Battery Maintenance MCQ Quiz Questions With Answers
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In this quiz, you'll be able to learn about various important battery maintenance MCQ questions with answers. So, if you're looking for a practice set of questions on cells, lead-acid batteries, and turbochargers, you should definitely play this quiz. Do you know batteries should be kept clean and corrosion-free at all times to work efficiently? Many other things should be done to maintain the lifetime of a battery. Do you know what those are? Take this quiz and get to know about them.
- 1.When servicing lead acid batteries, what precautions must be taken?
- A.
Wear PPE
- B.
Remove metal jewelry
- C.
Ensure neutralizing agent is available
- D.
All of the above
- 2.What is used to measure the specific gravity of a lead acid battery cell?
- A.
Thermometer
- B.
Anemometer
- C.
Barometer
- D.
Hydrometer
- 3.During servicing of a lead acid battery you notice that it has a low electrolyte level. What should you add to the battery to top up the electrolyte level?
- A.
Distilled water
- B.
Sulphuric acid
- C.
Tap water
- D.
Boric acid
- 4.What is used to neutralize a spilled electrolyte from a lead acid battery?
- A.
Boric acid
- B.
Water
- C.
Baking soda
- D.
Sulfuric acid
- 5.What electrolyte is used in lead acid batteries?
- A.
Boric acid
- B.
Potassium hydroxide
- C.
Sulfuric acid
- D.
Distilled water
- 6.What is a benefit of NiCad batteries compared to Lead Acid Batteries?
- A.
NiCad batteries are not susceptible to thermal runaway
- B.
NiCad batteries maintain an almost constant voltage throughout discharge
- C.
NiCad batteries require fewer cells for the same voltage
- D.
NiCad electrolyte is less corrosive & dangerous than Lead Acid electrolyte
- 7.What is the required next step if a NiCad battery fails its capacity check?
- A.
Deep cycle
- B.
Tag serviceable & place on shelf
- C.
Recharge
- D.
Tag unserviceable & scrap
- 8.What is used to neutralize a spilled electrolyte from a Nicad battery?
- A.
Boric acid
- B.
Water
- C.
Baking soda
- D.
Sulfuric acid
- 9.What electrolyte is used in NiCad batteries?
- A.
Boric acid
- B.
Potassium hydroxide
- C.
Sulfuric acid
- D.
Sodium bicarbonate
- 10.What happens to the specific gravity of a NiCad cell during discharge?
- A.
Decreases
- B.
Increases
- C.
Remains constant
- D.
Drops to zero
- 11.What will happen to the performance of a sea level boosted engine once it is above its critical altitude?
- A.
Nothing
- B.
The engine will overspeed and overheat
- C.
Performance (horsepower) will drop
- D.
Performance (horsepower) will rise
- 12.Where will the exhaust gasses enter a turbocharger?
- A.
Through the circular plenum around the outside of the turbine
- B.
Through the center of the turbine
- C.
Through the circular plenum around the outside of the compressor
- D.
Through the center of the compressor
- 13.What is often used to protect the engine from excessive turbocharger “boost”?
- A.
A bypass valve which will redirect some of the turbocharger exhaust into the inlet
- B.
A bypass valve valve which will redirect some of the turbochargers to the inlet
- C.
A back-pressure sensing thermal compensating
- D.
A pressure relief valve, set 1.5 - 2” of Hg above max specified boot
- 14.Which of the following is not a use for a turbocharger on an aircraft piston engine?
- A.
To increase sea level horsepower
- B.
To provide air for cabin pressurization
- C.
To create a pressure source to drive instruments and the de-ice
- D.
To maintain sea level horse to a critical altitude
- 15.What is the purpose of a sea level boosted engine?
- A.
To maintain sea level performance above the critical altitude
- B.
To maintain sea level performance up to the critical altitude
- C.
To maintain sea level performance below sea level
- D.
To maintain sea level performance up to the aircraft’s service
- 16.What is the source of “muscle” pressure that drives the waste gate actuator towards the closed position?
- A.
Hydraulic pressure
- B.
Oil pressure from the EDP
- C.
Fuel pressure from the EDP
- D.
Turbocharger compressor discharge pressure
- 17.When does the density controller control the turbocharger?
- A.
At full throttle
- B.
At idle
- C.
It does not, that is the job of the differential pressure
- D.
At all throttle settings
- 18.What is the compressor discharge pressure of a turbocharger also called?
- A.
Upper deck pressure
- B.
Exhaust back pressure
- C.
Exhaust gas pressure
- D.
Manifold pressure
- 19.How is the speed of the compressor controlled in a turbocharger system?
- A.
By controlling the flow of air into the compressor
- B.
By controlling the flow of air our of the turbine
- C.
By controlling the flow of air out of the compressor
- D.
By controlling the flow of air into the turbine
- 20.What is used to turn the compressor of a turbocharger?
- A.
The compressor will be turned by the crankshaft
- B.
Intake gasses passing through a turbine will turn the compressor
- C.
The compressor will be turned by the propeller gearbox
- D.
Exhaust gasses passing through a turbine will turn the compressor
- 21.An aircraft type certificate data sheet identifies that the empty weight centre of gravity (EWCG) range is between FS 47 and FS 53. A mechanic establishes that the actual EWCG is located at FS 47.2. Which of the following statements is correct?
- A.
The aircraft must be reweighted at every annual inspection to ensure that the EWCG is still within range.
- B.
The aircraft centre of gravity will always be between the forward at C of G range limits for all legal loading conditions
- C.
Ballast is required at the nose of the aircraft
- D.
Ballast is required in the tail of the aircraft
- 22.Which of the following describes useful load?
- A.
Maximum takeoff weight minus fuel used during flight
- B.
Another name for payload
- C.
Maximum takeoff weight minus basic empty weight
- D.
Basic empty weight plus usable fuel
- 23.What are the consequences of an aircraft operating with a centre of gravity that is too far forward?
- A.
Lower stall speed
- B.
Better spin characteristics
- C.
Improved pitch stability
- D.
Longer takeoff distance
- 24.Choose the statement that describes the datum from the following
- A.
Butt Line (BL) 0.0
- B.
An imaginary line down the centre-line of the aircraft, established by the manufacturer, used exclusively for weight and balance computations
- C.
Fuselage Station (FS) 0.0
- D.
An imaginary reference line used to identify wing stations
- 25.How is aircraft empty weight determined?
- A.
Maximum takeoff weight minus fuel used during the flight
- B.
Net weight plus unusable fuel
- C.
Scale weight minus tare weight
- D.
Scale weight plus tare weight
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