SMAW_LET
1. Oxygen and acetylene hoses should be color-coded. Which of the given
answers is correct?
A. oxygen green and acetylene black or red
B. oxygen green or black, acetylene red
C. oxygen green, acetylene red
D. oxygen green or black, acetylene red or black
2. It is considered as a line pressure gauge.
A. a regulator
B. a low-pressure gauge
C. a high-pressure gauge
D. valve gauge
3. Why is the cleaning of the surface and edges of metal so important?
A. It provides a good appearance of the cut materials
B. For the sake of following the teacher’s instruction.
C. Dirt and other substances are detrimental to weld quality.
D. It makes it easy to fit-up joint.
4. The process of joining two or more metals is called
A. brazing
B. ironing
C. soldering
D. welding
5. What does the abbreviation SMAW mean?
a. Shielded Metal and Welding
b. Shielded Metallic and Welding
c. Shield Metal Arc Welding
d. Shielded Metal Arc Welding
6. What are the two types of electrode holders?
a. clip and clamp
b. clip and claw
c. covered and non-covered
d. insulated and non-insulated
7. In welding machines, alternating current is converted to direct current
through a
a. transformer
b. rectifier
c. capacitor
d. variable resistor
8. When setting up the welding machine what are the two types of cables?
a. electrode and terminal cables
b. electrode and return cable
c. positive and negative cables
d. generator and live cables
9. In Oxyacetylene cutting and welding the term “cracking” means:
A. blowing-out of dirt lodged in the valve
B. release of gas from the torch valve
C. release of gas from the pressure gauge
D. release of gas from the torch tip
10. Removal of metal scales, old paints, and rust in metal is easy with the use of
A. grinder
B. scraper
C. chipping hammer
D. metal sandpaper
11. What will you put to prevent the cylinder valves from breaking?
A. covers
B. protective caps
C. wraps with chains
D. hazard sign
12. A typical characteristic of a neutral flame is
A. acetylene and with excess oxygen
B. balance of acetylene and oxygen
C. oxygen and with excess acetylene
D. acetylene burning in the atmosphere
13. OFC is an acronym for:
A. oxy-fuel cutting
B. oxy-fused cutting
C. oxygen fueled cutting
D. oxygen fuel welding
14. The eyes can be protected during the welding process by using
A. gloves
B. leggings
C. googles
D. apron
15. It is done by touching the electrode on the metal scratching a matchstick.
A. tapping method
B. scratches method
C. scraping method
D. scratching method
