The lenses used in safety glasses, face shields, or helmets worn during GMAW procedures must be _____
a. made of glass
b. properly tinted
c. spatter resistant
d. opaque and blued
b
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What is the benefit of static mixer elements in tubular or in-line reactors?
a. They prevents corrosion. b. They increase mixing and turbulence. c. They prevent overpressurization. d. They protect personnel and equipment.
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Methods commonly used to measure the energy provided by a ration are _____
a. digestible energy c. nitrogen energy b. sun energy d. total energy
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The navigational system receives GPS signals from up to ____ satellites to display the position and direction of the vehicle.
A. six B. eight C. ten D. twelve
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The lathe carriage is made up of the saddle and apron
Indicate whether the statement is true or false
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