Podcast
Questions and Answers
What is the primary function of a bimetallic strip in temperature sensors?
What is the primary function of a bimetallic strip in temperature sensors?
- To measure the pressure of a system
- To detect changes in humidity
- To regulate the flow of liquids
- To compensate for temperature changes (correct)
What is the main purpose of a bimetallic U-shaped bracket in an altimeter?
What is the main purpose of a bimetallic U-shaped bracket in an altimeter?
- To increase the accuracy of the altimeter
- To compensate for changes in temperature (correct)
- To amplify the pressure signal
- To reduce the weight of the altimeter
What happens to the elasticity of the capsule material when the temperature decreases?
What happens to the elasticity of the capsule material when the temperature decreases?
- It remains the same
- It becomes zero
- It increases (correct)
- It decreases
What is the effect of a decrease in temperature on the U-shaped bracket?
What is the effect of a decrease in temperature on the U-shaped bracket?
What is the primary cause of the temperature coefficient of the instrument?
What is the primary cause of the temperature coefficient of the instrument?
What would happen to the altimeter reading if the temperature were to decrease and there were no temperature compensation?
What would happen to the altimeter reading if the temperature were to decrease and there were no temperature compensation?
What is the primary purpose of the 10 000-foot pointer in an altimeter?
What is the primary purpose of the 10 000-foot pointer in an altimeter?
What occurs to the striped disc in the 10 000-foot pointer as the aircraft climbs above 10 000 feet?
What occurs to the striped disc in the 10 000-foot pointer as the aircraft climbs above 10 000 feet?
What is the purpose of the vibrator in some aircraft's altimeter?
What is the purpose of the vibrator in some aircraft's altimeter?
What causes the aneroid capsules to expand in an altimeter?
What causes the aneroid capsules to expand in an altimeter?
What is the purpose of the tubing and hose in an altimeter?
What is the purpose of the tubing and hose in an altimeter?
What is the significance of the 10 000-foot segment in the 10 000-foot pointer?
What is the significance of the 10 000-foot segment in the 10 000-foot pointer?
What is the approximate expansion of the capsule for an ascent from sea level to 30,000 ft?
What is the approximate expansion of the capsule for an ascent from sea level to 30,000 ft?
What is the purpose of stacking aneroid capsules in an instrument?
What is the purpose of stacking aneroid capsules in an instrument?
What is the difference between an aneroid capsule and a bellows?
What is the difference between an aneroid capsule and a bellows?
What is the purpose of an aneroid capsule in an aircraft?
What is the purpose of an aneroid capsule in an aircraft?
What is the mechanism used to transfer linear movement into rotary movement in an altimeter?
What is the mechanism used to transfer linear movement into rotary movement in an altimeter?
What can happen to a pitot probe if it is operated for too long on the ground?
What can happen to a pitot probe if it is operated for too long on the ground?
Why is it important to keep the area around fuselage-mounted static ports clean?
Why is it important to keep the area around fuselage-mounted static ports clean?
What is the relationship between the pressure change and the expansion of the aneroid capsule?
What is the relationship between the pressure change and the expansion of the aneroid capsule?
What can happen if pitot heaters are operated with protective covers fitted?
What can happen if pitot heaters are operated with protective covers fitted?
Why should you always test the temperature of a pitot probe with the back of your hand?
Why should you always test the temperature of a pitot probe with the back of your hand?
What can cause damage to the profile of all openings on a pitot probe?
What can cause damage to the profile of all openings on a pitot probe?
What is the purpose of a 'salt shaker' design on some static ports?
What is the purpose of a 'salt shaker' design on some static ports?
What is the purpose of the two screws in the unpainted area?
What is the purpose of the two screws in the unpainted area?
What material is used to make the pipelines to prevent corrosion?
What material is used to make the pipelines to prevent corrosion?
Why are the pitot lines usually smaller in diameter than the static lines?
Why are the pitot lines usually smaller in diameter than the static lines?
What is used to identify a pipeline at regular intervals along its length?
What is used to identify a pipeline at regular intervals along its length?
Why is it necessary to guard against water accumulation in the system?
Why is it necessary to guard against water accumulation in the system?
What is the purpose of the colour coding of the pipelines?
What is the purpose of the colour coding of the pipelines?