Heater Basics Issue 0218 (Prizes for Correct Answers)
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Multiple-choice question: 1. The grade of the tube sheet forgings used in manufacturing heat exchangers must not be lower than grade ( ) specified in JB4726 and JB4728. A) Ⅱ B) Ⅲ C) Ⅳ 2. When the tube sheet thickness is greater than ( ), forgings are preferred. A) 50 mm B) 60 mm C) 65 mm Correct answers: 1. A 2. B Last edited by Lan Meng on 2009-2-18 10:41]
The answer to question 1 is: A. The answer to question 2 is: B
1.A (Ⅱ) 2.B(60mm)
Question 1/A Question 2/B
1. Grade II 2. 60mm
1. The tube sheet forgings used in the manufacture of heat exchangers must be of a grade not lower than grade (A) as specified in JB4726 and JB4728. A) Ⅱ B) Ⅲ C) Ⅳ 2. When the tube sheet thickness is greater than (B), forgings are preferred. A) 50 mm B) 60 mm C) 65 mm
The tube sheet forgings used in the manufacture of heat exchangers must be of a grade not lower than grade (a) as specified in JB4726 and JB4728. A) Ⅱ B) Ⅲ C) Ⅳ 2. When the tube sheet thickness is greater than (b), forgings are preferred. A) 50 mm B) 60 mm C) 65 mm
1.A (Ⅱ) 2.B (60)
1.A (Ⅱ) 2.B(60mm)
My answers: 1. A, 2. B
Answer: 1.A ； 2.B
Multiple-choice question: 1. The grade of the tube sheet forgings used in manufacturing heat exchangers must not be lower than grade (A) specified in JB4726 and JB4728. A) Ⅱ B) Ⅲ C) Ⅳ 2. When the tube sheet thickness is greater than (B), forgings are preferred. A) 50 mm B) 60 mm C) 65 mm
My answer: 1, A 2, B