What controls the amount of gas entering the burner?
A) The gas manifold pressure and the burner venturi size
B) The burner orifice size
C) The draft created by the gas flames
D) The gas valve
B
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All of the following can cause a low oil pressure condition EXCEPT:
A. fuel in lube B. excessive main bearing clearance C. oil pump relief valve stuck closed D. excessive rocker shaft bushing clearance
Which of the following is not listed as an advantage to solar orientation when siting a home?
A) Increased natural lighting B) Increased passive solar heat gain C) Increased energy expense D) Decreased need for electric light during the day
How do wood and concrete beams usually fail?
A. collapsing B. 45° shear lines C. bending D. buckling
Technician A says if a car appears normal inside the passenger compartment and the exterior looks good, it is probably in good mechanical condition. Technician B says a car can appear fine but have hidden damage. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B