Marine Engineer Guide Questionnaires 002

1. What is an indication that there is a cracked cylinder head on a diesel engine?
2. Which of the numbers listed represents the equalizing line shown in the illustration?=16
3. In the circle illustrated, the circumference is 125.6 inches.  What is the area of the shaded portion?=114.1 square inches
4. The maximum diameter of the device illustrated is how many inches? =1.749 inches
5. Which of the following statements describes the characteristics of precision manufactured roller bearings? = They are well adapted to variable speed operation.
6. In the circle illustrated, the circumference is 35.84 feet. What is the area of the shaded portion? = 9.3 square feet
7. A valve attached to line "H" in the illustration, why should it be opened? = to drain moisture and dirt from the bottom of the tank Oil mist detector takes a succession of air samples from all the compartments within the crankcase. When is the oil mist detector alarm activated?
8. When in a liferaft, the use of a sea anchor will __________.=reduce your drift
9. The rescue boat on an OSV is not required to carry a _____________ .=fishing kit
10. What is the purpose of the hydrostatic release on an inflatable liferaft?= To release the raft from the cradle automatically as the ship sinks.
11. Input transducer take some sort of physical energy such as sound waves, temperature, or pressure and converts it into a signal that can be read. Input 
12. transducer can also be called _______? = Sensor transducer
13. Which of the listed types of bearings is an example of a half bearing? =Spring bearing
14. Which of the additives listed will maintain the suspension  of fine residue particles in lube oil?=Dispersant
15. What will the size of ball and roller bearings can be identified?=manufacturer's numerical code
16. What is the equivalent in inches having a reading of .625 inches?=5/8 inches
17. "When you found neutralization number of the lub oil that used in the machinery has been exceeded its permissible range, what woul be the next procedure to 
18. avoid trouble to the machinery?"=renew the entire oil supply
19. Output transducer takes an electronic signal and converts it into physical energy. A stereo speaker works by transforming the electronic signal of a 
20. recording into physical sound waves. They can also be called _______________? = Actuator transducer
21. A semiconductor device that is used to amplify and switch electronic signal and electric power. = Transistor
22. The thread form shown in the illustration is called a/an __________.=Acme thread
23. Heat which brings about a change in the physical state of a substance without a change in temperature, is called __________.= latent heat
24. A pressure reading of 00.0 psig is theoretically equal to __________. = 14.7 psia
25. For the various sizes of tubing and wall thickness used in a hydraulic system, the inside diameter can be determined if  it is remembered that the inside diameter equals the outside diameter less __________.= 2 times the wall thickness
26. The graphite in a bearing lubricant compound of graphite grease, acts as a __________.= filler to smooth surface irregularities
27. To make the pieces shown as "A" in the illustration a locational interference fit __________.=turn down a new shaft with a diameter of .250 inches +.001/-.000
28. The difference between the pressure at a point being measured and that of a perfect vacuum is known as __________.= absolute pressure
29. It is a mode or state that a Thyristor has been triggered into conduction. = Forward Conducting
30. A semiconductor device having four layers with control mechanism.  = Thyristor
31. The Continuous Machinery Survey (CMS) is a method for systematically, continuously and sequentially surveying machinery and equipment within a _________. = 5-year period
32. These are manufactured as vertical or horizontal, single acting, double acting, or differential types. The drive is by direct acting steam pistons working in 
33. cylinders, or by an electric motor and worm and worm wheel reduction gearing. = Reciprocating Pump
34. Instead of making use of gravity to cause separation the centrifuge uses centrifugal force, which is much greater. = Centrifugal force
35. Aboard a survival craft, ether can be used to __________. = start the engine in cold weather
36. If the engine of a survival craft does not start, check to  see __________.= if the fuel valve is open
37. Using a sea anchor with the survival craft will __________. = reduce your drift rate
38. During the towing of a survival craft, a lookout should be  on station to __________.= release the towline in an emergency
39. When using a handheld smoke signal aboard a survival craft, you should activate the signal __________.=on the downwind side of the craft
40. While retrieving the survival craft, the engine should be stopped __________. = when the craft clears the water
41. When should distress flares and rockets be used?= Only when there is a chance of them being sighted by rescue vessels.
42. Most lifeboats are equipped with __________.= unbalanced rudders
43. When using a handheld smoke signal in a lifeboat, you should hold and __________.= activate the signal on the downwind side
44. Which of the items in the lifeboat equipment listed would be the most suitable for night signaling to a ship on the horizon?= A red parachute flare
45. What is the purpose of the liferaft hydrostatic release? = To release raft from the cradle automatically if the ship sinks