Basics of Chemical Engineering Questions Answers - Set 02 - ObjectiveBooks

Basics of Chemical Engineering Questions Answers - Set 02

Practice Test: Question Set - 02

1. Gratings is associated with the measurement of
    (A) Linear displacement
    (B) Concavity/convexity
    (C) Surface texture
    (D) Flatness

2. 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'

3. Water flow in the river during flood can be categorized as the ________ flow.
    (A) Unsteady uniform
    (B) Unsteady non-uniform
    (C) Steady uniform
    (D) Steady non-uniform

4. Pick out the correct statement.
    (A) Materials exhibiting high elasticity obey Hooke's law
    (B) The elastic behavior of rubber under compression is the same as its behavior 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

5. 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

6. Silicon percentage in silicon steel used for electrical equipments is about
    (A) 1
    (B) 4.0
    (C) 8
    (D) 14

7. Window panes of aeroplanes are normally made of
    (A) Perspex (PMMA)
    (B) Teflon (PTFE)
    (C) Bakelite (phenol formaldehyde)
    (D) Polystyrene

8. Galvanic corrosion cannot be prevented by
    (A) Cathodic protection
    (B) Anodic protection
    (C) Usage of largest possible anodic area
    (D) Any one of these

9. Babbitt lining is used on brass/bronze bearings to increase the
    (A) Antifriction properties
    (B) Compressive strength
    (C) Bearing resistance
    (D) Wear resistance

10. Ceramic compounds as compared to metallic compounds
    (A) Crystallize faster
    (B) Resist greater tensile stress at room temperature
    (C) Have higher melting temperature
    (D) Are better conductor of electricity at higher temperature

11. ________ has the highest melting point out of the following.
    (A) Tungsten
    (B) Zirconium
    (C) Molybdenum
    (D) Tantalum

12. 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

13. The most serious manufacturing defect from fracture toughness point of view is
    (A) Surface roughness
    (B) Pores
    (C) Spherical inclusion
    (D) Crack

14. 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

15. Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is
    (A) Malleable iron
    (B) Grey cast iron
    (C) Chilled cast iron
    (D) White cast iron

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