Which of the following is a drawback to direct FM systems?

A. Preserving both the amplitude and frequency characteristics of the intelligence.
B. Maintaining the frequency stability of the transmitter.
C. Narrowband FM systems occupy less bandwidth.
D. Modulation index for FM systems is stable.


B

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When hydrostatic pressure testing a cylinder head, which areas should be most closely examined for leaks?

A. rocker pedestals B. valve bridge guides C. oil and coolant ports D. valve seats and injector sleeves

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Avoid topping off the fuel tank because ________

A) The extra fuel increases vehicle weight and reduces performance B) The extra fuel simply spills onto the ground C) The extra fuel goes into the expansion area of the tank and is not used by the engine D) It can saturate the charcoal canister

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A flat position open V-groove weld is acceptable if it has complete fusion at the toes of the weld and a

smooth, flat _____. a. cross section b. transition c. overlap d. crater

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The answer is in this format: 5:9. If it takes one electrician 18 hours to wire a house and a second electrician 45 hours to wire a similar house, what is the ratio of the second electrician's to the first electrician's time?

Fill in the blank(s) with the appropriate word(s).

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