- Study guides, Class notes & Summaries

ACI Strength Exam Study Guide questions with correct answers

-

20 pages

Written in 2023/2024

Grade A+

BillRanker

What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? Answer Changing the infrastructure all at once would cause too many service disruptions. What is the difference between the fiber-to-the-node (FTTN) and fiber-to-the-curb (FTTC) topologies? Answer An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises. Which type of star topology used in a passive optical ...

-

20 pages

Written in 2023/2024

Grade A+

BillRanker

Aci Aggregate Testing Technician - Level 1 - Section 1 With All Correct & Verified Answers

-

2 pages

Written in 2024/2025

Grade A+

Stuvia2026

ACI Concrete Field Testing Technician- Grade I Questions And Answers

-

22 pages

Written in 2024/2025

Grade A+

professoraxel

ACI Field Grade 1 Practice Test | 50 Questions with 100% Correct Answers | Verified | Latest Update 2024 The temperature measuring device shall be cable of accurately measuring the temperature of freshly mixed concrete to 1°F throught a range of____________________________. - - 30 - 120°F It is acceptable to measure the temperature of freshly mixed concrete in the forms provided? - - The sensor of the temperature measuring device has at least 3 in. of cover in all directions. Composite s...

-

6 pages

Written in 2023/2024

Grade A+

MERCYTRISHIA

Which concept has enabled Software as a Service (SaaS), Platform as a Service (PaaS), and Networking as a Service (NaaS) offerings? Answer The separation of the transport and connectivity from the applications and services running atop the transport. Which piece of equipment in a VoIP (voice over Internet protocol) phone system routes a call to the public switched telephone network (PSTN) when the receiving location is from outside the Packet Cable managed IP network? Answer Gateway Wha...

-

17 pages

Written in 2023/2024

Grade A+

BillRanker

Lesson 2 Answer Lesson Two Local Area Network (LAN) Answer Which small network is private to the organization sharing a common communications line linking together devices such as computers, printers, and other peripherals? Media Access Control Address (MAC Answer Which of the following is a unique address that is physically assigned to devices such as a modem or network interface card (NIC) Data Link Layer and physical Layer Answer Which 2 layers of the open systems interconnection (OS...

-

11 pages

Written in 2023/2024

Grade A+

BillRanker

Which of the following is most typical of a broadband network? Answer Multiple analog channels What components are common to all computer systems? (Check all that apply.) Answer Processor Memory Storage I/O What does I/O stand for? Answer Input / Output A NIC is a device used for: Answer Signaling A sound card is what general type of computer component? Answer Input/output Which of the following is managed by the OS? Answer Keyboard input Screen display File I/O Peripheral c...

-

25 pages

Written in 2023/2024

Grade A+

BillRanker

What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? Answer Changing the infrastructure all at once would cause too many service disruptions. What is the difference between the fiber-to-the-node (FTTN) and fiber-to-the-curb (FTTC) topologies? Answer An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises. Which type of star topology used in a passive optical ...

-

20 pages

Written in 2023/2024

Grade A+

BillRanker

The open system interconnection reference model (OSI/R<) Network layer serves which primary function? Answer It uses layer 3 addresses to create multiple routed networks The address 68.56.189.17 belongs to which internet protocol IP class? Answer Class A What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? Answer The datagram loops back inside the host and never leaves the network interface card (NIC) Which device evaluates and acts upon a packet's inte...

-

16 pages

Written in 2023/2024

Grade A+

BillRanker

What is unique about WDM - PON ? Answer WDM-PON deployed in a greenfield system allows each subscriber to get their own designated wavelength. What is the main benefit of deploying WDM technology? Answer It will increase the capacity of the existing fiber networks tenfold without adding any more fiber. How are optical splitters used in the forward path? Answer As passive branching devices that divide an optical signal across multiple output fibers. What is the purpose of a fiber demarca...

-

33 pages

Written in 2023/2024

Grade A+

BillRanker

Which piece of equipment in the VoIP phone system routes a call to the public switched telephone network (PTSN) when the receiving location is from outside the PacketCable managed IP network? Answer Gateway What are the three sub-network interfaces managed by PacketCable? Answer Hybrid fiber/coax (HFC), managed IP, and public switched telephone network (PSTN). Why is PacketCable VoIP a more efficient way of handling calls? Answer Most cable operators have built their own IP telephone netwo...

