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Questions and Answers
A badly leaking refrigeration compressor discharge valves will cause
A badly leaking refrigeration compressor discharge valves will cause
- Damage to the condenser
- Constant running of the compressor (correct)
- Overfeeding of the expansion valve
- Flooding of the receiverÂ
A change in the degree of fuel atomization in a diesel engine cylinder has the greatest effect on the
A change in the degree of fuel atomization in a diesel engine cylinder has the greatest effect on the
- Fuel injection rate
- Cylinder air turbulence
- Fuel spray angleÂ
- Combustion in that cylinder (correct)
A constant speed governor is usually installed on a
A constant speed governor is usually installed on a
- Electric motor
- Generator engine (correct)
- Cargo pump
- Wheelhouse
A loud clicking noise occurring from within the valve compartment of an opening diesel engine would indicate
A loud clicking noise occurring from within the valve compartment of an opening diesel engine would indicate
A twin-screw, rotary, positive displacement pump is provided with timing gears. If were possible to change the lead (pitch) of the screws, which of the following statements would represent the true effect on the pump characteristics?
A twin-screw, rotary, positive displacement pump is provided with timing gears. If were possible to change the lead (pitch) of the screws, which of the following statements would represent the true effect on the pump characteristics?
According to Regulations, power driven auxiliary steering gear for a vessel capable of a 12 knot service speed, must be able to meet the rudder movement requirements at which of the minimum vessel speeds listed below?
According to Regulations, power driven auxiliary steering gear for a vessel capable of a 12 knot service speed, must be able to meet the rudder movement requirements at which of the minimum vessel speeds listed below?
Air compressor cylinder unloader enable to compressor to?
Air compressor cylinder unloader enable to compressor to?
Air leakage between the shaft and stuffing box packing in a centrifugal pump is prevented by?
Air leakage between the shaft and stuffing box packing in a centrifugal pump is prevented by?
Air leakage into a flash type distilling plant could occur through
Air leakage into a flash type distilling plant could occur through
An excessive pressure differential across a lube oil strainer could indicate the
An excessive pressure differential across a lube oil strainer could indicate the
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Study Notes
Malfunctioning Compressor Discharge Valves
- A badly leaking refrigeration compressor discharge valves will cause issues with the system's operation.
Diesel Engine Performance
- A change in the degree of fuel atomization in a diesel engine cylinder has the greatest effect on the engine's performance.
Governor Installation
- A constant speed governor is usually installed on a diesel engine.
Valve Compartment Noise
- A loud clicking noise occurring from within the valve compartment of an opening diesel engine would indicate a problem with the valve operation.
Twin-Screw Pumps
- A twin-screw, rotary, positive displacement pump is provided with timing gears.
- Changing the lead (pitch) of the screws would affect the pump's characteristics.
Steering Gear Regulations
- Power-driven auxiliary steering gear for a vessel capable of a 12 knot service speed must be able to meet the rudder movement requirements at a minimum vessel speed of 7 knots.
Air Compressor Cylinder Unloader
- Air compressor cylinder unloaders enable the compressor to reduce its capacity.
Centrifugal Pump Sealing
- Air leakage between the shaft and stuffing box packing in a centrifugal pump is prevented by the stuffing box packing.
Flash Distillation Plant
- Air leakage into a flash type distilling plant could occur through improper sealing or opened valves.
Lube Oil Strainer
- An excessive pressure differential across a lube oil strainer could indicate the strainer is clogged.
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