MM A School Test 3 Study Guide.

The_____________contains procedures, charts, and diagrams required for operation of the ship's propulsion plant?

(EOSS) Engineering Operational Sequencing System.

What is the difference in temperature of the water that flows out of the economizer and into the boiler?

100°F Hotter

The maximum diameter for a main proportion shaft is_______ inches.

30 in

A space is considered manned if a roving patrol or system monitor enters the space every _________ minute's minimum.

60 minutes

What is the temperature and pressure of main steam that comes from the boiler superheater?

600 psi and steam at 900°F

How is 600 psi main steam and 600 auxiliary steam different?

600 psi main steam is supplied from the boiler.600 Auxiliary through two valves,stop-check valve,motor-operated valve.

The main air ejectors receive their steam supply from what reducing station?

600/150 psi dry

Where is 150psi steam supplied from?

600psi desuperheated steam system

What space between the two Machinery Rooms have a cross-connect in?

Auxulilary Machinery Room

What is the purpose of temperature regulating valves in the lube oil system?

Bypass the cooler

Where does the automatic composition control not take its measurement?

Combustion control.

What does the boiler control console contain?

Control for steam pressure, temperature, and power

In the casualty response procedures(CRP), what sections are required to be memorized?

Controlling and Immediate Actions

What motor-operated valve may be operated locally and for closure on the BCC, the Damage Control (DC) deck, and the boiler front console?

Desuperheater

What equipment's purpose is to reduce the temperature of the auxiliary steam for the 150 psi auxiliary steam system?

Desuperheater reducing station

The watch stander receives orders and reports to____________.

End Space Supervisor

Who maintains the responsibility/custody of the reduction gear keys?

Engineer officer

When repairs to the labyrinth packing are required, who conducts the repairs?

Experienced individuals

(True/False)The Deaerating Feed Tank(DFT) heats and stores seawater.

False

(True/False)There are 4 150psi auxiliary steam systems in each machinery room.

False

(True/Flalse)Lube oil increases wear and maintains heat generated throughout the propulsion process.

False

(True/false)The fuel oil(FO) strainer should be cleaned and inspected the system is pressurized.

False

What is the location of the two steam generating systems on the ship?

Forward main machinery room and After main machinery room

What type of LO filtering capabilities do Diesel engine systems have?

Full-flow

The_______________system provides a means of removing non-condensable gases that are released during the condensing process.

Gland exhaust

What regulating station has an Inlet and outlet isolation valve,bypass valve, and a pneumatically operated pressure regulating valve?

Gland seal regulating station

Where is the engineering operational casualty control manual available to all personnel?

In all machinery spaces

If a left unsecured _____________ can provide the quickest access to the MRG with no ability to detect intrusion to the most critical areas

Inspection covers

What is the purpose of the economizer?

Is to act as a preheater

What is another term for radial bearings?

Journal bearing

When did Lube oil pumps take suction from the reduction gear sump, it delivers LO by way of strainer and oil cooler to where?

LO header

What is the definition of viscosity?

Liquids resistance to flow.

The restore casualty checklist can be found in the

MCRP

Where can bulkhead isolation valves be operated from?

Machinery room supplying steam

What equipment takes suction from the deaerating feed tank(DFT) and discharges it to a common supply line?

Main Feed Booster Pump

When water is discharged to the main feed pumps, where does it go?

Main feed piping system

What engineering equipment is subject to elaborate security measures?

Main reduction gear

What is a basic function of the propultion reduction gear?

Reduces the high-speed output of the turbines.

What is the purpose of the lube oil strainers and filters in the lo system?

Remove foreing debris

Stack covers should be___________as a general precaution.

Removed

What procedure is conducted on the Ship's Service Turbine Generator?

Shift Expected and Clean

What component of the steam system consists of two pairs of deck connections for taking on shore steam?

Shore steam riser

What does primary engineering operational casualty control(EOCC) training concentrate on controlling?

Single-source casualties

What component maintains feed water pressure?

Speed governors on the main feedback

__________Is measured by a static pressure sensor on the top of the boiler steam drum.

Steam drum pressure.

What does the enclosed operating station(EOS) monitor?

Steam pressure, Temperature, and Valve position indicators.

Guarding valves are installed upstream of the turbine throttle valves to__________ the steam flow to the turbine if the throttle valves are leaking or damaged.

Stop

What is the purpose of the stop check valve on the branch connection that supplies steam to the desuperheater?

Stop the flow going back to the main steam

What is the purpose of the stop and stop-check valves?

Stop valve isolate the boiler from the main steam. Stop-check valve provide two-valve protection.

The___________contains control for steam pressure, temperature, and power operated valve-position indicators.

Throttle Control Console

What is the main purpose of the automatic feedwater control valve?

To maintain boiler water level at normal +/- 1 inch

What measurement is taken as a differential pressure drop in the throat of the venture?

Total steam flow rate.

(True/False)The make-up valve and the unloading valve have the same basic configuration and operation.

True

TRUE / FALSE Steam is used for propulsion and also to supply power generation turbines , forced draft blowers , and distilling plants

True

TRUE / FALSE The branch line for the desuperheater leakage test sample cooler is between the outlet of motor operated gate valve and the inlet of the manually operated stop check valve to the 600 PSI steam main

True

In most naval Installations, what material is used to fit inside strut bearings?

Wood or synthetic materials.

What type of valve has a local position indicator meaning to open or close position can be verified visually?

butterfly valve

What valve is fitted with a manually operated regulating valve for manual control in case of an automatic regulator failure?

bypass valve

Who reviews the engineering standing and light-off orders?

duty engineer

What measurement is taken as a differential pressure drop across an opening in the feedwater supply piping?

feedwater flow rate.

Boiler desuperheater inlet valve should be in the_________ position.

locked open

The________valve is a spring-loaded, diaphragm operated valve and actuator that requires steam pressure to close.

self-operated make up valve

What is the last phase of the basic steam cycle?

the feed phase

What component is the mechanical energy produced by the main engine finally used?

the propellers

What is the purpose of the Emergency Feed and Feed Transfer Pump service air connection?

to supply feedwater to the boiler if the main feed pump fails.

There are____________600/150 PSI dry reducing stations in each main machinery room.

two

an articulated locked train gear has_______high-speed opinions.

two

Each feedwater system has______main feed booster pumps.

two motor-driven