Study Prep for EPRI test questions with verified ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
detailed answers ||\\|//||
What is the maximum allowed deviation (in mADC) for a device that has an accuracy
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
requirement of 0.5% and an output span of 16 mADC? ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
0.08 mADC ||\\|//||
Deviation=Span X (Accuracy/100) ||\\|//|| ||\\|//||
What procedure should be enacted before working on an electrical or pneumatic system?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Lockout/Tagout
What is the total resistance of a parallel circuit with resistances of 25, 35, and 45 ohms?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
11 ohms
||\\|//||
Who is authorized to remove each lock and tag applied?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Only the technician who applied the lock
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
What should an instrument technician evaluate before opening a process line?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
The SDSs for the chemicals in the line
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
,What is the proper ratio of rise to run for an extension ladder?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
4:1
Find the volume of a tank with a diameter of 12 feet and a height of 37 feet.
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
4,183.8 cu. ft. ||\\|//|| ||\\|//||
V = (3.14) (R^2) (H)
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Find the DC voltage drop across a 250-ohm resistor with a current of 16 milliamperes DC.
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
4 VDC
||\\|//||
E=IxR ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Convert 4,500 cubic feet to gallons. ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
33,662.25 gallons ||\\|//||
Gallons = (CuFt) (7.48) ||\\|//|| ||\\|//|| ||\\|//||
What does not determine the severity of an electrical shock?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Temperature
This vocabulary term is defined as "a system in which deliberate guidance or manipulation
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
is used to achieve a prescribed value or variable."
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Control System ||\\|//||
,Where in the physical process would a primary element be located?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
In contact with the process
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Automatic control systems relieve the operator of the responsibility to maintain a process. ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
True or False? ||\\|//|| ||\\|//||
True
Process variables in a system requiring control include which of the following?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Density
Flow
Specific Gravity ||\\|//||
Volume
Flow
How are inputs and outputs typically connected to the controller in a process system?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Twisted-pair wiring ||\\|//||
What type of signal is represented by a packet of information containing a series of discrete
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
bits?
||\\|//||
Digital
, What type of signal can be used as inputs to record a range of values and as outputs to
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
position a final control element? ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Analog
What is a Process? ||\\|//|| ||\\|//|| ||\\|//||
A system being measured and controlled.
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
A control valve is considered to be which element in a process?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Final control element ||\\|//|| ||\\|//||
A control loop that uses float switches to turn a pump on and off is referred to as which
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
type of control? ||\\|//|| ||\\|//||
Discrete
What do symbols portrayed on diagrams and drawings depict?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Instruments
What is the name of the unique identification code for devices shown on instrumentation
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
drawings and diagrams? ||\\|//|| ||\\|//||
Tag number ||\\|//||
detailed answers ||\\|//||
What is the maximum allowed deviation (in mADC) for a device that has an accuracy
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
requirement of 0.5% and an output span of 16 mADC? ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
0.08 mADC ||\\|//||
Deviation=Span X (Accuracy/100) ||\\|//|| ||\\|//||
What procedure should be enacted before working on an electrical or pneumatic system?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Lockout/Tagout
What is the total resistance of a parallel circuit with resistances of 25, 35, and 45 ohms?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
11 ohms
||\\|//||
Who is authorized to remove each lock and tag applied?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Only the technician who applied the lock
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
What should an instrument technician evaluate before opening a process line?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
The SDSs for the chemicals in the line
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
,What is the proper ratio of rise to run for an extension ladder?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
4:1
Find the volume of a tank with a diameter of 12 feet and a height of 37 feet.
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
4,183.8 cu. ft. ||\\|//|| ||\\|//||
V = (3.14) (R^2) (H)
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Find the DC voltage drop across a 250-ohm resistor with a current of 16 milliamperes DC.
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
4 VDC
||\\|//||
E=IxR ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Convert 4,500 cubic feet to gallons. ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
33,662.25 gallons ||\\|//||
Gallons = (CuFt) (7.48) ||\\|//|| ||\\|//|| ||\\|//||
What does not determine the severity of an electrical shock?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Temperature
This vocabulary term is defined as "a system in which deliberate guidance or manipulation
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
is used to achieve a prescribed value or variable."
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Control System ||\\|//||
,Where in the physical process would a primary element be located?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
In contact with the process
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Automatic control systems relieve the operator of the responsibility to maintain a process. ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
True or False? ||\\|//|| ||\\|//||
True
Process variables in a system requiring control include which of the following?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Density
Flow
Specific Gravity ||\\|//||
Volume
Flow
How are inputs and outputs typically connected to the controller in a process system?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Twisted-pair wiring ||\\|//||
What type of signal is represented by a packet of information containing a series of discrete
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
bits?
||\\|//||
Digital
, What type of signal can be used as inputs to record a range of values and as outputs to
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
position a final control element? ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Analog
What is a Process? ||\\|//|| ||\\|//|| ||\\|//||
A system being measured and controlled.
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
A control valve is considered to be which element in a process?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Final control element ||\\|//|| ||\\|//||
A control loop that uses float switches to turn a pump on and off is referred to as which
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
type of control? ||\\|//|| ||\\|//||
Discrete
What do symbols portrayed on diagrams and drawings depict?
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
Instruments
What is the name of the unique identification code for devices shown on instrumentation
||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//|| ||\\|//||
drawings and diagrams? ||\\|//|| ||\\|//||
Tag number ||\\|//||
