Corrosion Engineering Mcqs Online Exam Quiz
Corrosion Engineering Mcqs GK Quiz. Question and Answers related to Corrosion Engineering Mcqs. MCQ (Multiple Choice Questions with answers about Corrosion Engineering Mcqs
Which of the following is/are the classic cases of fretting corrosion?
Options
A : Bolted tie plates on railroad rails
B : Press-fitted ball bearing race on a shaft
C : On ball bearings
D : Bolted tie plates on railroad rails and press-fitted ball bearing race on a shaft
Which of the following condition is/are correct regarding the boiling point of a liquid with an increase in pressure?
Options
A : Decreases up to triple point
B : Increases up to triple point
C : Increases up to the critical point
D : Decreases up to the critical point
Cavitation damaged can be reduced by changing the design to minimize hydrodynamic pressure differences in process streamflow.
Options
A : False
B : True
C :
D :
Which of the following type of corrosion is caused by the formation and collapse of vapor bubbles in a liquid near the metal surface?
Options
A : Filiform corrosion
B : Fretting corrosion
C : Cavitation damage
D : Crevice corrosion
Which of the following type of corrosion that occurs at contact areas between materials under load subjected to vibration or relative motion?
Options
A : Fretting corrosion
B : Crevice corrosion
C : Cavitation damage
D : Pitting corrosion
Which of the following is/are the other names of fretting corrosion?
Options
A : Friction oxidation
B : Wear oxidation
C : False brinelling
D : Friction oxidation, wear oxidation and false brinelling
Which of the following equipment encounters cavitation damage in the service?
Options
A : Hydraulic turbines
B : Ship propellers
C : Pump impellers
D : Hydraulic turbines, ship propellers, and pump impellers
Which of the following is/are the preventive measures of fretting corrosion?
Options
A : Lubricate with low-viscosity, high-tenacity oil
B : Increasing surface hardness by shot-peening or cold working
C : Use gaskets to absorb vibrations
D : Lubricate with low-viscosity, high-tenacity oil, increasing surface hardness by shot-peening and use gaskets to absorb vibrations
Which of the following will result due to cavitation damage of a metal?
Options
A : Mechanical action
B : Chemical dissolution
C : Both mechanical action and chemical dissolution
D : Neither mechanical action nor chemical dissolution
Which of the following is/are the basic requirements for the occurrence of fretting corrosion?
Options
A : The interface must be under load
B : Vibration or repeated relative motion between the two surfaces
C : The interface must be under load and vibration or repeated relative motion between the two surfaces
D : The relative motion should be high
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