Technician A says that MIG stands for metal ignitable gas. Technician B says that gas metal arc welding (GMAW) is a more accurate term than MIG. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technicians A and B
D. Neither Technician A nor B
B. Technician B only
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What is the advantage of piezo actuators over solenoid actuators?
A. lower cost B. lighter weight C. faster response D. higher peak pressure potential
Chromium-carbide precipitation is often called _____ precipitation.? ?
A. stainless steel? B. carbon? C. hydrogen? D. carbide?
Soil pores can be filled with air or water
Indicate whether the statement is true or false
Which of the following systems is most suitable where a pond or lake is located fairly close to the building?
A) Air-to-air system with outdoor unit located near the water B) Water-to-air closed loop system with loop sunk in pond C) Water-to-air open loop system using the pond water D) Air-to-water system using the pond as a buffer tank