotted lines (hidden line)
Cause for hydraulic ram not moving or moving slow?
Seals leaking on piston
Why do you keep a space when soldering copper pipe?
To allow for capillary movement
What do stainless steel pipe carry
corrosives/acids
Second valve cap still getting hot after replacement?
Blockage in line
What instrument is used to detect softfoot?
Dial indicator, feeler gauges and laser
What is the outcome of sheaves/couplings aligned on a fan?
Longer life, more dependability, life expectancy, more efficient
How is pressure measured?
Psi/KpA/Bar
What will be a sign of misalignment?
Vibration
What safety precaution do you perform before starting an alignment?
loto, deenergize
What safety precaution is taken when working on a fan that is already LOTO?
Block the blades