WELDABILITY OF STEEL - Quiz

1) Which test indicates the hardness of a metal?

Brinell test Tensile test Charpy izod test Ultrasonic inspection

2) What type of preheating is done only at the portions to be welded?

Full preheating Local preheating Direct preheating Indirect preheating

3) Which type of polarity is used in welding non ferrous metals?

AC Transformer Reverse polarity Straight polarity DC Motor generator

4) Which type of arc does not have control on the molten pool?

Long arc length Short arc length Normal arc length Too short arc length

5) Which of the following produces unstable arc?

Long arc length Short arc length Normal arc length Too long arc length