411. - PLT254
The valve located on each tank that indicates when the tank is filled to 80 percent capacity is the
A) main tank valve.
B) vapor-bleed valve.
C) pilot valve.
412. - PLT254
The valve located on the top of the propane tank which opens automatically when the pressure in
the tank exceeds maximum allowable pressure is the
A) pressure relief valve.
B) metering valve.
C) blast valve.
413. - PLT177
Burner efficiency of a hot air balloon decreases approximately what percent for each 1,000 feet
A) 4 percent.
B) 8 percent.
C) 15 percent.
414. - PLT177
On a balloon equipped with a blast valve, the blast valve is used for
A) climbs and descents only.
B) altitude control.
C) emergencies only.
415. - PLT208
What action is most appropriate when an envelope over-temperature condition occurs?
A) Throw all unnecessary equipment overboard.
B) Descend; hover in ground effect until the envelope cools.
C) Land as soon as practical.
416. - PLT208
Prior to a high-wind landing, the pilot in command should brief the passengers to prepare for the
A) kneeling on the floor and facing aft.
B) crouching on the floor and jumping out of the basket upon contact with the ground.
C) crouching while hanging on in two places, and remaining in the basket until advised otherwise.
417. - PLT184
The windspeed is such that it is necessary to deflate the envelope as rapidly as possible during a
landing. When should the deflation port (rip panel) be opened?
A) The instant the gondola contacts the surface.
B) As the balloon skips off the surface the first time and the last of the ballast has been discharged.
C) Just prior to ground contact.
418. - PLT486
Which precaution should be exercised if confronted with the necessity of having to land a balloon
when the air is turbulent?
A) Land in any available lake close to the upwind shore.
B) Land in the center of the largest available field.
C) Land in the trees to absorb shock forces, thus cushioning the landing.
419. - PLT304
What is a recommended ascent upon initial launch?
A) Maximum ascent to altitude to avoid low-level thermals.
B) Shallow ascent to avoid flashbacks of flames as the envelope is cooled.
C) A moderate-rate ascent to determine wind directions at different levels.
420. - PLT237
What causes false lift which sometimes occurs during launch procedures?
A) Closing the maneuvering vent too rapidly.
B) Excessive temperature within the envelope.
C) Venturi effect of the wind on the envelope.