MCQ in Engineering Materials Part 10 | ECE Board Exam

This is the Multiple Choice Questions in Engineering Materials Part 10 of the Series as one of the General Engineering and Applied Sciences (GEAS) topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including past Board Questions in General Engineering and Applied Sciences (GEAS) field.

Continue Practice Exam Test Questions Part 10 of the Series

⇐ MCQ in Engineering Materials Part 9 | ECE Board Exam

Choose the letter of the best answer in each questions.

451. The ability of a material to withstand bending forces without failure is known as ________.

A. Toughness

B. Flexural strength

C. Hardness

D. Resilience

452. What is the maximum stress a material can endure before breaking?

A. Yield strength

B. Ultimate strength

C. Proportional limit

D. Shear strength

453. A material that exhibits significant plastic deformation before failure is classified as ________.

A. Brittle

B. Ductile

C. Elastic

D. Malleable

454. The time-dependent deformation of a material under constant stress is referred to as ________.

A. Creep

B. Fatigue

C. Hardness

D. Resilience

455. Which of the following tests is used to determine the hardness of a material?

A. Charpy test

B. Brinell test

C. Tensile test

D. Fatigue test

456. What property describes the ability of a material to resist the initiation and propagation of cracks?

A. Fracture toughness

B. Hardness

C. Elasticity

D. Plasticity

457. The ratio of stress to strain in the elastic region of a material is known as ________.

A. Shear modulus

B. Bulk modulus

C. Modulus of elasticity

D. Poisson’s ratio

458. Which of the following materials is an excellent thermal conductor?

A. Copper

B. Glass

C. Rubber

D. Plastic

459. The property of a material to resist wear or abrasion is called ________.

A. Hardness

B. Toughness

C. Elasticity

D. Malleability

460. The resistance to alternating or repeated stresses that leads to failure is called ________.

A. Fatigue strength

B. Yield strength

C. Ultimate tensile strength

D. Impact strength

461. The material property that allows it to be hammered or rolled into thin sheets is called ________.

A. Malleability

B. Ductility

C. Toughness

D. Resilience

462. Which of the following is an example of a ferrous material?

A. Aluminum

B. Copper

C. Cast iron

D. Brass

463. The ability of a material to store energy when elastically deformed is known as ________.

A. Toughness

B. Resilience

C. Creep

D. Plasticity

464. What is the process of improving the hardness and strength of steel by heating and then rapidly cooling it?

A. Annealing

B. Quenching

C. Tempering

D. Normalizing

465. Which of the following materials has the highest electrical conductivity?

A. Silver

B. Copper

C. Aluminum

D. Gold

466. The type of stress acting parallel to the cross-sectional area of a material is called ________.

A. Tensile stress

B. Compressive stress

C. Shear stress

D. Normal stress

467. The addition of carbon to iron produces ________.

A. Cast iron

B. Steel

C. Aluminum alloy

D. Brass

468. The tendency of a material to fracture without significant plastic deformation is known as ________.

A. Toughness

B. Ductility

C. Brittleness

D. Malleability

469. What is the name of the property that allows a material to return to its original shape after being deformed?

A. Plasticity

B. Elasticity

C. Hardness

D. Resilience

470. A measure of a material’s ability to conduct heat is called ________.

A. Thermal resistance

B. Thermal conductivity

C. Heat capacity

D. Specific heat

471. The ability of a material to resist impact loads is known as ________.

A. Toughness

B. Resilience

C. Hardness

D. Ductility

472. The process of softening a hardened material by heating it to a specific temperature and then slowly cooling it is called ________.

