CWI TEST PART A: WIT Chapter 4에 관한 시험 문제 > CWI 온라인교육

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1. What defines a groove weld's root face dimension?

(A) The angle of the bevel

(B) The depth of the groove

(C) The thickness of the base metal at the bottom of the groove

(D) The distance from the joint root to the base of the groove angle

2. How does the presence of a weld backing affect joint configuration for a certification test?

(A) It determines the rolling direction of the plate.

(B) It specifies the filler metal type.

(C) It influences the ductility of the base metal.

(D) It changes the bevel angle of the joint.

3. What is the purpose of preheat before welding?

(A) To increase the weld penetration depth

(B) To reduce the welding speed

(C) To decrease the cooling rate of the weld

(D) To prevent the formation of weld metal

4. What role does the welding inspector play before the welding process begins?

(A) Checking the adequacy of the welder's qualifications

(B) Adjusting the welding machine settings

(C) Performing the initial weld passes

(D) Choosing the type of filler metal to be used

5. Why is it important to check the cleanliness of the weld zone before starting the welding process?

(A) To ensure easy application of protective coatings after welding

(B) To prevent contamination and defects such as porosity and cracking

(C) To make the welding process faster

(D) To avoid the need for post-weld heat treatment