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

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

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

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

(A) Brushing

(B) Scraping

(C) Filing

(D) Chiselling

Q. Which tool is used for handling hot metals?

(A) Tongs

(B) Shovel

(C) Snips

(D) hammers

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

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

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°

 

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

(A) Welded joint

(B) Riveted joint

(C) Soldered joint

(D) Nut bolt joint

 

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

 

Q. In the field of safety PPE stands for

(A) Personal protective equipment

(B) Person to person Equipment

(C) None of the above