Set A Flashcards
Light scattered perpendicularly to an incident beam is partly
polarized
Galvanized steel are steel products coated with
zinc
“Heavy water” has a mass of
20
What group of steels are high-carbon, high-chromium tools steels suitable for cold working applications
Group D
Which of the following phenomenon cannot take place with sound waves?
polarization
The ore from which iron is obtained is?
taconite
How many atoms are there per unit cell for a face-centered cubic structure?
4
What is the most undesirable of all elements commonly found in steels?
Phosphorus
Spark plug makes use of which of the following materials for insulation?
Porcelain
A software that is commonly known as firmware?
BIOS
What is the minimum lighting load required by PEC for an office measuring 20m by 25m
14000 VA
At what point is the applied force minimal in operating a hinge door?
farthest the hinge
______ is regarded as father of computers
Charles Babbage
It is a process of mixing water with air either by spraying or diffusing air through it
aeration
Battery acid is the common name for
sulfuric acid
Which of the ff refers to the diffusion of a solvent into a stronger solution in an attempt to equalize the two concentration?
osmosis
table of elements, light metals
potassium
What do you call the treating of a ore with aquaeous reagent to dissolve component selectively?
leaching
The _____ when heated decompose to yield water and any hydrous salt
Hydrates
Silicate Mineral having the characteristic properties of fibrous structure and fire resistance
Asbestos
Following the production if condensation of a region are formed in which the pressure are lower than the equilibrium value. What will this be?
Rarefaction
Metal that contains both cementite and graphite and is between the gray and white irons in composition and performance
Mottles iron
A _______ is programmable multi-use machine that accepts data-raw facts and figures, and processes, or manipulates.
computer
______ is a technology consists of electromagnetic devices and system for communicating over long distances
Telecommunication
A _____ is one in which all microcomputers and other communication devices are connected in a continuous loop
Ring Network
Adding more solute to an already saturated solution will cause the excess solute to settle down to the bottom of the container. What is this process called?
precipitation
The maximum potential gradient that the material can withstand without rapture
Dielectric strength
Carbon or alloy steel are capable of being hardened and tempered are used for?
Tool Steel
What group of steels are molybdenum high-speed steels?
Group M
Aluminum is produced from
bauxite ore