Corrosion Engineering Environments Soil Aerospace Online Exam Quiz
Corrosion Engineering Environments Soil Aerospace GK Quiz. Question and Answers related to Corrosion Engineering Environments Soil Aerospace. MCQ (Multiple Choice Questions with answers about Corrosion Engineering Environments Soil Aerospace
Which of the following type of corrosion is pre-dominate in underground corrosion?
Options
A : Aerobic corrosion
B : Anaerobic corrosion
C : Aerobic and anaerobic corrosion
D : Neither aerobic nor anaerobic corrosion
Which of the following is/are the primary materials regarding the construction of aircraft?
Options
A : Aluminum
B : Magnesium and titanium
C : Aluminum, magnesium, titanium, and iron
D : Titanium and magnesium
Which of the following materials is/are used for blast nozzles in aerospace?
Options
A : Aluminum oxide and cemented tungsten carbide
B : Aluminum oxide cemented tungsten carbide and boron carbide
C : Cemented tungsten carbide only
D : Aluminum oxide and boron carbide
Which of the following corrosion protective systems is/are included in aircraft industries?
Options
A : Anodizing, cladding and conversion coatings
B : Anodizing and cathodic protection
C : Conversion coatings and anodizing
D : Cathodic protection only
Which of the following type of corrosion is/are dominant due to backfills such as stones, cinders, wood, and metal?
Options
A : Crevice corrosion
B : Pitting corrosion
C : Crevice and pitting corrosion
D : Neither crevice nor pitting corrosion
Rusting of high-strength steel due to resident water can cause stress-corrosion and hydrogen embrittlement.
Options
A : False
B : True
C :
D :
Which of the following areas of aircrafts face severe corrosion problems?
Options
A : Fuel tank due to oxidizers and fuel
B : High-temperature corrosion in blast nozzles
C : The outer structure of the plane due to vacuum
D : Fuel tank due to oxidizers and fuel, high-temperature corrosion in blast nozzles
Which of the following is/are the prime considerations in space vehicles and aircraft?
Options
A : High strength-weight ratios for materials and high ratios of payload to the vehicle’s weight
B : High strength-weight ratios for materials only
C : High ratios of payload to vehicles weight only
D : Neither high strength-weight ratios for materials nor high ratios of payload to the vehicle’s weight
Which of the factors that affect the corrosiveness of soils?
Options
A : Moisture
B : Acidity
C : Oxygen
D : Moisture, oxygen, acidity and stray currents
Which of the following is/are true regarding underground structures?
Options
A : Ordinary carbon steels and cast irons are commonly used
B : Organic coatings can be used
C : Cathodic protection is applied to protect it from corrosion
D : Usually made of carbon steel and cast irons with or without organic coatings and supported by a cathodic protection system
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