İKİNCİ MAKİNİST - BAŞ MAKİNİST
DENİZCİLİK İNGİLİZCESİ
1. ------is the first signal of lube- oil trouble.
A)Lube oil gravity tank low level alarm goes off
B)Low lube oil sump level
C)Low outlet temperature from lube oil coolers
D)No flow throught bull’s eye from gravity tank observed
E)A and B
2. ------is not one of the advantages of the open cooling system.
A)Being the simplest system
B)No requirement of heat exchange
C)Obligation of keeping engine cool
D)The requirement of only one water circulating pump
E)The requirement of 2 water circulating pumps
3.The TEV (thermostatic expansion valve) is located between:
A)The receiver and the king valve
B)The king valve and solenoid
C)Both A and B
D)The solenoid valve and evaporator
E)The charging valve and solenoid
4.What is the high pressure side of the refrigeration system?
A)Compressor to condenser
B)Evaporator to compressor
C)Expansion valve to evaporator
D)Compressor to expansion valve
E)Evaporator
5.The reciprocating motion of a connecting rod is transformed into a rotary motion by the:
A)Crankshaft
B)Crankwebs
C)Crank cheeks
D)Crankpine
E)Piston
6.What is the advantage of using a hydraulic starting system for an emergency diesel?
A)The system is inexpensive
B)High pressure lines are not required
C)It is compact
D)Faster cranking speeds are obtained
E)None of the above
7.What would cause white smoke after you just started the diesel?
A)Too week battery power
B)Water in the fuel
C)Water in the gas
D)Water in the oil
E)Salt water in cooling water
8.The turbocharger of an auxiliary diesel engine is most effected by:
A)Air inlet manifold pressure
B)Engine speed
C)Exhaust temperature
D)Engine load
E)None of the above
9.The coils in the evaporator are attached to the header by:
A)Pipe nipples
B)Union type fittings
C)Welding
D)Bolted flanges
E)Both C and D
10.The system used for breaking scale from the evaporator coil while the evaporator is in operation is called:
A)Recirculating
B)Blowing down
C)Cracking off
D)Dumping
E)None of above
11.Cylinder liner are generally used on diesel engines because:
A)Liners may be easily replaced after the cylinder walls show wear
B)Liners provide a more efficient cooling system
C)Rubbing speeds are reduced through the use of liners
D)Liners provide a better lubricating surface
E)None of the above
12.An over speeding diesel engine could best be stopped by:
A)Disconnecting the battery cables from the stating motor
B)Blocking the air intake and securing the fuel supply
C)A raining the hydraulic fluid from the governor sump
D)Blocking the flow of cooling air to the radiator
E)Both C and D
13.The valve which is always partially open when the evaporator is in operation is the:
A)Vapor valve
B)Continuous blowdown valve
C)Bottom blowdown valve
D)Surface blowdown valve
E)Bottom blowup valve
14.The dehydrator on a refrigeration plant is used to:
A)Add moisture to the system
B)Remove moisture from the system
C)Remove air from the system
D)Remove oil from the system
E)Both C and D
15.As freon leaves the expansion valve:
A)Pressure decreases – volume increases
B)Volume decreases – pressure increases
C)Volume increases – pressure increases
D)Pressure increases – volume decreases
E)None of the above
16.------is the principal hazard to staff when a diesel nozzle tester is in use is
A)Electrical shock
B)Toxic fumes
C)Explosion
D)Blood poisoning
E)Loosing consciousness
17.The oil level in the compressor should be checked:
A)While the compressor is in operation
B)Just before starting the compressor
C)After a long period of operation
D)For both B and C
E)None of the above
18.What type of gauge reads pressure and vacuum?
A)Duplex
B)Simplex
C)Both B and C
D)Compound
E)Bourdon tube
19.Minor freon leaks can be detected by the use of a device called:
A)A freon visible leak detector
B)A freon audible leak detector
C)The blue oven flame detector
D)Halide torch
E)None of the above
20.Most gauges in the fire room are:
A)Manometers
B)Thermocouples
C)Dual purpose
D)Thermometers
E)Bourdon tube – type