Chemical Engineering MCQs [Quiz 22]

Q1. The noble metals
(A) Are exemplified by Na, K and Li
(B) Do not resist corrosion very strongly
(C) Are the lowermost in the electro-chemical series of metals
(D) None of these

Q2. Lead is poured into the joint between two __________ pipes.
(A) Mild steel
(B) Concrete
(C) Cast iron
(D) Asbestos cement

Q3. Unit of surface tension in S.I. unit is
(A) Watt/m
(B) Joule/m2
(C) Newton/m2
(D) Joule/m

Q4. __________ circuit is most commonly used to measure strain with the help of a strain gauge.
(A) Ballast
(B) Voltage balancing potentiometric
(C) Simple current sensitive
(D) None of these

Q5. Co-efficient of performance of a Carnot cycle refrigerator operating between – 23°C and + 27°C is
(A) 3
(B) 5
(C) 0.5
(D) 1.57

Q6. Basic open hearth furnace (BOF) is not used for producing __________ steel.
(A) Killed
(B) Rimming
(C) High alloy
(D) None of these

Q7. The ratio of the shear stress to the principal stress on a principal plane is
(A) 0
(B) 1
(C) 1/2
(D) 1/3

Q8. Laser is a device to produce
(A) Gamma rays
(B) Microwaves
(C) A beam of white light
(D) A beam of coherent light

Q9. Which of the following is a commonly used manometric liquid for low pressure range?
(A) Ethyl alcohol
(B) Carbon tetrachloride
(C) Glycerol
(D) Ethylene glycol

Q10. Which of the following is the most wear resistant grade of carbide used for the cutting tools?
(A) Aluminium carbide
(B) Tungsten carbide
(C) Nickel carbide
(D) Iron carbide

Updated: 21st July 2019 — 3:18 PM

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