Engineering Materials MCQs | BME MCQs

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Hello Friends !!! I am from quickstudyhelper.com. In today’s post, we are going to see very important ‘Engineering Materials MCQs | BME MCQs’ which help you in your examination. If you are preparing for a competition exam, board exam, and engineering exam then you can read these MCQs. These MCQs are based on RGPV syllabus but it also important for any other examination.

RGPV Unit – 1 Engineering Materials MCQs

Q1. Ferrous and non-ferrous is which type of engineering material.

  1. Metallic materials
  2. Non Metallic materials
  3. Ferrous materials
  4. Non Ferrous materials

Answer: – 1) Metallic materials

Q2. Brittle materials are ___ in tension and___ in compression.

  1. strong, weak
  2. weak, stronger
  3. weak, weak
  4. strong, stronger

Answer: – 2) weak, stronger

Q3. Cast iron and steels are which type of material.

  1. Metallic materials
  2. Non Metallic materials
  3. Ferrous materials
  4. Non Ferrous materials

Answer: – 3) Ferrous material

Q5. Stainless steels, aluminum, and its alloys, and copper are which types of material.

  1. Metallic materials
  2. Non Metallic materials
  3. Non-ferrous materials
  4. Ferrous material

Answer:- 3) Non-ferrous materials

Q6. The tendency of a material to oppose the action of applied load is called

  1. plasticity
  2. ductility
  3. elasticity
  4. brittleness

Answer:- 3) elasticity

Q7. The property to undergo permanent deformation is called

  1. Plasticity
  2. Ductility
  3. Elasticity
  4. Resilience

Answer:- 1) Plasticity

Q8. The ability to bear external load without breaking is called

  1. Malleability
  2. Ductility
  3. Toughness
  4. Strength

Answer:- 4) Strength

Q9. The ability to undergoes large elongation before breaking is called

  1. Plasticity
  2. Ductility
  3. Toughness
  4. Brittleness

Answer:- 2) Ductility

Q10. The ability to absorb energy without undergoing plastic deformation is called

  1. Resilience
  2. Malleability
  3. Machinability
  4. Hardness

Answer:- 1) Resilience

Q11. Metallic materials have a tendency to undergo continuous deformation even when the applied load is maintained constant. This phenomenon is called

  1. Resilience
  2. Creep
  3. Mach inability
  4. Weld ability

Answer:- 2) Creep

Q12. The process of joining two components is called

  1. Formability
  2. Creep
  3. Mach inability
  4. Weldability

Answer:- 4) Weldability

Q13. A material regains its original shape after the external load is removed due to

  1. Plasticity
  2. Ductility
  3. Elasticity
  4. Brittleness

Answer:-3) Elasticity

Q14. Which property is important for some manufacturing operations like deep drawing, extrusion

  1. Plasticity
  2. Ductility
  3. Elasticity
  4. Brittleness

Answer:- 1) Plasticity

Q15. Lead and aluminum have high

  1. Resilience
  2. Malleability
  3. Mach inability
  4. Hardness

Answer:- 2) Malleability

Q16. Which property is useful when a machine component is subjected to shock and impact loads.

  1. Resilience
  2. Strength
  3. Toughness
  4. Hardness

Answer:- 3) Toughness

Q17. Glass and ceramics have high

  1. Fatigue strength
  2. Malleability
  3. Toughness
  4. Hardness

Answer:- 4) Hardness

Q18. Pure iron is a_______material.

  1. Brittle
  2. Ductile
  3. Soft
  4. Hard

Answer:- 3) Soft

Q19. Steel is an alloy of

  1. Iron and Carbon
  2. Copper
  3. Aluminum
  4. Non of these

Answer:- 1) Iron and Carbon

Q20. Wrought iron is

  1. Ductile
  2. Malleable 
  3. Both 1 and 2
  4. Non of these

Answer:- 3) Both 1 and 2

Q21.  Melting point of iron is

  1. 1392°C
  2. 1538°C
  3. 1910°C
  4. 2109°C

Answer: – 2) 1538°C

Q22. Maximum solubility of carbon in gamma iron is

  1. 3.04%
  2. 3.14%
  3. 2.04%
  4. 2.14%

Answer :- 4) 2.14%

Q23. Is chemical compound of iron and carbon.

