What can happen if you do not purge with nitrogen while brazing?
A) The brazing will take longer without the extra heat from the nitrogen.
B) Oxides inside the pipe can come loose and contaminate the system.
C) You run the risk of an explosion.
D) Leak checking will take longer.
B
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If a construction company needs a flexible workforce and finds it may be more economical to maintain a minimum permanent staff of employees and supplement its labor pool only when awarded a large project, what type of company would that contractor utilize?
What will be an ideal response?
El cable de elevación termina en el bloque de carga al anclar______.
a. dos partes del cable b. cuatro partes del cable c. partes pares del cable d. partes impares del cable
If you want to improve your net profit, which of the following should you do?
A) Increase income B) Decrease expenses C) Both A and B D) Neither A nor B
Determine the minimum length of a sag vertical curve if the grades are –4% and +2%. Design speed is 70 mi/h. State assumptions used. Consider the following criteria: stopping sight distance, comfort, and general appearance.
What will be an ideal response?