API 570 Daily Exam
API 570 Daily Exam
API 570 Daily Exam
API 570
Daily Exam 4C Closed Book
Q.1 A typical soil corrosion is aggravated under which of the following conditions
a.
b.
c.
d.
Thermal fatigue.
Mechanical fatigue.
Vibration fatigue.
Both a and b.
Impact testing
Hydrostatic testing
PWHT
Pneumatic testing
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Q.6 Clam shell type crack failure having concentric rings called beach marks
showing waves of crack propagation is typically the description of
a.
b.
c.
d.
Conducting PWHT.
Upgrading to Nickel alloys.
Using High hardness & High strength steels.
Both a and b.
High temperature hydrogen attack is typically due to
Methane gas formation.
Wet H2S formation
Temper embrittlement
Presence of Molybdenum in alloy steels.
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ANSWER KEY
DAILY EXAM 4C Closed Book
Q. NO.
1
2
3
4
5
6
7
8
9
10
ANSWER
B
C
C
C
A
A
B
A
D
A
6th Floor, Al-Subeaei Towers, King Abdulaziz cor. Prince Faisal Bin Fahd Streets, Al-Khobar, Saudi Arabia
TEL (966) 3 887 6633 FAX (966) 3 887 6565 info@gotoitc.com www.gotoitc.com