DAY 2 Trivia Flashcards
Rochelle Salt
KNOC4H4O6*4H2O
Function of a transducer
Convert the primary signal into more useful quantity
Used as a catalyst for the Haber-Hosch process of producing ammonia from nitrogen and hydrogen gas
Iron
Lee-Kesler correlation is only applicable for
non-polar and slightly polar compounds
CH 04
(P4-13)
Simplest type of control commonly expressed as having on/off position action
Bang Bang (Bang-zero-bang)
(P8-69)
Fugacity and pressure are numerically equal when a gas is:
an ideal gas
Ratio of thermal diffusivity and momentum
in liquid is known as
Prandtl Number
(CH-05; T6-9/T3-5)
What causes feedback on telephone
during raining days?
Oscillation
(CH-08)
What is used in ultrasonic flow meters?
Doppler Effect
(CH 08: Process Control; *Flowmeters:
CH 10)
What do you call the temperature in which the reactor cannot be controlled?
Runaway Temperature
(CH-23)
Oil shale is an organic-rich-fine-grained
sedimentary rock also known as
Kerogen
(CH-24: Fuels/Oils)
What do you call the temperature in which the reactor cannot be controlled?
Runaway Temperature
(CH-23: Process Safety)
It is a liquid that does not flow at all until a threshold shear stress is attained
Bingham plastic
In feedback control system for temperature control, a thermocouple measures the temperature and the output is fed to a controller. What results when one of the components known as a comparator compares a measured temperature value with desired value or set point?
Error
(CH-08: Process Control; P8-5)
The measure of a material’s ability to radiate absorbed energy.
Emissivity
In agitation, which among the following will not prevent
swirling or the formation of a vortex:
Installing baffles in the tank
Product of alumina and silica at high
temperature
Kaolinite
(CH-25: Matl’s of Construction)
What happens to the particle when grinding
limit is reached?
No change in particle size
(CH21: Size Reduction P21-67)
This phenomenon occurs in a fluid flow system when the local static pressure drops below the vapor pressure of the liquid at the existing temperature, resulting to damage to pumps and control valves from the formation of “BUBBLES” or VOIDS.
Cavitation
Heat Capacity is defined as C=dQ/dT. What is the difficulty about the relationship of C to Q which are supposedly state functions?
It is a process-dependent quantity.
What protective response which is initiated upon detection of a process hazard?
Interlock
(CH-08: Process Control)
The Brinell Number of a materials is a
measure of
Hardness
(CH-25: Mat’l of Construction)
What equation is used to relate reaction, rate constant, k and temperature?
k = A e^(-E/RT)
(CH-07: Reaction Kinetics; E7-8)
Which of the following is an example of
local equilibrium?
Shockwave
(CH 16: Theory of Eqbm; T16-2)
In cubic equations of state, what is the
assumption for the middle root?
No significance (since these roots
are extraneous roots)
CH-04: Cubic EOS
(P4-12)
the value is different during shift-solve
It is the ratio of the normal operation (or design) gas throughput to the minimum allowable gas throughout.
Turdown Ratio
(CH14: Gas Ab; P14-45)
Time-dependent fluids that show
decreasing shear stress with time at
constant shear rate.
Thixotropic
(CH-06: Fluid Dynamics, Reology)
Velocity profile of turbulent flow in buffer
zone?
u+ = 5 ln y+ - 3.05
(CH-06: Velocity Profile;
P6-11; E6-42)
The power law model of dilatant fluids
n>1
(CH-06: Fluid Dynamics; Rheology)
It is the classification of stainless steel designated as 300 series that retains crystalline structure at all temperatures from the cryogenic region to the melting point of the alloy.
Austenitic
(P25-2: Mat’l of Construction, Stainless Steel)
Actual work delivered divided by
theoretical work?
Turbine efficiency
This type of flow-measuring device is typically used for highly corrosive fluids
Magmeter
(CH-08: Process Control or CH-10: Flowmeters)
What is the minimum temperature at which a vapor above a liquid will continue to burn once ignited?
Fire Point
(CH-23: Process Safety;
Concepts start on P23-7)
Considering a substance B with constant thermal conductivity. What should be the expression of thermal resistance of the steady state flow is perpendicular to the slab base on Fourier’s Law?
E5-3: R = B / kA
(CH-05: HEMATRA; Conduction
P5-4-start)
A type of portland cement that contains tricalcium silicate and dicalcium silicate
Low Heat Cement
Other name for yamatake system
Azbil
Animal fixative that comes from deers
Musk
A good general reference on the art of problem solving his classical work
Polya
A feasible design
Plausible
Other term for earthwax
Ozocerite
What defines the virial coefficients shown in the equation as follows:
PV/nRT=1+B/(V/n)+C/(V/n)2+D/(V/n)3+…
Coefficients B,C, and D: each is
dependent of the temperature and
composition of gas mixture
(CH-04: Virial EoS; P4-11)
What is the direct function of the range of an instrument which is the ratio of the upper range value of the instrument of the lower range value?
Turndown
(P8-74)
Difference of highest and lowest ratio
Inherent Rangeability
(P8-74)
In a packed column, which of the following equipment?
Liquid distributor
It is a membrane separation process where a component from a heated liquid phase permeates through the membrane and is removed under low pressure.
Pervaporation
Which anong the following is not an advantage of using a falling film evaporator?
High resistance
Reaction conversion increases with an increase in temperature in the case of which reaction?
Reversible endothermic
