In ____ welding, fluxes and filler metals are not required, electrical current does not pass through the weld metal, and only localized heating is generated.

A. laser beam
B. ultrasonic
C. resistance
D. inertia


Answer: B

Trades & Technology

You might also like to view...

A ratio expressed in percentage of the amount of moisture present in the air to the amount it can hold at saturation is called _____.

a. dew point b. specific humidity c. specific gravity d. relative humidity

Trades & Technology

Locate the correct lift points in a service _____ before using a hydraulic jack or hoist.

What will be an ideal response?

Trades & Technology

How is digestion different from monogastric species?

What will be an ideal response?

Trades & Technology

___________ power consists of one sine wave provided to the system via a single hot wire.

A. Hydraulic B. Pneumatic C. Single-phase AC D. Three-phase AC

Trades & Technology