What harmful light is produced during welding?

What will be an ideal response?


Ultraviolet

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____________________ aquaculture systems are recirculating

Fill in the blank(s) with the appropriate word(s).

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Technician A says that knee bolsters are part of the vehicle safety system. Technician B says that vehicle manufacturers are required to use collapsible shafts in the steering column. Which Technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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What are the characters that are embedded in most engine blocks and are used for identification?

A) Julian date B) Casting number C) VIN D) Calibration codes

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A 3-m² black surface at 140?C is losing heat to the surrounding air at 35°C by convection with a heat transfer coefficient of 16 W/m²•C, and by radiation to the surrounding surfaces at 15°C. The total rate of heat loss from the surface is

(a) 5105 W (b) 2940 W (c) 3779 W (d) 8819 W (e) 5040 W

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