252 In a steady climb at constant airspeed:
O The power available must exceed the power required for straight and level flight.
O The power available must be less than the power required.
O The power available must be equal to the power required.
253 If the inlet valve opens 20 degrees before Top Dead Centre (TDC) this is called:
O A valve lead by 20 degrees.
O A valve lag by 20 degrees.
O A valve overlap by 20 degrees.
254 Where may an aircraft's operating limitations be found?
O In the current, JAA/FAA approved flight manual, approved manual material, markings and placards, or any combination thereof
O On the Airworthiness Certificate
O In the aircraft airframe and engine logbooks
O In the pilot's private license
255 Excessively high engine temperatures will:
O cause loss of power, excessive oil consumption and possible permanent internal engine damage
O cause damage to heat-conducting hoses and warping of the cylinder cooling fins
O not appreciably affect an aircraft engine
O cause damage only to ignition system
256 One purpose of the dual ignition system on an aircraft engine is to provide:
O improved engine performance
O uniform heat distribution
O balanced cylinder head pressure
O less noise
257 Which condition is most favorable to the development of carburetor icing:
O temperature between -10 C0 and 20 C0 and high humidity
O Any temperature below freezing and a relative humidity of less than 50%
O temperature between 0 C0 and 10 C0 and low humidity
O low temperature
258 Applying carburetor heat will:
O enrich the fuel/air mixture
O result in more air going through the carburetor
O not affect the fuel/ air mixture
O improve the engine's power
259 If the grade of fuel used in an aircraft engine is lower than specified for the engine, it will most likely cause:
O detonation
O a mixture of fuel and air that is not uniform in all cylinders
O lower cylinder head temperatures
O fire
260 If a pilot suspects that the engine (with a fixed-pitch propeller) is detonating during climb out after take-off, the initial corrective action to take would be:
O lower the nose slightly to increase airspeed
O lean the mixture
O apply carburetor heat
O decrease speed
261 The uncontrolled firing of the fuel/air charge in advance of normal spark ignition is known as:
O pre-ignition
O combustion
O refueling
262 What type fuel can be substituted for an aircraft if the recommended octane is not available?
O the next higher octane aviation gas
O the next lower octane aviation gas
O unleaded automotive gas of the same octane ratting
O any automotive gas
263 Filling the fuel tanks after the last flight of the day is considered a good operating procedure because this will:
O prevent moisture condensation by eliminating air space in the tanks
O force any existing water to the top of the tank away from the fuel lines to the engine
O prevent expansion of the fuel by eliminating airspace in the tanks
O prepare the aircraft for the next day flights
264 For internal cooling, reciprocating aircraft engines are especially dependent on:
O the circulation on lubricant oil
O a properly functioning thermostat
O air flowing over the exhaust manifold
O the air cooler
265 An abnormally high engine oil temperature indication may be caused by:
O the oil level being too low
O operating with a too high viscosity oil
O operating with an excessively rich mixture
O the oil level being too high
266 What action can a pilot take to aid in cooling an engine that is overheating during a climb?
O reduce rate of climb and increase airspeed
O reduce climb speed and increase RPM
O increase climb speed and increase RPM
O reduce RPM
267 What is one procedure to aid in cooling an engine that is overheating:
O enrichen the fuel mixture
O increase RPM
O reduce the airspeed
268 What is an advantage of a constant-speed propeller?
O permits the pilot to select the blade angle for the most efficient performance
O permits the pilot to select and maintain a desired cruising speed
O provides a smoother operation with stable RPM
O permits the pilot to select the angle of attack for best performance
269 A precaution for the operation of an engine equipped with a constant-speed propeller is to :
O avoid high manifold pressure settings with low RPM
O avoid high RPM setting with high manifold pressure
O always use a rich mixture with high PRM settings
O avoid use of rich mixture for a long time
270 What should be the first action after starting an aircraft engine?
O adjust for proper RPM and check for desired indications on the engine gauges
O place the magneto or ignition switch momentarily in the OFF position to check for proper grounding
