OIC-EW MARINA REVIEWER / QUIZ COMPETENCE 4 - PART 4 - Seaman Kowts

COMPETENCE 4 -Operate Main and Auxiliary Machinery and – Associated Control Systems

Results

Congratulations! Share the result.

Try again. There is always a chance. Review the results.

#1. Heat is defined as _________.

stored potential energy

thermal energy in transition

stored kinetic energy

All of the options

Incorrect!

#2. Latent heat of evaporation of water is

100 BTU per lb

212 BTU per lb

100 calories per

970 BTU per lb.

Incorrect!

#3. It is the state of a system wherein no heat flow takes place between its components.

Thermal unsteady state

Thermionic state

Thermal equilibrium

Thermal temperature

Incorrect!

#4. A mechanical and or hydraulic actin that prevents over correction of the energy medium supply in a governor which produces transient speed droop during a speed correction is known as

Stability

compensation

dead brand

sensitivity

Incorrect!

#5. What pressure is usually carried on a gland sealing system

6 to 8 LBS gauge pressure

4 to 5 LBS gauge pressure

8 to 10 LBS gauge pressure

2 to 3 LBS gauge pressure

Incorrect!

#6. A 200 PSI new boiler should be subjected to a hydrostatic pressure of

400 PSI

300PSI

500 PSI

250 PSI

Incorrect!

#7. Enthalpy is the number of heat energy a sustance contains above

100 degree celsius

32 degree Fahrenheit

0 degree Fahrenheit

212 degree Fahrenheit

Incorrect!

#8. Specific heat of water is:

10°F

100°C

212°F

Incorrect!

#9. Work is conveniently expressed in:

pounds per minute

kilograms per minute

kilogram meter

foot-pounds per minute

Incorrect!

#10. A pressure reading of 00.0 psig is theoritically equal to

14.7 psia

30.0 inches of water

30.0 inches of vacuum

00.0 psia

Incorrect!

#11. Vacuum refers to pressures

34 inches of mercury

31 inches of mercury

below atmospheric

zero gauge

Incorrect!

#12. Which of the following statement is true about the laws of friction?

the magnitude of the force decrease up to a limiting value

the force is independent of the area of contact

friction acts so as to attract the motion of one body relative to another

the frictional force is greater than if motion is just to take place

Incorrect!

#13. Saturated steam is a steam that

has temperature at boiling point

contains moisture

has temperature above boiling point

contains no moisture

Incorrect!

#14. The temperature at which a vapor liquifies is called

dew point

condensation point

vaporation point

moisture point

Incorrect!

#15. Vacuum refers to pressures as

34 inches of mercury

32 inches of mercury

zero gauge

below atmospheric

Incorrect!

#16. A theoretical engine cycle is a process that ______.

takes place in the combustor of the engine

begins with certain conditions, progresses through a series of additional conditions and returns to the original conditions

begins with certain conditions, progresses to a steady state and stays there

None of the stated options

Incorrect!

#17. Too high alkalinity of boiler wear may cause

scale

corrosion

caustic embrittlement

acidity

Incorrect!

#18. Which of the following represents the definition of energy?

energy is work that has been completed

energy is the capacity of work being done

energy is the capacity for producing and effect

energy is produced power

Incorrect!

#19. Power is the work done as

33,000 ft. pounds

2450 kilogram

per unit of time

work times distance

Incorrect!

#20. In a Roots-type rotary blower, the volume of air delivered is directly proportional to ______.

engine speed

engine load

brake horsepower

brake specific fuel consumption

Incorrect!

#21. A motor ship cruising at average speed of 14.55 knots/hr. How far could it travel in one and one half day?

480.15 miles

356.47 miles

523.80 miles

494.70 miles

Incorrect!

#22. The pressure due to a column of H2O one foot high is

.491 lbs/sq. in

.434 lbs/sq. in

.5 lbs/sq. in

.625 lbs/sq. in

Incorrect!

#23. The number of cubic feet of fresh water that will weigh one ton is

62 cu. Ft.

35.84 cu. Ft.

