First Assistant Engineer Practice Test

1. 1. In a closed-loop process control system, what is meant by gain?
2. 3. As a result of a load or setpoint change, in addition to minimizing the maximum value of the error, what are the two additional objectives of a closed-loop cont...
3. 4. In a closed-loop process control system, what is meant by the proportional mode of control?
4. 5. Antifriction bearings can be removed undamaged from a shaft by using an arbor press, or wheel puller with a ________.
5. 6. If a bilge pump is able to develop vacuum, but is unable to sufficiently pump out the bilges, you would check for all of the following EXCEPT __________.

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1. 1. Referring to the illustrated dual duct multiple zone HVAC system, how is the space temperature directly controlled?
2. 2. What advantage does a 4-pipe hydronic heating/cooling system have over a 2-pipe hydronic heating/cooling system?
3. 3. Referring to the illustrated psychrometric chart, suppose air at a dry bulb temperature of 60oF and a relative humidity of 52% passes over a heating coil, resul...
4. 4. Attitudes, biases, and prejudices towards certain groups (nationalities, races, religions, and sexes) can pose formidable challenges to communication. This is b...
5. 5. An important communication tool for managers is known as active listening. It helps better insure that managers understand employees and that feedback is encour...

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1. 1. What is the primary operational difference between a nozzle reaction safety valve and a huddling chamber safety valve?
2. 2. On a boiler safety valve, the blowdown adjusting ring is locked in place by a __________.
3. 3. Which of the listed types of safety valves is shown in the illustration? Illustration SG-0018
4. 4. When heated, brickwork in a boiler is kept from buckling by the installation of __________.
5. 5. Which of the listed refractory materials should be used for patching a burner front formed of plastic, castable, or tile?

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1. 1. As an engineer of a slow-speed diesel powered vessel, you note that the indicator card diagrams have a flat horizontal profile around TDC. To rectify this, what...
2. 2. When analyzing indicator card diagrams you are calculating the work output from the cylinder by obtaining the area within the curve of what type of diagram?
3. 3. What will cause valve stem blow-by to the valve section shown in the illustration?
4. 4. If there is a 'clicking' sound in the valve compartment of a diesel engine, the cause may be __________.
5. 5. If a valve seat insert, similar to that shown in the illustration is cracked, this may be indicated by __________. Illustration MO-0043

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1. 1. An exhaust gas bypass is installed on a waste heat boiler in order to __________.
2. 2. A photoelectric cell installed in an automatically fired auxiliary boiler burner management system __________.
3. 3. The divergent area of the exhaust duct aids in what process?
4. 4. The two basic types of compressors used in gas turbine engines are which of the following?
5. 5. While air is being compressed in a centrifugal flow gas turbine, what happens to the direction of air flow?

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1. 1. It is generally not advisable to drive a wedge into a crack occurring in the hull because wedges __________.
2. 2. In a compartment that has been completely flooded with water, the greatest pressure will be exerted __________.
3. 3. The wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from __________.
4. 4. The wooden shoring shown in the illustration is bearing against the hatch coaming and is supporting a load in the direction indicated by the arrows. Which of th...
5. 5. An acceptable method of temporarily sealing a crack formed in the hull of a vessel is to __________.

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1. 1. What would be the total current of the illustrated circuit in figure "A" if the value of capacitor C1 was 100 microfarads, capacitor C2 was 200 microfarads, and...
2. 2. A turbogenerator has a rated output of 1200 kW at 60 Hertz, with a no-load frequency of 61.5 Hertz. What is its speed droop?
3. 3. If the values of C1 and R1 shown in the illustration were 1 microfarad and 3 megohms respectively, which of the listed intervals of time would equal one 'time c...
4. 4. Of the images in figures "A" through "D", which represents the schematic symbol shown in Figure "2"?
5. 5. Which electronic schematic symbol represents the capacitor in figure "1" of the illustration?

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