ABSA 4B TEST BANK Latest Update 2025-2026 1566 Questions and 100% Verified Correct Answers Guaranteed A+
____ accumulation in the blowdown y-strainer is an indication that corrosion is present in the system.
Silt Debris Rust Sludge
Floc - CORRECT ANSWER: c
____ accumulation in the blowdown y-strainer is an indication that corrosion is present in the system.
Silt Floc Sludge Rust
Debris - CORRECT ANSWER: d
____ are added to the lubricating oil to allow the use at lower temperatures.
Viscosity index depressants Viscosity number depressants Floc point depressants 1 / 4
Pour point depressants
Viscosity grade depressants - CORRECT ANSWER: d
____ are chemicals injected into the boiler feedwater to change scale forming salts into sludge.
Organics Amines Chelants
Phosphates - CORRECT ANSWER: d
____ are chemicals injected into the boiler feedwater to change scale forming salts into sludge.
Organics Phosphates Litmus Amines
Chelants - CORRECT ANSWER: b
____ are commonly installed overhead because the radiant energy is directed towards the floors.
Basin heaters Radiator heaters Infrared heaters Furnaces
Convection heaters - CORRECT ANSWER: c 2 / 4
____ are commonly referred to as semi-solid lubricants.
Condensation Greases Wax Synthetics
Paraffins - CORRECT ANSWER: b
____ are considered basic.
Acidic solutions Alkali solutions Strong acids PH ranges of 0 to 7.0
PH of 7.0 - CORRECT ANSWER: b
____ are considered basic.
Alkali solutions Acidic solutions PH ranges of 0 to 7.0 Strong acids
PH of 7.0 - CORRECT ANSWER: a
____ are designed into large air ducts to increase the inherent stiffness.
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Flanges Butt connections Circular sections Diagonal creases
Thermocouples - CORRECT ANSWER: d
____ are installed in applications where the capability for the rotor to reverse rotational
direction is desired (example: ships).
Gasoline engines Steam engines Reciprocating engines Diesel engines
Heat engine - CORRECT ANSWER: b
____ are installed in applications where the capability for the rotor to reverse rotational
direction is desired (example: ships).
Reciprocating engines Heat engine Steam engines Gasoline engines
Diesel engines - CORRECT ANSWER: c
____ are installed on rotating shafts to prevent axial movement.
Roller bearings Solid bearings
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