第5题: [单项选择]16个二进制位可表示整数的范围是 A. 0~65535 B. -32768~32767 C. -32768~32768 D. -32768~32767 或0~65535 参考答案:D 答案解析:[解析] 无符号16位二进制数的范围是0~65535,有符号的16位二进制数的范围是-32768~32767。
第6题: [单项选择]TEAL计量泵采用()。 A. 隔膜泵 B. 齿轮泵 C. 离心泵 D. 屏蔽泵 参考答案:A
第8题: [单项选择]A 30,000 DWT tanker is required to have an IOPP certificate when() A. engaged in the coastwise trade B. going foreign C. calling at ports in another country signatory to MARPOL 73/78 D. carrying cargoes listed in the MARPOL regulations 参考答案:C