Welded Connections MCQs : This section focuses on the "Welded Connections" in Steel Structures. These Multiple Choice Questions (MCQs) should be practiced to improve the Steel Structures skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
When two members are connected by means of welds, such a connection is known as?
A. pin connection
B. eccentric connection
C. welded connection
D. moment connection
Explanation: When two members are connected by means of welds, such a connection is known as welded connection.
Speedy construction is facilitated by using welded connections.
C. Can be true or false
D. Can not say
Explanation: True, Speedy construction is facilitated by using welded connections
The basic types of welded joints can be classified depending on the?
A. types of welds
B. position of welds
C. type of joint
D. All of the above
Explanation: The basic types of welded joints can be classified depending on the types of welds, position of welds and type of joint.
____________ are provided when two members to be jointed are in different planes.
A. Groove welds
B. Fillet welds
C. Plug welds
D. Slot welds
Explanation: Fillet welds are provided when two members to be jointed are in different planes.
Square butt welds are provided up to a plate thickness of _________ only.
Explanation: Square butt welds are provided up to a plate thickness of 8mm only.
Which of the following parameters control the quality of weld?
A. composition of electrode
B. size of electrode
C. size of metal plate
D. composition of metal plate
Explanation: The parameters control the quality of weld are size of electrode and the current that produces sufficient heat to melt the base metal and minimizes electrode splatter.
Which of the following type of weld is most suitable for lap and T-joints?
A. Fillet weld
B. Groove weld
C. Slot weld
D. Plug weld
Explanation: Fillet welds are suitable for lap and T-joints and groove welds are suitable for butt, corner, and edge joints.
The production of sound welds is not governed by ______
A. type of joint
B. choice of electrode
C. type of metal plate
Explanation: The production of sound welds is governed by type of joint, its preparation, root opening, etc. The choice of electrode, welding position, welding current and voltage, arc length, rate of travel also affect the quality of weld.
Why is electrode coated with a flux in shielded metal arc welding?
A. for shiny appearance of electrode
B. to make welding faster
C. to increase the melting of electrode
D. to protect the electrode
Explanation: The electrode is coated with a flux in shielded metal arc welding. Heat from electric current causes the combustion and decomposition of electrode. This creates a gaseous shield to protect the electrode, metal and molten pool from atmospheric contamination due to oxidation.
Slot and plug welds are used to supplement fillet welds where the required length of fillet weld cannot be achieved.
C. Can be yes or no
D. Can not say
Explanation: Yes, Slot and plug welds are used to supplement fillet welds where the required length of fillet weld cannot be achieved.