GAS METAL ARC WELDING - Quiz

1) Which heat treatment process is very similar to annealing but the job are allowed to cool in air?

Hardening Tempering Normalising Case hardening

2) What type of test is used for vessels, tanks and pipe containing pressure?

Visual inspection Leak or pressure test Stethoscopic test Magnetic particles test

3) What is the NDT method, used to detect surface and subsurface defects on ferrous metals, using iron power?

X-ray test Gamma ray test Magnetic particle test Stethoscopic test

4) What Non-destructive test is done using coloured dye and fluorescent liquid to find minute cracks?

Radiographic test Magnetic test Ultrasonic test Liquid penetration test

5) Which welding process is done by chemical reaction between a metal oxide and metal?

Electro slag welding Election beam welding Thermit welding TIG welding