Compaction Equipment in Construction

What is the primary function of road rollers?

To create an inclined surface
To grade a flat surface
To compact the surface being rolled (correct)
To repair potholes on roads

What type of compactor is suitable for compacting loose gravel and sand on footpaths?

Earth compactor
Road roller
Plate compactor (correct)
Vibratory roller

What is another name for a grader?

Motor grader (correct)
Earth compactor
Road roller
Pneumatic roller

What type of roller is used for initial compaction of the substrata?

Pneumatic roller (A) Signup and view all the answers

What is the purpose of metal-drum rollers?

To ensure a smooth, even result (D) Signup and view all the answers

What is the function of a grader?

To create a flat surface (D) Signup and view all the answers

What is the purpose of the form?

To request a concrete pouring inspection (B) Signup and view all the answers

What type of equipment is being referred to in section 8.1?

Vibrators (D) Signup and view all the answers

What is the purpose of the 'Compressive Strength' field?

To measure the compressive strength of the concrete (C) Signup and view all the answers

What is the significance of the 'Slump' field?

It measures the consistency of the concrete (A) Signup and view all the answers

What is the purpose of the 'Cleanliness' section?

To ensure the cleanliness of the site (B) Signup and view all the answers

What type of systems are referred to in sections 6.5 and 6.6?

Electrical and fire alarm systems (D) Signup and view all the answers

Why is it important to remove hardened pieces of cement from the batch?

To ensure the strength of the concrete is not reduced (D) Signup and view all the answers

What is the primary contributor to the strength of concrete?

Aggregate (B) Signup and view all the answers

Why should reinforcing steel be stored in a clean location?

To prevent rust (C) Signup and view all the answers

What is the unit weight of steel in kg/m3?

7,850.0 (B) Signup and view all the answers

What is the purpose of the Philippine National Standard 49?

To ensure the quality of steel bars in the Philippines (B) Signup and view all the answers

What type of water is not suitable for mixing concrete?

Salt water (B) Signup and view all the answers

What is the purpose of forms or shuttering in concrete works?

To cast concrete into the desired shape (D) Signup and view all the answers

How can you ensure that a steel bar conforms to PNS 49?

By checking the manufacturer's accreditation and testing the steel bar (C) Signup and view all the answers

What is an advantage of using wooden boards for forms or shuttering?

They are durable and can be reused many times (D) Signup and view all the answers

What is the formula to calculate the diameter of a rebar?

π(D)^2 x (1000mmL) x 7850 kg x 4 (A) Signup and view all the answers

What is the name of the department responsible for regulating the standards of steel bars in the Philippines?

Department of Trade and Industry (B) Signup and view all the answers

What is the purpose of the Department Administrative Order No. 9:1990?

To define the responsibilities of manufacturers and importers (D) Signup and view all the answers

What is a common issue with litigation that affects the relationship between parties?

The parties may substantially relinquish control over the outcome of the dispute (D) Signup and view all the answers

What is the primary role of a mediator in a mediation process?

To facilitate the negotiation between the parties (C) Signup and view all the answers

What is a disadvantage of arbitration, similar to litigation?

It is usually started too late, takes too long, and costs too much (A) Signup and view all the answers

What is the primary difference between arbitration and mediation?

The level of control the parties have over the outcome (C) Signup and view all the answers

What is a common consequence of litigation and arbitration?

Irreparable damage to the relationship between the parties (A) Signup and view all the answers

What is the purpose of negotiation, according to Smith et al. (1996)?

To facilitate a voluntary pre-hearing or mandatory pretrial (A) Signup and view all the answers