ACandDCgeneratorsaresimilarinthatthey（）
A. bothgeneratealternatingvoltages
B. bothrectifythevoltagebeforedelivery
C. areconstructedatthesamephysicalsizeforthesamekilowattrating
D. bothsupplythree-phasepower
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TheSafetyRadioCertificatefortheCargoShipisissued（）.
A. bytheRadiotelegraphyAuthorityofacountry
B. inaccordancewiththeGovernmentRegulations
C. bycomplyingwiththeProvisionsoftheNationalConventions
D. undertheProvisionsoftheSOLASConvention
Whichofthefollowingdevicesareprotectedfrombeingmotorizedbyareverse-powerrelay?（）
Alternators
B. Waveguides
C. Exciters
D. Amplidynes
TheSafetyEquipmentCertificateshowsthatthevesselconformstothestandardsofthe（）.
A. MSA
B. AmericanBureauofShipping
C. AmericanSalvageAssociation
D. SOLASConvention
佩戴护士燕帽时，短发应不超过耳下（）厘米。
A. 1厘米
B. 3厘米
C. 5厘米
D. 10厘米
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