When the rotating shaft frequency and the natural vibrating frequency become synchorized at a particular speed ___________.?
A) Critical speed B) Breakaway speed C) Synchronous speed D) Sympathetic speed E)Flank speed
Soru Kategorisi GASM Sınavı
Who receives radio_______ reports and navigational warnings?
A) weather B) wireless C) safety D) air E)warning
______________ is not a cooling system.?
A) Piston cooling B) Crankcase cooling C) Lube oil cooling D) Charge oil cooling E)Sea Water cooling
The power of the compressed air is used to turn the engine for a short duration until …….. take place and the engine is in a self sustaining made?
A) spark B) launching C) torching D) ignition E)NULL
________should be followed as a procedure, if it is necessary to pump bilges while a vessel is in port?
A) Pumping only if discharge is led to a shore tank or barge B) Pumping only during the hours of darkness C) Pumping only on the outgoing tide D) Pumping only as much as is necessary E)Pumping only the day…
There are some Certificates/documents which are internationally recognized and have to be carried on board. These are checked/inspected by the port state control officer (PSCO) when he/she/they come on board. One of the following certificates does not have to be carried on board on a bulk carrier (cargo ship). Choose that certificate and mark it?
A) International tonnage certificate B) Cargo ship safety construction certificate C) Mobile offshore drilling unit safety certificate D) Cargo ship safety certificate E)International oil pollution prevention certificate
The function of wildcat is?
A) Gripping the anchor chain B) Stopping the slipping of anchor C) Handling the mooring line D) Hoisting the jip E)Warping the lines
______two months at sea, he came back healthier than ever.?
A) Spending B) Being spent C) Having spent D) While spending E)Having been spent
“Each blade is set into the boss and connected to the crosshead.” What word cannot be used instead of the connected word?
A) Linked B) Attached C) United D) Slipped E)Joined
Which factor below is not the cause of vibration and noise in turbines?
A) Unbalance B) Distortion of casing C) Loose couplings D) Tight couplings E)All above