Quiz Questions Practice Chemical Engineering Basics - Set 25 - ObjectiveBooks
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Quiz Questions Practice Chemical Engineering Basics - Set 25

Practice Test: Question Set - 25


1. Cemented carbide tools are not suitable for cutting
    (A) Aluminium
    (B) Brass
    (C) Cast iron
    (D) Steel

2. __________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.
    (A) Beryllium
    (B) Zirconia
    (C) Alumina
    (D) Magnesia

3. Milk is fat dispersed in water. It is an example of
    (A) Suspension
    (B) Emulsion
    (C) Gel
    (D) Solution

4. Case hardening of a material is
    (A) Followed by tempering or carburizing
    (B) Preceded by its tempering
    (C) Done to get a soft ductile interior with a very hard surface
    (D) Carried out to get extreme hardness in its core

5. Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.
    (A) X-rays
    (B) γ-rays
    (C) α-rays
    (D) β-rays

6. According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point is
    (A) 180°
    (B) 212°
    (C) 32°
    (D) 273°

7. __________ is used for tying the steel columns to concrete foundation.
    (A) Grouting
    (B) Eyebolt
    (C) Anchor bolts
    (D) Refractory castables

8. Energy of the sun arises mainly from __________ reactions.
    (A) Fusion
    (B) Fission
    (C) Combustion
    (D) None of these

9. Alloys having more than 80% copper are generally more
    (A) Abrasion resistant
    (B) Corrosion resistant
    (C) Prone to season cracking
    (D) Machinable

10. The phenomenon occurring during explosion of a hydrogen bomb is
    (A) Nuclear fission
    (B) Nuclear fusion
    (C) A combination of both nuclear fission & fusion
    (D) None of these

11. Friction factor for fluid flow in pipe does not depend upon the
    (A) Pipe length
    (B) Pipe roughness
    (C) Fluid density & viscosity
    (D) Mass flow rate of fluid

12. Which of the following has the highest value of refractive index?
    (A) Brine (sea water)
    (B) Diamond
    (C) Distilled water
    (D) Glass

13. Which of the following is preferred for riveting?
    (A) Lap joint
    (B) Butt joint
    (C) Either (a) or (b)
    (D) Neither (a) nor (b)

14. Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)
    (A) A
    (B) l
    (C) A2
    (D) Both 'a' & 'b'

15. In case of simple harmonic motion, displacement is proportional to the
    (A) Velocity
    (B) Acceleration
    (C) Both (a) & (b)
    (D) Neither (a) nor (b)

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