A. PH value
B. Temperature
C. Viscosity
D. Density
✅ The correct answer is option B.
Basic Chemical Engineering MCQs
Annealing of a material does not
A. Permit its further cold working
B. Soften it
C. Case harden it
D. None of these
✅ The correct answer is option C.
Which of the following if present in iron ore, enhances its value?
A. Alumina
B. Alkali oxide
C. Lime & Magnesia
D. None of these
✅ The correct answer is option C.
‘Cryogenics’ is concerned with the generation & use of low temperature in the range of
A. 0°K to 123°K
B. 0°C to – 123°C
C. 0°C to – 273°C
D. 0°K to 273°K
✅ The correct answer is option A.
Shampoos are commercially not available in the form of
A. Powder
B. Gaseous mixture
C. Solution
D. Emulsion
✅ The correct answer is option B.
Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its
A. Lower cost
B. Abundant availability
C. Resistance to vegetable acids as the tin plate are commercially used in ‘canning’ industry
D. None of these
✅ The correct answer is option C.
Which is the most suitable joint for the pipes, with are laid submerged under water, where the bottom of the river bed is uneven?
A. Collar joint
B. Flexible joint
C. Flanged joint
D. Expansion joint
✅ The correct answer is option B.
Stoneware pipes used for sewers for carrying sewage normally is joined by __________ joint.
A. Spigot and socket
B. Flanged iron
C. Collar
D. Expansion
✅ The correct answer is option A.
Resilience of a material is important, when it is subjected to
A. Creep
B. Fatigue
C. Shock loading
D. Galvanising
✅ The correct answer is option C.
Which one can be directly solidified from gaseous state wihtout entering into liquid state?
A. Helium
B. Oxygen
C. Carbon dioxide
D. None of these
✅ The correct answer is option C.