Domain IV Development Flashcards

1
Q

The graphic display for a distillation column in a refining train would BEST fit in the HMI display hierarchy at which level?
a. Plant
b. Area
c. Group
d. Loop

A

c. Group

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2
Q

When developing HMI screens it is recommended that the quantity of items an operator has to remember is less than:
a. 1
b. 3
c. 7
d. 20

A

c. 7

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3
Q

The average person cannot respond to signals more frequent than one every:
a. 30 ms
b. 80 ms
c. 300 ms
d. 800 ms

A

c. 300 ms

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4
Q

Which database arranges data in a tabular format and links records by key values?
a. Hierarchical
b. Neutralized
c. Relational
d. Distributed

A

c. Relational

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5
Q

Which PLC programming languages consists of contacts, timers, and counters?
a. Sequential Function Charts (SFC)
b. Ladder Diagram (LD)
c. Function Block Diagram (FBD)
d. Structured Text (ST)

A

b. Ladder Diagram (LD)

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6
Q

In a typical PLC timer, what does the value of the preset determine?
a. The on-delay or off-delay function of the timer
b. The amount of time the timer has been running
c. The resolution of the time base, such as 1.0, 0.1, or 0.01 seconds
d. The amount of time the timer runs before its output energizes or de-energizes

A

d. The amount of time the timer runs before its output energizes or de-energizes

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7
Q

What should a loop diagram contain?
a. Location, panel, and circuit numbers
b. SAT document number and test number
c. Termination numbers, wiring numbers, and color
d. Calibration information, manufacturer’s information, and power source

A

c. Termination numbers, wiring numbers, and color

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8
Q

Which of the following security technologies would BEST protect a manufacturing and control system from file transfer protocol access from outside the network?
a. Intrusion detection
b. Public key encryption
c. Password authentication
d. Firewall

A

d. Firewall

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9
Q

A binary number of 1101 has a hexadecimal equivalent of:
a. 8
b. 13
c. A
d. D

A

d. D

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10
Q

Which set of documents should be reviewed to gain a quick understanding of plant operations?
a. System architecture diagrams
b. Piping and Instrumentation diagrams
c. Plant layout drawing
d. Process flow diagrams

A

d. Process flow diagrams

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11
Q

What feature of the IEEE 802.15.4 (ZigBee) protocol contributes MOST to long battery life?
a. It utilizes an extremely low duty cycle.
b. It uses Ultra-WideBand (UWB) technology
c. It uses ultra-high-efficiency lithium ion batteries
d. It uses efficient bi-synchronous communication techniques

A

a. It utilizes an extremely low duty cycle.

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12
Q

What is the advantage of using connection-less protocol (UDP) over connection-oriented protocol (TCP)?
a. UDP provides flow control
b. UDP eliminates overhead
c. UDP provides flow control
d. UDP eliminates duplicate packets automatically

A

b. UDP eliminates overhead

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13
Q

According to the recommendations of the Engineering Equipment and Material Users Association (EEMUA) Publication 191, what is the typical MAXIMUM number of alarms per day?
a. 75 alarms per day
b. 300 alarms per day
c. 950 alarms per day
d. 1600 alarms per day

A

b. 300 alarms per day

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14
Q

Which of the following is an application layer protocol in the OSI internetworking model?
a. SLIP (Serial Line Interface Protocol)
b. TCP (Transmission Control Protocol)
c. ICMP (Internet Control Message Protocol)
d. SNMP(Simple Networking Monitoring Protocol)

A

d. SNMP(Simple Networking Monitoring Protocol)

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15
Q

Which class of IP Version 4 addressing scheme will have 8 bits for the network address and 24 bits for the host addresses?
a. Class A
b. Class B
c. Class C
d. Class D

A

a. Class A

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16
Q

Which of the following OPC applications can be used to access trend data?
a. OPC S
b. OPC DA
c. OPC HDA
d. OPC A&E

A

c. OPC HDA