Hello students welcome to msbte news in this article we have provided 22231 Chemical Engineering Basics Mcq Questions and Answer. This Chemical Engineering Basics Mcq with Answers is ideal for Students who are in Second Year of Diploma in Chemical Engineering courses. By referring Chemical Engineering Basics Mcq pdf for Diploma you will get to know about the paper pattern of Msbte Mcq Winter 2021 exams.
with this Chemical Engineering Basics Mcqs with Answer Chemical Engineering 2nd year students can practice for their upcoming Winter 2021 exams. In this Chemical Engineering Basics objective questions we have selected 30 important questions from previous year papers. We have Given Chemical Engineering Basics Pdf Download Link Below Feel Free to Download and Learn.
Chemical Engineering Basics Mcq Questions and Answer
1. With increase in temperature, the electrical conductivity of semiconductors
(A) Increases
(B) Decreases
(C) Remain constant
(D) Either (A) or (B), depends on the type of semiconductor
Correct!
Wrong!
2. Laser welding is widely employed in the __________ industries.
(A) Electronic
(B) Structural
(C) Process
(D) Heavy
Correct!
Wrong!
3. Which of the following approaches the ideal gas behavior most closely?
(A) Wet steam
(B) Saturated steam
(C) Superheated steam
(D) Saturated water
Correct!
Wrong!
4. Lap joints are preferred over butt joints in soldering/brazing, because these joints are
(A) Weaker in tension but stronger in shear
(B) Weaker in shear but stronger in tension
(C) Stronger in both shear and tension
(D) The lap joints are easily made
Correct!
Wrong!
5. Normalising does not __________ of a metal.
(A) Improve machinability & tensile strength
(B) Remove internal stresses
(C) Refine the structure
(D) Remove strains caused by cold working
Correct!
Wrong!
6. Which of the following hardness tests does not measure the indentation hardness of metals and alloys?
(A) Vickers hardness test
(B) Shore scleroscope test
(C) Brinell hardness test
(D) Rockwell hardness test
Correct!
Wrong!
7. Gratings is associated with the measurement of
(A) Linear displacement
(B) Concavity/convexity
(C) Surface texture
(D) Flatness
Correct!
Wrong!
8. Fibre reinforced plastic (FRP) are
(A) Made of glass fibre and thermoplastic resins
(B) Anisotropic
(C) Made of thermosetting resin and glass fibre
(D) Both ‘b’ & ‘c’
Correct!
Wrong!
9. Water flow in the river during flood can be categorised as the __________ flow.
(A) Unsteady uniform
(B) Unsteady non-uniform
(C) Steady uniform
(D) Steady non-uniform
Correct!
Wrong!
10. Pick out the correct statement.
(A) Materials exhibiting high elasticity obey Hooke’s law
(B) The elastic behaviour of rubber under compression is the same as its behaviour under tension
(C) The damping capacity of a material is due to its plastic deformation
(D) The stress required to cause plastic flow in polycrystalline material is higher as compared to monocrystalline materials due to the presence of grains of different orientations
Correct!
Wrong!
11. Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying oils?
(A) Elaiden test
(B) Reichert-Meissl value test
(C) Hunter value test
(D) Iodine value test
Correct!
Wrong!
12. Silicon percentage in silicon steel used for electrical equipments is about
(A) 1
(B) 4.0
(C) 8
(D) 14
Correct!
Wrong!
13. Window panes of aeroplanes are normally made of
(A) Perspex (PMMA)
(B) Teflon (PTFE)
(C) Bakelite (phenol formaldehyde)
(D) Polystyrene
Correct!
Wrong!
14. Galvanic corrosion cannot be prevented by
(A) Cathodic protection
(B) Anodic protection
(C) Usage of largest possible anodic area
(D) Any one of these
Correct!
Wrong!
15. Babbitt lining is used on brass/bronze bearings to increase the
(A) Antifriction properties
(B) Compressive strength
(C) Bearing resistance
(D) Wear resistance
Correct!
Wrong!
16. Ceramic compounds as compared to metallic compounds
(A) Crystallise faster
(B) Resist greater tensile stress at room temperature
(C) Have higher melting temperature
(D) Are better conductor of electricity at higher temperature
Correct!
Wrong!
17. __________ has the highest melting point out of the following.
(A) Tungsten
(B) Zirconium
(C) Molybdenum
(D) Tantalum
Correct!
Wrong!
18. Air-petrol ratio for maximum power generation in spark ignition engine is about
(A) 6 : 1
(B) 12 : 1
(C) 18 : 1
(D) 24 : 1
Correct!
Wrong!
19. The most serious manufacturing defect from fracture toughness point of view is
(A) Surface roughness
(B) Pores
(C) Spherical inclusion
(D) Crack
Correct!
Wrong!
20. In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material?
(A) Tin
(B) Lead
(C) Zinc
(D) Glass
Correct!
Wrong!
- Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking isÂ
(A) Malleable iron
(B) Grey cast iron
(C) Chilled cast iron
(D) White cast iron
Correct!
Wrong!
22. The dew point temperature lines on psychrometric charts are straight inclined sloping downwards to the right. When relative humidity of moist air is 100%, then
(A) Wet bulb temperature=dry bulb temperature
(B) Wet bulb temperature=dew point temperature
(C) Saturation temperature=dew point temperature
(D) All ‘a’, ‘b’ & ‘c’
Correct!
Wrong!
23. Fatigue limit improvement by over stressing the metal by successively increasing the load is called coaxing. In fatigue failure, the material fails
(A) Below the yield point
(B) Above the yield point
(C) Below the elastic limit
(D) At the elastic limit
Correct!
Wrong!
24. Addition of silicon to cast iron
(A) Promotes graphite module formation
(B) Improves its ductility
(C) Does not promote graphite flakes formation
(D) Increases the fluidity of molten metal
Correct!
Wrong!
25. The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as
(A) Rigid
(B) Tough
(C) Ductile
(D) Plastic
Correct!
Wrong!
26. __________ is used as a material of construction for the blade of power saw.
(A) Wrought iron
(B) Stainless steel
(C) Mild steel
(D) High speed steel
Correct!
Wrong!
27. A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation material forming the inner part. If the two insulating layers are interchanged, the heat conducted will
(A) Increase
(B) Decrease
(C) Remain unaffected
(D) May increase or decrease; depends on the thickness of each layer
Correct!
Wrong!
28. Pick out the wrong statement.
(A) Cold cracking of a weld is due to the presence of hydrogen gas in the weld
(B) True stress is given by, σ = σE (1 + εE), where σE and εE are engineering stress and engineering strain respectively
(C) Phosphorous can be easily recovered in the iron blast furnace
(D) High residual stress at the surface is beneficial for fatigue properties of a material
Correct!
Wrong!
29. The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the
(A) Ability to absorb shock
(B) Capacity to store energy
(C) Ratio of the wire & coil diameters
(D) Load to produce unit deflection
Correct!
Wrong!
30. The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation is
(A) More
(B) Equal
(C) Less
(D) Double
Correct!
Wrong!
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22231 Chemical Engineering Basics Mcqs with Answer Pdf
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