Corrosion Engineering Environments Alkalies Online Exam Quiz
Corrosion Engineering Environments Alkalies GK Quiz. Question and Answers related to Corrosion Engineering Environments Alkalies. MCQ (Multiple Choice Questions with answers about Corrosion Engineering Environments Alkalies
Which of the following can be used to inhibit stress corrosion cracking in ammoniacal solutions?
Options
A : Addition of 0.2% water
B : Addition of 0.025% hydrazine in refrigeration
C : Addition of oxidizing agents
D : Either addition of 0.2% water or addition of 0.025% hydrazine in refrigeration
Which of the following metal results in stress corrosion cracking in an ammoniacal solution?
Options
A : Aluminum and its alloys
B : Nickel and its alloys
C : Copper and its alloys
D : Stainless steels
Which of the following is/are used for ammoniacal solution applications?
Options
A : Cast iron and steel
B : 430 and 304 type stainless steels
C : Cast iron, steel, 430 and 304 type stainless steels
D : Copper and cast irons
Which of the following common alkalies that results in stress-corrosion cracking of steel?
Options
A : Caustic soda
B : Caustic soda and caustic potash
C : Caustic potash
D : Sodium carbonate
What is meant by caustic embrittlement?
Options
A : Decrease in compressive strength due to caustic accumulation
B : The phenomenon of metal to become brittle due to caustic accumulation at the rivets
C : Entrapment of caustic content between atoms to cause brittleness
D : The phenomenon of metal to become more tensile due to caustic accumulation
Aluminum is a very poor resistant material for handling caustic environments and rapidly attacked even by dilute solutions.
Options
A : False
B : True
C :
D :
Which of the following statements is/are correct regarding caustic embrittlement?
Options
A : Mild carbon steels are susceptible to caustic embrittlement
B : It occurs in concentrated hydroxide environment
C : It occurs around the rivets
D : Mild carbon steels are susceptible to caustic embrittlement in concentrated hydroxide environment around the rivets
Which of the following metal is suitable under all conditions of concentration and temperature in caustic soda?
Options
A : Nickel
B : Aluminum
C : Titanium
D : Carbon steel
Which of the following is/are the preventions of caustic embrittlement?
Options
A : Optimize stress concentration
B : Avoid caustic environment
C : Use of nickel-based alloys, avoid caustic environment and optimize stress concentration
D : Use mild carbon steels
Oxygen is the primary cause of cracking in ammoniacal solution rather than nitrogen.
Options
A : True
B : False
C :
D :
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Corrosion Engineering Eight Forms Pitting Corrosion
Corrosion Engineering Eight Forms Selective Leaching
Corrosion Engineering Eight Forms Stress Corrosion
Corrosion Engineering Eight Forms Uniform Corrosion
Corrosion Engineering Entrance Exams
Corrosion Engineering Environments Atmospheric Corrosion
Corrosion Engineering Environments Biological Corrosion
Corrosion Engineering Environments Organic Acids