Activity 1: Multiple Choice Direction: Read and understand each item. Choose the letter of the correct answer. 1. What are the determinants in the use of the required lens protection? a. electrode size and amperage range c. kind of base metal b. method of striking an arc d. kind of welding machine used 2. Why will you hold the electrode lightly and not tightly? a. Because it will cause the hand and arm to tire-quickly b. Because it will not cause the electrode to stuck c. Because it will not cause the hands to shake 3. During striking of an arc, what will happen to the electrode if it is not promptly raised? a. It will burn faster b. it will stick to the base metal c. it will dislodge from the base metal 4 As soon as the electrode comes in-contact with the base metal, it must be promptly raised to a height which is___.a.less than to than electrode diameter b.equal to the electrode diameter c.greater than the electrode diameter​