The most important factor when installing interference fit bearings by heating them is _____
A) cooling B) timing C) lubrication D) pressure applied
B
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Technician A says radial tires have the ply cords positioned at a right angle in relation to the tire centerline. Technician B says that if radial tires are filled with nitrogen, the inflation pressure remains more stable over a longer period of time. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
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When should a refrigerant identifier should be used?
A) After recharging the system B) Before recovering the system C) Before recharging the system D) After evacuating the system
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What kind of material does MC6x12 refer to?
a. Tube b. Channel c. Beam d. Pipe e. Plate
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The food chain of land animals begins with the:
a. Grass c. Soil b. Insects d. Fruits and vegetables
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