  1. Cementite
  2. Austenite
  3. Leduburite
  4. Ferrite

Answer :- 1) Cementite

Q24. Steel can be shaped easily during manufacturing processes.

  1. Low temperature
  2. High temperature
  3. Both a and b
  4. None of these

Answer:- 3) Both a and b

Q25. Which property of cast iron is incorrect.

  1. Good hardness
  2. Very low ductility
  3. High brittleness
  4. Low tensile strength

Answer:- 3) High Brittleness

Q26. Cast irons can be broadly divided into

  1. 2
  2. 5
  3. 4
  4. 6

Answer:- 3) 4

Q27. Which type of cast iron is incorrect.

  1. Black Cast Iron
  2. White Cast Iron
  3. Malleable Cast Iron
  4. Nodular Cast Iron

Answer:- 1) Black Cast Iron

Q28. Which type of cast irons are most widely used in the industry.

  1. Grey Cast Iron
  2. White Cast Iron
  3. Malleable Cast Iron
  4. Nodular Cast Iron

Answer:- 1) Grey Cast Iron

Q29. _____Percentage of graphite_____the mechanical properties of cast iron.

  1. Higher, Increase
  2. Lower, Increase
  3. Higher, Reduce
  4. Lower, Reduce

Answer:- 3) Higher, Reduce

Q30. White cast iron’s Hardness range is in between

  1. 400 to 500 BHN
  2. 500 to 600 BHN
  3. 300 to 400 BHN
  4. 800 to 900 BHN

Answer:- 1) 400 to 500 BHN

Also Read –

Q31. Malleable Cast Iron’s tensile strength is in the range

  1. 350 to 600 N/mm²
  2. 150 to 200 N/mm²
  3. 501 to 100 N/mm²
  4. 750 to 900 N/mm²

Answer :- 1) 350 to 600 N/mm²

Q32. Malleable cast iron’s Hardness range is in between

  1. 400 to 500 BHN
  2. 160 to 270 BHN
  3. 310 to 400 BHN
  4. 400 to 600 BHN

Answer:- 3) 160 to 270 BHN

Q33. Nodular Cast Iron is also called

  1. High strength cast aluminum
  2. Low strength cast aluminum
  3. High Strength Cast Iron or Ductile Cast Iron
  4. Low Strength Cast Iron or Ductile Cast Iron

Answer:- 3) High Strength Cast iron or Ductile Cast Iron

Q34. Nodular Cast Iron’s tensile strength is in the range

  1. 350 to 600 N/mm²
  2. 150 to 200 N/mm²
  3. 500 to 600 N/mm²
  4. 750 to 900 N/mm²

Answer :- 3) 500 to 600 N/mm²

Q35. Mild Steel has carbon in the range

  1. 0.08 to 0.3%.
  2. 0.80 to 0.9%.
  3. 0.01 to 0.3%.
  4. 0.90 to 0.1%.

Answer: – 2) 0.08 to 0.3%.

Q36. Medium Carbon Steel has carbon in the range

  1. 0.3 to 0.6%.
  2. 0.8 to 0.9%.
  3. 0.01 to 0.3%.
  4. 0.9 to 1%.

Answer : – 1) 0.3 to 0.6%.

Q37. High Carbon Steel has carbon in the range

  1. 0.1 to 0.2%.
  2. 0.6 to I%
  3. 0.1to 0.6%.
  4. 0.01 to 0.09%.

Answer : –  2) 0.6 to I%

Q38. Tool Steel has carbon in the range

  1. 0.4 to 0.6%
  2. 0.6 to 0.7%
  3. 0.1to 0.6%.
  4. 0.8 to 1.2%

Answer : –  4) 0.8 to 1.2%

Q39. ______improves corrosion and oxidation resistance

  1. Chromium
  2. Vanadium
  3. Manganese
  4. Molybdenum

Answer :- 1) Chromium

Q40. Increase toughness and endurance strength, thereby improving the fatigue life of components made of medium carbon steels.

