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CWB Module 9 QUESTIONS AND ANSWERS RATED A+ 2024/2025 $11.49   Add to cart

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CWB Module 9 QUESTIONS AND ANSWERS RATED A+ 2024/2025

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CWB Module 9 QUESTIONS AND ANSWERS RATED A+ 2024/2025

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  • September 22, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
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CWB Module 9

Adjacent to the molten metal is a area that reaches excessive temperatures, but does no longer
melt? - ANSHeat affected quarter

Heating, melting, and solidification (cooling) of steel go away us with two essential elements to
do not forget: - ANSMetallurgical changes and stresses and strains may be precipitated inflicting
distortion and feasible cracking

The price at which a lamp converts electric power into heat and light is given through: -
ANScurrent instances voltage

The gadgets of modern times voltage is: - ANSamps x volts = joules in step with second (or
watts)

The share of overall warmth strength that enters the plate is referred to as: - ANSEfficiency

Which welding method has the best efficiency? - ANSSubmerged arc welding ninety-99%

Which welding manner has the lowest performance? - ANSGas tungsten arc welding 20-50%

The power enter is an crucial parameter that pertains to the - ANSsize of weld, the width of the
HAZ, and the cooling time

In fashionable the higher the power input - ANSthe large the weld, the broader the HAZ, and the
slower the cooling price

The equal electricity enter may be achived with various combination of - ANSwelding present
day and pace

Increasing the current and velocity in share continues the energy enter and fillet weld size
regular however - ANSincreases the penetration

The charge of cooling in a given material will rely on 4 important factors: - ANSheat input to the
weld, thermal conductivity of cloth, plate thickness, and temperature of the plates (preheat or
interpass temperature)

Increasing the warmth will - ANSreduce the cooling rate

Doubling the heat enter for thick plates will - ANShalve the cooling price

For thin plate, doubling the heat enter will - ANSreduce the cooling charge four instances

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