The pushbutton on the handset of a ships sound-powered telephone must be depressed to （）.
- Atalk then released to listen
- Blisten then released to talk
- Cboth talk and listen
- Dring the station being called
问题
The pushbutton on the handset of a shi
参考解析：
分类：船舶电气与船舶安全题库
相关推荐
-
1、The purpose of the tripping line on a
The purpose of the tripping line on a sea anchor is to（）.AAid in casting offBDirect the drift of the vesselCAid in its recoveryDMaintain maximum resistance to broaching
-
2、The valve on the discharge side of a c
The valve on the discharge side of a cargo pump on a tanker will usually be a（）.Abutterfly valveBspectacle valveCcheck valveDglobe valve
-
3、The fixing of a canceling date on a ch
The fixing of a canceling date on a charter-party merely（）warning to the Shipowner that non-arrival by this date may result so as to entitle the Charterer to rescind.AtakesBcomesCgoesDgive
-
4、On the approach of a warm front the ba
On the approach of a warm front the barometric pressure usually（）.AfallsBrisesCis steadyDis unreliable
-
5、On the serial interface of a router, a
On the serial interface of a router, an inbound access list is configured to deny all traffic from UDP and TCP ports 21, 23, and 25. All o...
-
6、The color of the flame on a halide tor
The color of the flame on a halide torch without any refrigerant present is （）.AblueBgreenCorangeDpurple