Welding Workshop MCQ

Welding workshop multiple choice questions for 1st year:

Q. Which of the following injury is common in gas welding?

(A) Electric shock

(B) burns due to flame

(C) bleeding due to cut injury

(D) injury by hot flying particles

Answer:  B   

Q. Which safety device is used to protect face from ultra violet rays while welding?

(A) Tong

(B) Try square

(C) Eye shield

(D) Chipping hammer

Answer:   C    

Q. Why should a welder uniform be free of oil or grease while welding?

(A) To reflect the arc rays

(B) to protect the welding machine

(C) to avoid catching fire

(D) to protect the job

Answer:  C   

Q. Which operation is to remove burrs from a plate after cutting?

(A) Brushing

(B) Scraping

(C) Filing

(D) Chiselling

Answer:  C   

Q. Which tool is used for handling hot metals?

(A) Tongs

(B) Shovel

(C) Snips

(D) hammers

Answer:  A   

Q. Which tool is to be used to remove slag on welded bead?

(A) Chisel

(B) Try square

(C) Chipping hammer

(D) Ball peen hammer

Answer:  C   

Q. In arc welding, the electric arc is  produced between  the work and the electrode by

(A) voltage

(B) flow of current

(C) contact resistance

(D) all of these

Answer:  C   

Q. What should be the angle of electrode in the flat position welding

(A) 50°– 70° 

(B) 60°– 70°

(C) 70°– 80°

(D) 80°– 90°

Answer:  C   

 

Q. Which one of the following is a temporary joint?

(A) Welded joint

(B) Riveted joint

(C) Soldered joint

(D) Nut bolt joint

Answer:  B   

 

Q. The electrode size refers to

(A) diameter of its core wire

(B) diameter (overall) of electrode

(C) thickness of flux coating

(D) length of electrode

Answer:  A   

 

Q. In the field of safety PPE stands for

(A) Personal protective equipment

(B) Person to person Equipment

(C) None of the above

 

Answer:  A