Construction Materials Testing Quiz

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What is the primary purpose of a Curing Tank?

To determine the strength development and durability of mortar and concrete specimens (correct)

To test the crushing strength of aggregates used for roads and pavements

To determine the surface wear resistance of aggregates

To test the resistance of aggregates to sudden shock or impact loads

What is the primary purpose of a Crushing Test Machine for Aggregates?

To determine the numerical index of strength of crushed aggregates used for roads and pavements (correct)

To determine the surface wear resistance of aggregates by continuous abrasion or scratching

To determine the strength development and durability of mortar and concrete specimens

To determine the relative value of the resistance of aggregates to sudden shock or impact loads

What is the primary purpose of an Impact Testing Machine for Aggregates?

To determine the strength development and durability of mortar and concrete specimens

To determine the numerical index of strength of crushed aggregates used for roads and pavements

To determine the surface wear resistance of aggregates by continuous abrasion or scratching

To determine the relative value of the resistance of aggregates to sudden shock or impact loads (correct)

What is the primary purpose of a Dorry Abrasion Testing Machine?

To determine the surface wear resistance of aggregates by continuous abrasion or scratching (C) Signup and view all the answers

Which property is NOT listed as a physical property of materials in the text?

Tensile Strength (D) Signup and view all the answers

Which of the following is NOT listed as a mechanical property of materials in the text?

Thermal Deformation (B) Signup and view all the answers

What is the primary purpose of maintaining standard conditions like temperature and moisture content in testing?

To ensure the quality and conformity of materials (B) Signup and view all the answers

Which apparatus is NOT typically used in the testing of materials?

Wire Mesh (C) Signup and view all the answers

Why is sampling and testing considered the most important way to ensure quality and specification of construction materials?

To guarantee the quality and specifications of the materials (C) Signup and view all the answers

What is the function of the Universal Testing Machine (UTM) for Compression and Tensile?

Testing material strength under compression and tension (D) Signup and view all the answers

Which apparatus is used in determining the Proctor compaction test?

Beam Mold (C) Signup and view all the answers

What equipment is essential for carrying out the Mortar Flow Table test?

Mixing Pan (D) Signup and view all the answers

What is the purpose of determining the normal consistency of hydraulic cement paste according to ASTM C187?

To find the minimum water quantity required for forming a uniform paste (A) Signup and view all the answers

In the context of ASTM C191, what defines the initial setting time of hydraulic cement?

The time at which a needle fails to penetrate the cement paste (C) Signup and view all the answers

What ASTM standard is used to test the time of setting of hydraulic cement by Vicat Needle?

ASTM C191 (C) Signup and view all the answers

What defines the final setting time of hydraulic cement according to ASTM C191?

The time when a specific needle makes an impression on the paste (B) Signup and view all the answers

What characteristic does the normal consistency test help in determining for hydraulic cement paste?

Specific gravity (C) Signup and view all the answers

Which property of hydraulic cement is NOT typically evaluated using ASTM standards?

Color variation (B) Signup and view all the answers

Which of the following is NOT a standard test method established by national and international bodies like ISO and ASTM?

Testing for mechanical properties (C) Signup and view all the answers

Which of the following is NOT a characteristic of construction materials?

Articles that are to be utilized or consumed during construction (A) Signup and view all the answers

Which of the following is NOT a standard test method for aggregates?

Determining ductility of bitumen (A) Signup and view all the answers

Which of the following is NOT a standard test method for bitumen?

Determining fineness of cement (C) Signup and view all the answers

Which of the following is NOT a standard test method for cement?

Compressive Strength Test (D) Signup and view all the answers

What is the defining characteristic of a pozzolan according to ASTM C595?

It reacts chemically with calcium hydroxide in the presence of moisture to form cementitious compounds (D) Signup and view all the answers

What is the primary constituent of slag cements?

Granulated blast-furnace slag (A) Signup and view all the answers

Which type of cement is produced by calcining a naturally occurring argillaceous limestone at a temperature below the sintering point?

Natural cement (B) Signup and view all the answers

What is the primary constituent of Portland cement according to ASTM C150?

Hydraulic calcium silicates (B) Signup and view all the answers

Which type of cement is produced by pulverizing clinker?

Portland cement (B) Signup and view all the answers

Which type of cement is defined as a hydraulic cement consisting mostly of an intimate and uniform blend of granulated blast-furnace slag and hydrated lime?

Slag cement (A) Signup and view all the answers