O test each brake and the parking brake
O check the fuel indications
271 Should it become necessary to handprop an airplane engine, it is extremely important that a competent pilot:
O be at the controls in the cockpit
O call //contact// before touching the propeller
O be in the cocpit and call out all commands
O call for help a trained engineer
272 Which V-speed represents maneuvering speed ?
O VA
O VLO
O VNE
O VS0
273 If an altimeter setting is not available before flight, to which altitude should the pilot adjust the altimeter?
O the elevation of the departure area
O the elevation of the nearest airport corrected to mean sea level
O pressure altitude corrected for non standard temperature
O MSL
274 Prior to take off, the altimeter should be set to which altitude or altimeter setting?
O the current local altimeter setting, if available, or the departure airport elevation
O the corrected density altitude of the departure airport
O the corrected pressure altitude for the departure airport
275 If the pitot tube and outside static vents become clogged, which instruments would be affected?
O the altimeter, airspeed indicator, and vertical speed indicator
O the altimeter, attitude indicator, and turn-and-slip indicator
O the altimeter and the airspeed indicator
O the altimeter, airspeed indicator, and turn-and-slip indicator
276 Which instrument will become inoperative if the pitot tube becomes clogged?
O Airspeed
O Altimeter
O Vertical speed
O Turn-and-slip indicator
277 Which instrument(s) will become inoperative if the static vents become clogged?
O Altimeter, airspeed and vertical speed
O Airspeed only
O Altimeter only
O Turn-and-slip indicator only
278 (Refer to Fig. 1) Altimeter 1 indicates :
O 10,500 feet
O 500 feet
O 1,500 feet
O 15,000 feet
279 (Refer to Fig. 1) Altimeter 2 indicates :
O 14,500 feet
O 4,500 feet
O 15,400 feet
280 (Refer to Fig. 1) Altimeter 3 indicates :
O 9,500 feet
O 10,950 feet
O 15,940 feet
O 14,950 feet
281 (Refer to Fig.1) Which altimeter(s) indicate(s) more than 10,000 feet?
O 1 and 2 only
O 1,2 and 3
O 1 only
O 2 only
282 What is true altitude?
O the vertical distance of the aircraft above mean sea level
O the vertical distance of the aircraft above the surface
O the height above the standard datum plane
O the vertical distance of the aircraft above the clouds
283 What is absolute altitude?
O the altitude read directly from the altimeter
284 What is density altitude?
O the pressure altitude corrected for nonstandard temperature
285 What is pressure altitude?
O the altitude indicated when the barometric pressure scale is set to 1013.25 hPa
O the indicated altitude corrected for position and installation error
O the indicated altitude corrected for nonstandard temperature and pressure
286 Under what conditions is indicated altitude the same as the true altitude?
O when at sea level under standard conditions
O if the altimeter has no mechanical error
O when at 18,000 feet MSL with the altimeter set at 1013.25 hPa
287 if it is necessary to set altimeter from 1010 to 1033 hPa, what change occurs?
O 700-feet increase in indicated altitude
O 70-feet increase in indicated altitude
O 70-feet increase in density altitude
O 700-feet increase in density altitude
288 The pitot system provides impact pressure for which instrument(s)?
O airspeed indicator
O altimeter
O vertical speed indicator
O all them
289 As altitude increases, the indicated airspeed at which a given airplane stalls in particular configuration will:
O remain the same regardless of altitude
O decrease as the true airspeed decreases
O decrease as the true airspeed increases
O increase as the true speed decreases
290 What does the red line on an airspeed indicator represent? (Fig.2)
O never-exceeded speed
O maneuvering speed
O turbulence or rough-air speed
O staling speed
291 (Refer to Fig.2) What is the full flap operating range for the airplane?
O 60 to 100 MPH
O 60 to 208 MPH
O 65 to 165 MPH
O 60 to 165 MPH
292 (Refer to Fig.2) What is the caution range for the airplane?
O 165 to 208 MPH
O 0 to 60 MPH
O 100 to 165 MPH
O 100 to 208 MPH
293 (Refer toFig.2) What is the maximum speed in which the airplane can be operated in smooth air?
O 208 MPH
O 100 MPH
O 165 MPH
O 225 MPH
294 (Refer to Fig.2) Which colour identifies the never-exceeded speed?
O the red radial line
O lower limit of the yellow arc
O the green radial line
O lower limit of the green arc
295 (Refer to Fig.2) Which colour identifies the power-off stalling speed in a specified configuration?
O upper limit of the green arc
O upper limit of the white arc
296 (Refer to Fig.2) What is the maximum flaps-extended speed?
O 65 MPH
297 (Refer to Fig.2) Which colour identifies the normal flap operating range?
O the white arc
O the lower limit of the white arc to the upper limit of the green arc
O the green arc
O the yellow arc
298 The (Refer to Fig.2) What is the maximum structural cruising speed?
O 240 MPH
299 What is an important airspeed limitation that is not colour coded on airspeed indicator?
O maximum structural cruising speed
O the flap operating speed
300 A turn coordinator provides an indication of the:
O movement of the aircraft about the yaw and roll axes
O angle of bank up not exceeding 300
O attitude of the aircraft with reference to the longitudinal axis
O angle of bank up not exceeding 600
301 To receive accurate indications during flight from a heading indicator, the instrument must be:
O periodically realigned with magnetic compass as the gyro precesses
O set prior to flight on a known heading
O calibrated on a compass rose at regular intervals
O clear from dust