24.5 cu. Ft.

30.4 cu. Ft.

Incorrect!

#24. Specific heat of a substance is defined as the heat required to raise the temperature of

1 lb. of it to 1oC

1 kg. of it to 1oF

1 lb. of it to 1oF

10 lbs. of it to 1oF

Incorrect!

#25. A reversable adiabatic process is also called:

isobaric

isometric

isentropic

isothermal

Incorrect!

#26. Rotating flyweights acting against a spring force makes up a simple type of _______.

governor

reducing valve

safety valve

feedwater regulator

Incorrect!

#27. Steam which is in physical contact with the boiling water from which it has been generated is termed:

unsaturated team

pure steam

wet steam

saturated steam

Incorrect!

#28. Kinetic energy is the energy of the body has due to its ______.

position

temperature

motion

horsepower

Incorrect!

#29. 23°C reads in absolute degrees centigrade as

123° AC

146° AC

276° AC

296° AC

Incorrect!

#30. Which of the following statements is NOT one of Newton's laws?

A body at rest tends to remain rest and a body in motion tends to remain in motion.

For every action there is an equal and opposite reaction.

If the pressure is constant, the volume of an enclosed dry gas varies directly with the absolute temperature.

An imbalance of force on a body tends to produce an acceleration in the direction of that force which is directly proportional to the applied force and inversely proportional to the mass of the body.

Incorrect!

Finish

There are 30 questions for the actual examination for Competence 4 for OIC-EW with a passing rate of 70%. This means that you are only allowed to make 9 mistakes.

DISCLAIMER

The questionnaires contained in this “reviewer” are extracted from the post released by MARINA on their official website and other review materials. Please note that Seaman Kowts is not affiliated with, endorsed by, or connected to the official website of MARINA. The information provided on this website is for general informational and educational purposes only and should not be relied upon as official or authoritative. If you require official information or services, please visit the official website or any relevant review center. We do not assume any responsibility or liability for any consequences resulting from the use of information or services provided on this website.

Results

#1. Heat is defined as _________.

#2. Latent heat of evaporation of water is

#3. It is the state of a system wherein no heat flow takes place between its components.

#4. A mechanical and or hydraulic actin that prevents over correction of the energy medium supply in a governor which produces transient speed droop during a speed correction is known as

#5. What pressure is usually carried on a gland sealing system

#6. A 200 PSI new boiler should be subjected to a hydrostatic pressure of

#7. Enthalpy is the number of heat energy a sustance contains above

#8. Specific heat of water is:

#9. Work is conveniently expressed in:

#10. A pressure reading of 00.0 psig is theoritically equal to

#11. Vacuum refers to pressures

#12. Which of the following statement is true about the laws of friction?

#13. Saturated steam is a steam that

#14. The temperature at which a vapor liquifies is called

#15. Vacuum refers to pressures as

#16. A theoretical engine cycle is a process that ______.

#17. Too high alkalinity of boiler wear may cause

#18. Which of the following represents the definition of energy?

#19. Power is the work done as

#20. In a Roots-type rotary blower, the volume of air delivered is directly proportional to ______.

#21. A motor ship cruising at average speed of 14.55 knots/hr. How far could it travel in one and one half day?

#22. The pressure due to a column of H2O one foot high is

#23. The number of cubic feet of fresh water that will weigh one ton is

#24. Specific heat of a substance is defined as the heat required to raise the temperature of

#25. A reversable adiabatic process is also called:

#26. Rotating flyweights acting against a spring force makes up a simple type of _______.

#27. Steam which is in physical contact with the boiling water from which it has been generated is termed:

#28. Kinetic energy is the energy of the body has due to its ______.

#29. 23°C reads in absolute degrees centigrade as

#30. Which of the following statements is NOT one of Newton's laws?

You may interested:

OIC-EW MARINA REVIEWER / QUIZ COMPETENCE 15 – PART 3

OIC-NW MARINA REVIEWER / QUIZ COMPETENCE 9 – PART 4

OIC-NW MARINA REVIEWER / QUIZ COMPETENCE 12 – PART 3