Govt. Exams Mock Test Practice Chemical Engineering - Set 12

Chemical Engineering Mock Test - Set 12

---

Today, all competitive exams are Multiple Choice Questions(MCQ) based examination system and the main factor is to answer each question in a prescribed time. So, practice as much as possible before the original test you are going to face.

Total number of Multiple Choice Question (MCQ) is 15 and time allotted for each question is 30 seconds. After the allotted time, the question will be marked as un-attempt.

Test Conducted by: ObjectiveBooks.com

---

 Next Mock Tests:

Set 01

Set 02

Set 03

Set 04

Set 05

Set 06

Set 07

Set 08

Set 09

Set 10

Set 11

Set 12

---

View Test Result:

01. Pig iron is a product of
     (A) Electric arc furnace
     (B) Cupola
     (C) Blast furnace
     (D) Open hearth furnace
     Answer: Option C

02. In radiative heat transfer, a grey surface is the one, which has
     (A) Emissivity independent of wavelength
     (B) Grey appearance to the eye
     (C) Zero reflectivity
     (D) Equal brightness in all directions
     Answer: Option A

03. The following is a typical anionic collector used in flotation.
     (A) Ethyl dixanthogen
     (B) Trimethyl cetyl ammonium bromide
     (C) Potassium ethyl xanthate
     (D) Laurylamine hydrochloride
     Answer: Option C

04. Iron has got __________ isotopes.
     (A) No
     (B) Four
     (C) Three
     (D) Two
     Answer: Option B

05. Powder metallurgy processing can be used for making
     (A) Dispersion strengthened copper rod
     (B) Self lubricating bearing and cemented carbide
     (C) Connecting rod
     (D) Piston
     Answer: Option B

06. The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system.
     (A) Pulverised fuel
     (B) Travelling grate stoker firing
     (C) Circulating fluidised bed
     (D) Fluidised bed
     Answer: Option A

07. Ageing of steel refers to the
     (A) Degradation of steel by corrosion
     (B) Failure of steel structure by overstressing
     (C) Return of sharp yield point in temper rolled low carbon sheet after a period of time
     (D) Decarburisation of steel by overheating
     Answer: Option C

08. A spark ignition petrol engine has
     (A) Throttle valve
     (B) Carburettor
     (C) Both (a) & (b)
     (D) Neither (a) nor (b)
     Answer: Option C

09. __________ addition increases the depth of hardness of steel.
     (A) Chromium
     (B) Nickel
     (C) Tungsten
     (D) Vanadium
     Answer: Option A

10. Old cycle handles are coated with nickel using
     (A) Cementation
     (B) Spray coating
     (C) Galvanising process
     (D) Tinning process
     Answer: Option B

11. Which drug is made from vegetables?
     (A) Pencilling
     (B) Aspirin
     (C) Quinine
     (D) Insulin
     Answer: Option C

12. When the weight of a ball inside the ball mill is just balanced by the centrifugal force,
     (A) The ball abandons its circular path for a parabolic path
     (B) The ball abandons its parabolic path for a circular path
     (C) The ball continues to move on a circular path
     (D) The ball continues to move on a parabolic path
     Answer: Option A

13. Turning/machining of __________ usually does not require any cutting fluid.
     (A) Cast iron
     (B) Stainless steel
     (C) Mild steel
     (D) Copper
     Answer: Option A

14. Which of the following is not used as a fuel in rocket propellants?
     (A) Liquid hydrogen
     (B) Liquid oxygen
     (C) Liquid hydrazine
     (D) Kerosene oil
     Answer: Option B

15. Commonly used flux for brazing is
     (A) Zinc chloride
     (B) Borax
     (C) Ammonium chloride
     (D) Rosin
     Answer: Option B

---