Instrumentation PRACTICE test (103Q's)
A bourdon tube is normally found inside a: -✅✅-pressure gauge
A bubbler is used as feedback in what type of system? - ✅✅-pneumatic
A cascade control is typically used to: - ✅✅-minimize the effects of
secondary variable disturbances based on the primary PV
✅✅
A chemical, classified as a base, harms a human body causing all of the
following EXCEPT: - -calcification of the tongue
A chromatograph is used to: - ✅✅-determine the chemical composition of a
liquid or gas
A confined space is identified as: - ✅✅-having limited entry and exit
A control valve that is labeled "air to open" is one that? - ✅✅-requires air
pressure to open the valve
A DCS accepts 1 to 5 volt inputs. The transmitter outputs are 4-20 mA. What
✅✅
type of resistor should normally be installed in the analog input card? -
-250.0 ohms
✅✅
A drawing that illustrates the physical components of a system, including its
piping, valves, and instrumentations, is called a what? - -P&ID
A gauge pressure of 196 PSI is roughly what in PSIA? - ✅✅-210
✅✅
A loop sheet contains all of the following information EXCEPT: -
-elevation of instruments
✅✅
A machine has been determined to be unsafe to operate. Danger tags and
locks should be used to: - -prevent the operation of the machine
✅✅
A material Safety Data Sheet (MSDS) has all the following sections EXCEPT:
- -disposal contractors
, A physical foundation for digital logic where 0 volts DC represents a logic level
✅✅
of zero , and 5 volts DC represents a logic level of one is called? -
-transistor resistor logic
A PLC is controlled by: - ✅✅-microprocessors
✅✅
A pneumatic signal simulator can be used to calibrate which of the following? -
-pressure switches
✅✅
A relay changes the position of its switch contacts from shelf state when the: -
-relay coil is energized
A series DC circuit consists of 4 resistors. The voltage drops across the
✅✅
resistors are: R1=2V, R2=4v, R3=8V, R4=10V. Which of the following
statements is true? - -circuit voltage = 24V
✅✅
A system installed to provide protection of equipment from line to ground fault
damage is called what - -a ground fault circuit interrupter (GFCI)
A technology bypassing conventional I/O by using direct communications
✅✅
between smart field devices and the associated control processor is: -
-fieldbus
A temperature measuring device that operates on the principle that electrical
✅✅
resistance changes with temperature is which of the following? -
-resistance thermal device
All of the following are loop tuning parameters EXCEPT: - ✅✅-P&ID
✅✅
All of the following are reasons to install heat tracing EXCEPT to control: -
-the sublimation point
✅✅
All of the following are true about direct process recorders EXCEPT: -
-temperature versions normally use a bourdon tube
All of the following items are transducer element EXCEPT a: - ✅✅-control
valve
A bourdon tube is normally found inside a: -✅✅-pressure gauge
A bubbler is used as feedback in what type of system? - ✅✅-pneumatic
A cascade control is typically used to: - ✅✅-minimize the effects of
secondary variable disturbances based on the primary PV
✅✅
A chemical, classified as a base, harms a human body causing all of the
following EXCEPT: - -calcification of the tongue
A chromatograph is used to: - ✅✅-determine the chemical composition of a
liquid or gas
A confined space is identified as: - ✅✅-having limited entry and exit
A control valve that is labeled "air to open" is one that? - ✅✅-requires air
pressure to open the valve
A DCS accepts 1 to 5 volt inputs. The transmitter outputs are 4-20 mA. What
✅✅
type of resistor should normally be installed in the analog input card? -
-250.0 ohms
✅✅
A drawing that illustrates the physical components of a system, including its
piping, valves, and instrumentations, is called a what? - -P&ID
A gauge pressure of 196 PSI is roughly what in PSIA? - ✅✅-210
✅✅
A loop sheet contains all of the following information EXCEPT: -
-elevation of instruments
✅✅
A machine has been determined to be unsafe to operate. Danger tags and
locks should be used to: - -prevent the operation of the machine
✅✅
A material Safety Data Sheet (MSDS) has all the following sections EXCEPT:
- -disposal contractors
, A physical foundation for digital logic where 0 volts DC represents a logic level
✅✅
of zero , and 5 volts DC represents a logic level of one is called? -
-transistor resistor logic
A PLC is controlled by: - ✅✅-microprocessors
✅✅
A pneumatic signal simulator can be used to calibrate which of the following? -
-pressure switches
✅✅
A relay changes the position of its switch contacts from shelf state when the: -
-relay coil is energized
A series DC circuit consists of 4 resistors. The voltage drops across the
✅✅
resistors are: R1=2V, R2=4v, R3=8V, R4=10V. Which of the following
statements is true? - -circuit voltage = 24V
✅✅
A system installed to provide protection of equipment from line to ground fault
damage is called what - -a ground fault circuit interrupter (GFCI)
A technology bypassing conventional I/O by using direct communications
✅✅
between smart field devices and the associated control processor is: -
-fieldbus
A temperature measuring device that operates on the principle that electrical
✅✅
resistance changes with temperature is which of the following? -
-resistance thermal device
All of the following are loop tuning parameters EXCEPT: - ✅✅-P&ID
✅✅
All of the following are reasons to install heat tracing EXCEPT to control: -
-the sublimation point
✅✅
All of the following are true about direct process recorders EXCEPT: -
-temperature versions normally use a bourdon tube
All of the following items are transducer element EXCEPT a: - ✅✅-control
valve
