ABSA 4B Final Exam 2025/2026: Complete Practice Questions & Answers with Study Guide

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ABSA 4B FINAL EXAM 2 VERSIONS AND PRACTICE
EXAM 2025/2026 BANK COMPLETE QUESTIONS AND
ANSWERS ACCURATE ACTUAL EXAM WITH
FREQUENTLY TESTED QUESTIONS AND STUDY
GUIDE

____ accumulation in the blowdown y-strainer is an indication
that corrosion is present in the system.


Silt
Debris
Rust
Sludge
Floc - . . ANSWER ✓✓ c


____ accumulation in the blowdown y-strainer is an indication
that corrosion is present in the system.


Silt
Floc
Sludge
Rust
Debris - . . ANSWER ✓✓ d

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____ are added to the lubricating oil to allow the use at lower
temperatures.


Viscosity index depressants
Viscosity number depressants
Floc point depressants
Pour point depressants
Viscosity grade depressants - . . ANSWER ✓✓ d


____ are chemicals injected into the boiler feedwater to change
scale forming salts into sludge.


Organics
Amines
Chelants
Phosphates - . . ANSWER ✓✓ d


____ are chemicals injected into the boiler feedwater to change
scale forming salts into sludge.


Organics
Phosphates

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Litmus
Amines
Chelants - . . ANSWER ✓✓ b


____ are commonly installed overhead because the radiant
energy is directed towards the floors.


Basin heaters
Radiator heaters
Infrared heaters
Furnaces
Convection heaters - . . ANSWER ✓✓ c


____ are commonly referred to as semi-solid lubricants.


Condensation
Greases
Wax
Synthetics
Paraffins - . . ANSWER ✓✓ b


____ are considered basic.

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Acidic solutions
Alkali solutions
Strong acids
PH ranges of 0 to 7.0
PH of 7.0 - . . ANSWER ✓✓ b


____ are considered basic.


Alkali solutions
Acidic solutions
PH ranges of 0 to 7.0
Strong acids
PH of 7.0 - . . ANSWER ✓✓ a


____ are designed into large air ducts to increase the inherent
stiffness.


Flanges
Butt connections
Circular sections
Diagonal creases