desain joint

What is the strength value of tack welds in the finished structure

• They have full strength value

• They have partial strength value

• They have no strength value

• They have minimal strength value

What is the minimum size of fillet welds on plates that are 5 mm (3/16 in.) thick

• Half-fillet weld

• Full-fillet weld

• Three-quarter fillet weld

• One-quarter fillet weld

What is the minimum thickness of fillet welds on plates that are more than 5 mm (3/16 in.) thick?

• One-half the thickness of the thinner plate at the joint

• One-third the thickness of the thinner plate at the joint

• One-fourth the thickness of the thinner plate at the joint

• One-fifth the thickness of the thinner plate at the joint

What is the minimum thickness of fillet welds

• 3 mm (1/8 in.)

• 5 mm (3/16 in.)

• 7 mm (1/4 in.)

• 10 mm (3/8 in.)

Where are single-welded lap joints permissible?

• Only on bottom plates

• Only on roof plates

• Both on bottom plates and roof plates

• Neither on bottom plates nor on roof plates

What is the minimum lap length for double-welded joints

• Five times the nominal thickness of the thinner plate joined

• 50 mm (2 in.)

• The thickness of the thinner plate joined

• Both a and b

What is the minimum lap length for single-welded joints

• Five times the nominal thickness of the thinner plate joined

• 25 mm (1 in.)

• The thickness of the thinner plate joined

• Both a and b

What are the weld size requirements for manual welding processes?

• Fillet weld legs or groove weld depths greater than 6 mm (1/4 in.) shall be multipass

• Fillet weld legs or groove weld depths greater than 10 mm (3/8 in.) shall be multipass.

What are the weld size requirements for semi-automatic, machine, and automatic welding processes?

• Fillet weld legs or groove weld depths greater than 6 mm (1/4 in.) shall be multipass.

• Fillet weld legs or groove weld depths greater than 10 mm (3/8 in.) shall be multipass.

How many passes are required for Groups IV, IVA, V, or VI shell-to-bottom welds for all welding processes?

• One pass

• Two passes

• Three passes