When E6010 electrodes are used to make the root pass on open-root V-groove pipe welds, it is important to
_____.
a. use the keyhole technique to achieve proper root penetration
b. set the amperage to the upper part of the suggested range
c. avoid using a whipping motion that might disrupt the puddle size
d. maintain a long arc or substitute E7018 electrodes
a
You might also like to view...
¿Cuál de los siguientes enun- ciados es una afirmación correcta sobre el concreto postensado?
a. El tendón siempre se coloca en la forma antes de que se vierta el con- creto. b. La tensión se aplica tirando de ambos extre- mos del filamento simultá- neamente con una base niveladora hidráulica c. Una vez alcanzada la ten- sión especificada, se deja que el filamento se retraiga. d. Normalmente, un fila- mento consiste de siete alambres de ? pulgada trenzados.
A bang-bang servo is used in ____________________ (slow, high) speed applications with ____________________ (poor, good) tolerance.
Fill in the blank(s) with the appropriate word(s).
After using a vise _______
A) Close the vise jaws B) Make sure the handle is in the vertical position C) Both A and B D) Neither A nor B
Describe the kinds of responses a plant may have to an attack from a pathogen
What will be an ideal response?