GR9 TLE-SMAW 1ST QTR EXAM
Quiz by ALBERTO BUAN
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- Q1
Injection torches can use fuel gases with pressure as low as:
6psi (0.14 kg/cm2)
7 oz./in2 (26.3 g/cm2)
9 oz./in2 (39.4 g/cm2)
2psi (0.49 kg/cm2)
30s - Q2
Oxygen and acetylene hoses should be color coded. Which of the given answers is correct?
Oxygen green, Acetylene red
Oxygen green, Acetylene black or red
Oxygen green or black, Acetylene red or black
Oxygen green or black, Acetylene red
30s - Q3
It is considered a line pressure gauge.
Regulator
High pressure gauge
Low pressure gauge
Valve gauge
30s - Q4
A typical characteristic of a neutral flame is
Acetylene burning in the atmosphere
Oxygen and with excess Acetylene
Balance of Acetylene and Oxygen
Acetylene and with excess Oxygen
30s - Q5
The term “cracking” means:
Blowing out of dirt lodged in the valve
Release of gas from the torch valve.
Release of gas from the torch tip.
Release of gas from the pressure gauge.
30s - Q6
To prevent the cylinder valves from breaking down, these should be provided with
Hazard sign
Covers
Wraps with chain
Protective caps
30s - Q7
Refers to the process of joining two pieces of metal together when they are perpendicular or at an angle.
fillet weld
flat weld
horizontal weld
vertical weld
30s - Q8
Why is the cleaning of the surface and edges of metal so important?
It makes it easy to fit-up joints.
For the sake of following instructions.
Dirt and other substances are detrimental to weld quality.
It provides a good appearance of the cut material.
30s - Q9
Why is airtight fit-up necessary for Tee-joint preparation?
Rust attacks metal easily.
None of these
It prevents gas pockets associated with unfit fit-up.
Dirt or contaminant will not stock inside.
30s - Q10
Removal of metal scales, old paints, and rust in metal are easy with the use of a:
Grinder
Chipping hammer
Scraper
Metal sandpaper
30s - Q11
The beveled joint is considered “critical” in the category of welding. This means that __________
All of these
Weld joint is for visual inspection.
Weld joint with no inspection.
Weld joint is necessary for radiography.
30s - Q12
An electrode oven with a maintaining temperature of 70 °C+/- 10 is called _____.
Heating oven
Portable oven
Holding oven
Drying oven
30s - Q13
An oven that holds a temperature of 150 °C+/-20 is called _____.
Heating oven
Holding oven
Portable oven
Baking oven
30s - Q14
Which electrode is used for mild steel?
E-9015
E–316-15
E-7018
E-6013
30s - Q15
Which electrode is used for low alloy steel?
E-316-16
E-7018
E-6012
E-9016
30s