A. Annealing

B. Quenching

C. Tempering

D. Normalizing

473. What is the term for the temperature at which a material changes from a brittle to a ductile state?

A. Melting point

B. Transition temperature

C. Curie temperature

D. Elastic limit

474. The energy required to propagate a crack in a material is a measure of its ________.

A. Fracture toughness

B. Yield strength

C. Modulus of elasticity

D. Impact strength

475. The ability of a material to withstand a compressive force without failure is called ________.

A. Tensile strength

B. Shear strength

C. Compressive strength

D. Flexural strength

476. Which of the following is an example of a thermoplastic material?

A. Epoxy

B. Polyethylene

C. Bakelite

D. Melamine

477. What type of stress is induced in a material when it is twisted?

A. Shear stress

B. Torsional stress

C. Tensile stress

D. Compressive stress

478. Which material has the highest melting point among the following?

A. Aluminum

B. Tungsten

C. Copper

D. Iron

479. What is the term for a material’s resistance to deformation under a compressive load?

A. Ductility

B. Hardness

C. Bulk modulus

D. Strength

480. The ratio of lateral strain to longitudinal strain is called ________.

A. Modulus of elasticity

B. Poisson’s ratio

C. Shear modulus

D. Bulk modulus

481. Which of the following materials is commonly used in thermocouples?

A. Nichrome

B. Platinum

C. Constantan

D. Tungsten

482. What type of failure occurs in materials subjected to fluctuating stresses below their ultimate strength?

A. Brittle failure

B. Fatigue failure

C. Shear failure

D. Impact failure

483. Which of the following materials is considered an amorphous solid?

A. Quartz

B. Glass

C. Diamond

D. Graphite

484. The property of a material to absorb energy before breaking is known as ________.

A. Elasticity

B. Toughness

C. Plasticity

D. Malleability

485. The ratio of the density of a substance to the density of water is called ________.

A. Mass density

B. Specific weight

C. Specific gravity

D. Relative density

486. What is the temperature at which the ferromagnetic property of a material disappears?

A. Melting point

B. Transition temperature

C. Curie temperature

D. Critical temperature

487. The property of a material to resist fracture due to high impact loads is referred to as ________.

A. Hardness

B. Toughness

C. Resilience

D. Brittleness

488. Which type of steel contains significant amounts of chromium and nickel for corrosion resistance?

A. Carbon steel

B. Stainless steel

C. Tool steel

D. Alloy steel

489. The process of improving the surface properties of a material by diffusing elements like nitrogen is called ________.

A. Annealing

B. Nitriding

C. Tempering

D. Hardening

490. Which material is commonly used for electrical wiring due to its excellent conductivity?

A. Silver

B. Aluminum

C. Copper

D. Gold

491. The resistance of a material to deformation, particularly in the form of scratches or dents, is referred to as ________.

A. Ductility

B. Malleability

C. Hardness

D. Elasticity

492. The amount of deformation a material undergoes before failure when subjected to a tensile force is called ________.

A. Modulus of elasticity

B. Elongation

C. Yield strain

D. Plastic strain

493. Which of the following materials has a body-centered cubic (BCC) crystal structure at room temperature?

A. Aluminum

B. Copper

C. Iron

D. Silver

494. A material that exhibits both viscous and elastic properties when subjected to deformation is called a ________.

A. Elastomer

B. Polymer

C. Viscoelastic material

D. Ceramic

495. Which of the following is considered a ferrous alloy?

A. Brass

B. Stainless steel

C. Bronze

D. Titanium alloy

496. What is the ratio of the applied stress to the resulting strain in the elastic region of a material?

A. Poisson’s ratio

B. Young’s modulus

C. Shear modulus

D. Bulk modulus

497. A material that can withstand extensive deformation without failure is described as ________.

A. Tough

B. Ductile

C. Hard

D. Brittle

498. Which type of deformation occurs when a material returns to its original shape after the removal of an applied force?

A. Elastic deformation

B. Plastic deformation

C. Viscoelastic deformation

D. Brittle fracture

499. The amount of heat energy required to raise the temperature of a unit mass of a material by one degree Celsius is called ________.

A. Thermal conductivity

B. Specific heat

C. Latent heat

D. Heat capacity

500. What type of fracture occurs without any significant plastic deformation?

A. Ductile fracture

B. Brittle fracture

C. Fatigue failure

D. Creep failure

Online Questions and Answers in Engineering Materials Series

Following is the list of multiple choice questions in this brand new series:

Complete List of MCQs in General Engineering and Applied Science per topic