Technician A says that the secondary air injection (SAI) system forces air at low pressure into the exhaust to reduce CO and HC exhaust emissions. Technician B says that a check valve is used between the AIR pump and the exhaust manifold to prevent exhaust gases from damaging the AIR pump and valves. Who is right?
A) Technician A only B) Technician B only C) Both A and B D) Neither A nor B
C
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In ____ welding, one workpiece is fixed in a stationary holding device. The other is clamped in a spindle chuck, which is accelerated rapidly.
A. ultrasonic B. stud C. inertia D. laser beam
USB signals are ________
A) half-duplex and differential B) full duplex and differential C) full-duplex and single-ended D) half-duplex and single-ended
A CAD drafter purchased a CAD station for use at home. The computer and software cost a total of $5,795.75. Later he added a plotter that cost $1,895.85, a printer that cost $359.99, and an external hard drive that cost $175.75. What was the total cost of the CAD station and all the additional items purchased?
What will be an ideal response?
What type of construction has structural members (including walls, columns, beams, floors, and roofs) that are made of noncombustible or limited-combustible materials?
A. Type I B. Type III C. Type IV D. Type V