Intro Jet Engine Quiz - Advanced
Introductory Jet Engine quiz for those who have some prior knowledge of Jet Engines. Help to establish level of prior learning in order to correctly differentiate learners.
- 1.WHICH OF THE FOLLOWING TYPES OF ENGINE DOES NOT USE ATMOSPHERIC AIR FOR COMBUSTION
- A.
ROCKET
- B.
PULSEJET
- C.
RAMJET
- 2.WHAT EFFECT DOES A DIVERGENT DUCT HAVE ON AIRFLOW
- A.
AN INCREASE IN PRESSURE AND DECREASE IN VELOCITY
- B.
AN INCREASE IN PRESSURE AND INCREASE IN VELOCITY
- C.
A DECRASE IN PRESSURE
- 3.DURING SUPERSONIC FLIGHT WHAT MAJOR AIRCRAFT COMPONENT CAN NOT WITHTAND SUPERSONIC VELOCITY AIRFLOW
- A.
THE TAIL
- B.
THE ENGINE
- C.
THE INTAKE
- 4.IN AN AXIAL-FLOW ENGINE, BY WHAT MEANS IS HIGH-VELOCITY , LOW PRESSURE AIR CONVERTED TO LOW-VELOCITY, HIGH PRESSURE AIR
- A.
ACTION OF SINGLE INTAKE DIFFUSER
- B.
ACTION OF STATOR BLADES AT EACH STAGE OF COMPRESSION
- 5.WHAT IS THE MOST SERIOUS DISADVANTAGE OF AXIAL-FLOW COMPRESSOR
- A.
LOW COMPRESSION RATIO
- B.
HIGH STARTING POWER NEEDS
- C.
HIGH TENDENCY TO STALL
- 6.WITH REFERENCE TO AXIAL-FLOW ENGINE THE ANGLE OF ATTACK IS THE ANGLE AT WHICH THE AIRFLOW
- A.
STRIKES THE ROTOR BLADES
- B.
BECOMES TURBULANT OVER THE UPPER FOIL SURFACE
- 7.WHAT THREE ENGINE OPERATING PARAMETERS CAUSE THE AIRFLOW ANGLE OF ATTACK TO VARY
- A.
ENGINE RPM, HUMIDITY AND COMPRESSOR DISCHARGE PRESSURE
- B.
ENGINE, RPM, COMPRESSOR-INLER TEMP AND COMPRESSOR DISCHARGE PRESSURE
- 8.ENGINE CHOKING REFERS TO WHICH OF THE FOLLOWING TERMS
- A.
HIGH COMPRESSOR INLET AIR TEMP
- B.
STALL DUE TO AN EXCESS VOLUME OF AIR IN THE REAR OF COMPRESSOR
- 9.INLET GUIDE VANES CHANGE THE DIRECTION OF THE AIR ENTERING AND LEAVING THE COMPRESSOR IN WHAT MANER
- A.
BY SWIRLING IT AS IT ENTERS AND LEAVES
- B.
BY SWIRLING IT AS IT ENTERS AND STRAIGHTENING IT OUT AS IT LEAVES
- 10.BLEED AIR FOR UNLOADING THE COMPRESSOR DURING STARTING , COCKPIT PRESSURIZATION AND HEATING, ENGINE ANTI-ICING, FUEL TANK , PRESSURIZATION AND VARIOUS OTHER PURPOSES IS TAPPED FROM WHICH OF THE FOLLOWING SOURCES
- A.
THE COMPRESSOR FOR LOW PRESSURE AND TEMPERATURE NEEDS ONLY
- B.
DIFFERENT STAGES OF THE COMPRESSOR DEPENDING ON THE PRESSURE AND TEMPERATURE NEEDED
- 11.WHAT IS THE PRIMARY FUNCTION OF THE COMBUSTION SECTION
- A.
TO PROVIDE IGNITION
- B.
TO BURN THE FUEL-AIR MIXTURE
- 12.APPROXIMATELY WHAT % OF AIR ENTERING THE COMBUSTION CHAMBER IS MIXED WITH FUEL FOR COMBUSTION
- A.
40 %
- B.
35%
- C.
25%
- 13.APPROXIMATELY WHAT % OF AIR ENTERING THE COMBUSTION CHAMBER SERVES AS FLAME CONTROL
- A.
80%
- B.
75%
- C.
65%
- 14.WHICH OF THE FOLLOWING IS NOT A BASIC ELEMENT OR SYSTEM OF COMBUSTION CHAMBER
- A.
CASING
- B.
INNER LINER
- C.
AIR POLLUTION EMISION REDUCTION
- 15.WHICH OF THE FOLLOWING IS NOT A BASIC TYPE OF COMBUSTION CHAMBER
- A.
ANNULAR
- B.
CAN-ANNULAR
- C.
BASKET-CHAMBER
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