answers
____ accumulation in the blowdown y-strainer is an indication that
corrosion is present in the system.
Silt
Debris
Rust
Sludge
Floc Ans✓✓✓ c
____ accumulation in the blowdown y-strainer is an indication that
corrosion is present in the system.
Silt
Floc
Sludge
Rust
Debris Ans✓✓✓ d
____ 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 Ans✓✓✓ d
____ are chemicals injected into the boiler feedwater to change scale
forming salts into sludge.
Organics
Amines
Chelants
Phosphates Ans✓✓✓ d
____ are chemicals injected into the boiler feedwater to change scale
forming salts into sludge.
Organics
Phosphates
Litmus
Amines
Chelants Ans✓✓✓ b
____ are commonly installed overhead because the radiant energy is
directed towards the floors.
,Basin heaters
Radiator heaters
Infrared heaters
Furnaces
Convection heaters Ans✓✓✓ c
____ are commonly referred to as semi-solid lubricants.
Condensation
Greases
Wax
Synthetics
Paraffins Ans✓✓✓ b
____ are considered basic.
Acidic solutions
Alkali solutions
Strong acids
PH ranges of 0 to 7.0
PH of 7.0 Ans✓✓✓ b
, ____ are considered basic.
Alkali solutions
Acidic solutions
PH ranges of 0 to 7.0
Strong acids
PH of 7.0 Ans✓✓✓ a
____ are designed into large air ducts to increase the inherent stiffness.
Flanges
Butt connections
Circular sections
Diagonal creases
Thermocouples Ans✓✓✓ 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