-

19 pages

Written in 2023/2024

Grade A+

BillRanker

Current/ amperage Answer Flow or movement of electric charges Resistor Answer a passive two-terminal material that impedes the flow of current What is the most common workplace hazard involving electricity? Answer Electrical shocks What is minimum approach distance? Answer The shortest safe distance to keep from energized conductors CATV at the pole Answer 40'' CATV at the mid-span Answer 24'' CATV at the house Answer 12'' Live parts of electric equipment must be guard...

-

8 pages

Written in 2023/2024

Grade A+

BillRanker

What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? Answer Changing the infrastructure all at once would cause too many service disruptions. What is the difference between the fiber-to-the-node (FTTN) and fiber-to-the-curb (FTTC) topologies? Answer An FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises. Which of these components is used in a passive optical...

-

26 pages

Written in 2023/2024

Grade A+

BillRanker

Upstream frequency ranges Answer between 5Mhz and 42Mhz Downstream frequency ranges Answer Between 50MHz 860MHz Upstream frequency ranges Answer 5MHz and 42 MHz A 6 MHz downstream channel can hold Answer 2-4 hd channels or 8-12 standard definition channels Egress Answer When a signal leaks out of a cable Ingress Answer when a signal leaks into a cable Field technicians are responsible from Answer The tap to the CPE (customer premise equipement) The most preferred BER is meas...

-

16 pages

Written in 2023/2024

Grade A+

BillRanker

1.5 inches Answer The slump test is applicable to plastic concrete with a maximum size aggregate of ... wet sieved over a 1.5" sieve Answer When the concrete contains aggregate larger than allowed for the slump test, the large aggregate must be ... frustum of a cone Answer The mold for making the slump test is in the shape of ... 12 inches Answer The height of the slump mold is ... False Answer The interior surface of the slump mold is allowed to have minor irregularities. True or F...

-

3 pages

Written in 2023/2024

Grade A+

BillRanker

making, curing, protecting, transporting Answer Practice C31/C31m gives standardized requirements for ______, _________ , ________ and _________. 5/8 plus or minus 1/16" Answer For cylinders with a diameter of 150 mm [6 in] or greater, the tamping rod must be a round, straight steel rod with a diameter of ... 9,000 vibrations per minute Answer The minimum frequency of an internal vibrator used in this procedure is ... metal pan, wheelbarrow, clean nonabsorbent mixing board Answer The c...

-

4 pages

Written in 2023/2024

Grade A+

BillRanker

correct answers Rigid supports for a straightedge used to stick off concrete can be: a. temporary pipes or rails b. edge forms c. the top of the edge of adjacent hardened concrete d. all of the above Answer d. all of the above How can workers avoid low spots when using hand operated straightedges? Answer Make sure there is always enough concrete ahead of the straightedge. Hand-held vibrating screeds are often useful when striking off concrete with ________ ________. Answer wet screeds...

-

6 pages

Written in 2023/2024

Grade A+

BillRanker

False Answer The method of determining air content containing lightweight aggregate is the pressure method. True or False? True Answer When making a test cylinder from concrete being used in construction, the field technician must also measure the slump of the concrete. True or False? Disregard the test and retest on another portion of the sample. Answer While the technician is checking the slump of the concrete, there is a decided falling away or shearing off of the concrete from one side...

-

3 pages

Written in 2023/2024

Grade A+

BillRanker

ACI Certification Practice Exam questions with correct answers.

-

5 pages

Written in 2023/2024

Grade A+

BillRanker

Planeness, perpendicularity Answer These procedures for capping enable concrete cylinders and cores to meet the standard practice's requirements for ___ and ___. Plates, alignment, melting Answer Equipment needed for the capping process includes capping ___, ___ devices, and ___ pots. Glass, metal, granite, or diabase Answer Plates for neat cement and high-strength gypsum plaster caps should be made of ___, ___, or ___. Metal, stone Answer Sulfur mortar cap plates should be formed agai...

-

3 pages

Written in 2023/2024

Grade A+

BillRanker