Intro to P-tech Final
list the 2 valves that are part of the quarter turn family
ball valve butterfly valve
what are the three drawings a technician uses
block flow diagram process flow diagram piping and instrumentation diagram
process technicians_____________, organize, and____________data
collect, analyze
what does C stand for
control
a basic principle of quality states
each process has natural variation or a range that it naturally moves through
what two inventions changed the direction of modern chemical processing
electric light bulb & automobile
quality awareness includes all of the following except
emergency response
a process saftey analysis is primarily designed to
est. safe operating parameters
temp is the measure of potential energy
false
the only function of a control loop is to watch the pv
false
what does FI stand for
flow indicator
thermal cracking uses________________to seperate mixtures
heat and pressure
in a process diagram what does the letter I stance for
indicate
what is the fundamental principle of the chemical hazard communication program
informed people are less likely to be joined by chemical processess than uniformed people
what is toxicology?
noxious...
what does P stand for
pressure
what are the main process variables
pressure temp flow level
the primary purpose of process saftey
prevent injuries prevent fires and explosions prevent unexpected releases of hazardous material
process technology is best described as
principles associated with the operation & maintance of the CPI
what is the hottest heat transfer area of a fire box
radiant sector
process control is the act of________________one or more process variabes
regulating
process technology programs are
reqionaly accredited for.....
distillation is a process that:
seperate elements by boiling points
saftey awareness is
taught from the first moment you step in the plant
what does TT stand for
temperature transmit
list 3 ways heat can travel
conduction convection radiation
the lifeblood of modern society is
crude oil technology
give an example of a closed loop system
cruise control
what is a typical starting income for a process technician is
$28-34
when was the first oil refinery built by W. Abbott and W. Barnsdall
1860
what year was the occupational saftey and health act passed
1970
the year before osha was enacted there were___________disabling injuries and_____________deaths linked to saftey and heath violations
2.5 mil; 14,000
in the united states, the standard pneumatic signal has a range of
4-20 milliamps 3-15 PSI
who took an old steam engine and adapted it to fit a drill in 1859
Col Edwin Drake
a stem trap is a device that allows stem to flow while catching condensate
False
Pnue-to current converter is
P/I
a system is best described as
a collection of equipment designed to perform a specific function
OSHA and the EPA believe that the key to preventing catastrophic emergencies in the CPI is:
adequately employee training
a closed loop is a signal path with feedback
true
cavitation is when an air pocket forms inside the pump and collapses inside the volute
true
check valves are a type of automatic valve designed to control flow direction
true
flow is interchangeable with flow rate
true
gate valves are not typically used for throttling services
true
heat exchangers allow heat to transfer from one fluid to another by indirect contact
true
the offset is the difference between the pv and set point
value of the setpoint and value of pv
what is set point of a control loop
value that is used as the goal for the loop
OSHA and the EPA believe that the key to preventing catastrophic emergencies inside the chemical processing industry is:
employee training
cooling towers are designed to remove heat through evaporation
false
level can only be measure on the horizontal axis
false
tagnumbers identify the instruments function but not its location
false
pressure is the force applied over a unit of area
true
strainers are used on the inlet side of a pump to prevent solids from entering the system
true
the main process refers to the pipe carrying a chemical
true