  1. Chromium
  2. Vanadium
  3. Silicon and manganese
  4. Molybdenum

Answer:- 3) Silicon and manganese

Q41. The parallel portion in the middle of the Specimen is known as the

  1. Original length
  2. Screw length
  3. Gauge length
  4. None of These

Answer:- 3) Gauge length

Q42. The tensile testing machine has_____grips

  1. 5
  2. 6
  3. 7
  4. 2

Answer:- 4) 2

Q43. The ________test is performed to obtain the value of shear stress of any material.

  1. Rockwell Hardness Test
  2. Brinell Hardness Tes
  3. The Tensile Test
  4. Cross-Shear Test

Answer:- 4) Cross-Shear Test

Q44. Average Shear Stress =

  1. 2load*area
  2. load/area
  3. area/load
  4. load*area

Answer :- 2) load/area

Q45. In_______test the indenter is a square pyramid of diamond

  1. Vickers hardness test
  2. Brinell Hardness Test
  3. Rockwell Hardness Test
  4. Fatigue Test

Answer:- 1) Vickers hardness test

Q46.______is one of the lightest metals used in machines.

  1. Chromium
  2. Aluminium
  3. Magnesium
  4. Copper

Answer: – 2) Aluminium

Q47. Example of Non-Ferrous material is

  1. Copper
  2. Zinc
  3. Titanium
  4. Scandium

Answer: – 1) Copper

Q48. The alloy of aluminum falls into_____categories.

  1. Two
  2. Four
  3. Five
  4. Three

Answer: – 1) Two

Q49. Copper contains less than …….. percent (%) impurities.

  1. 6%
  2. 10%
  3. 15%
  4. 5%

Answer: – 4) 5%

Q50. Strength of copper is______than Steels.

  1. more
  2. less
  3. equal
  4. zero

Answer: – 2) less

Q51. Formula of stress is

  1. Stress = force / area
  2. Stress = force / force
  3. Stress = mass / area
  4. Stress = velocity / area

Answer: – 1) Stress = force / area

Q52. Formula of strain

  1. Strain = change in length / original length
  2. Strain = change in width / original length
  3. Strain = change in Diameter / original length
  4. Strain = change in length / original Area

Answer: – 1) Strain = change in length / original length

Q53. Stress can be classified into

  1. two
  2. three
  3. four
  4. one

Answer: – 1) two

Q54. When the effect of the external force is to increase the length of body the stress is called

  1. Tensile stress
  2. Compressive stress
  3. Normal stress
  4. Tangential stress

Answer: – 1) Tensile stress

Q55. When the effect of external force is to decrease the length of body the stress is called

  1. Tensile stress
  2. Compressive stress
  3. Normal stress
  4. Tangential stress

Answer: – 2) Compressive stress

Q56. Hooke law was first investigated by

  1. J.J. Thomson
  2. Albert Einstein
  3. Faraday
  4. Hooke

Answer: – 4) Hooke

Q57. The relation between stress and strain is

  1. Stress directly proportional strain
  2. Strain directly proportional stress
  3. Stress inversely proportional strain
  4. Strain inversely proportional stress

Answer: – 2) Strain directly proportional stress

Q58. The hardness of steel increases if it contains

  1. Austenite
  2. Martensite
  3. Pearlite
  4. Cementite

Answer: – 2) Martensite

Q59. The elastic stress-strain behavior of rubber is

  1. Linear
  2. Non linear
  3. Plastic
  4. No fixed relationship

Answer: – 2) Non linear

Q60. Isotropic materials are those which have the same

  1. Elastic properties in all directions
  2. Stresses induced in all directions
  3. Thermal properties in all directions
  4. Electric and magnetic properties in all directions

Answer: – 1) Elastic properties in all directions

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