GENERAL AMT WRITT EN QUESTIONS AND ANSWERS WITH SOLUTIONS 2024 When calculating power in a reactive or inductive AC circuit the true power is - ANSWER Less than the apparent power The potential difference between two conductors which are insulated from each other is measured in - ANSWER Volts The presence of any small amount of potassium carbonate deposits on the top of nickel -cadmium battery cells in service is an indication of - ANSWER Normal operation Which is true: A-According to 14 CFR part 91 repairs to an aircraft skin should have a detailed dimensional sketch included in the permanent records B- On occasion a mechanic may need to make a simple sketch of a proposed repair to an aircraft a new design or a modification - ANSWER B - On occasion a mechanic may need to make a simple sketch of a proposed repair to an aircraft a design or a modification When inductors are connected in a series in a circuit the total inductance is - ANSWER Equal to the sum of the individual inductances The end of charge voltage of a 19 cell nicad battery measured while still on charge - ANSWER Depends upon its temperature and the method used for charging How can the state of charge of a nicad battery be detemined - ANSWER By measured discharge What is the first step of the procedure in sketching an aircraft wing skin repair - ANSWER Block in the views WHich requires the most electrical power A- 12 v motor requiring 8 amperes B- 4 30 watt amps in a 12 v parallel circuit C- 2 lights requiring 3 amps each in a 24 v system - ANSWER C - 2 lights requiring 3 amps each in a 24 v parallel system Which is true A- Schematic diagrams indicate the location of individual components in the aircraft B- Schematic diagrams indicate the location of components with respect to each other within the system - ANSWER B - Schematic diagrams indicate the location of components with respect to each other within the system The core of Alclad 2024 -T4 is - ANSWER Heat treated aluminum alloy and the surface material is commercially pure aluminum What is the class of working drawing that is the description or depiction of a single part - ANSWER Detail drawing For sketching purposes almost all objects are composed of one or some combination of six basic shapes they include - ANSWER triangle, circle, cube, cylinder, cone, sphere The CG range in single rotor helicopters is - ANSWER More restricted than for airplanes In nicad batteries a rise in cell temp causes - ANSWER A decrease in internal resistance In a balance computation of an aircraft from which an item located aft of the datum was removed use - ANSWER ( -)weightX (+)arm = ( -) moment Metal tubing fluid lines are sized by wall thickness and - ANSWER Outside diameter in 1/16 in In mosth aircraft hydraulic systems 2 piece tube connectors consisting of a sleeve and a nut are used when a tubing flare is required. The use of this type of connector eliminates - ANSWER The possibility of reducing the flare thickness by wiping or ironin g during the tightening process Hydraulic tubing which is damaged in a localized area to such an extent that repair is necessary may be repaired by - ANSWER Cutting out the damaged area and utilizing a swaged tube fitting to join the tube ends The SAE and American Iron and Steel Institute use a numerical index system to identify the composition of various steels. IN 4130 designating chromium myolybdenum steel the first digit indicates - ANSWER Basic alloying element What is an advantage of a double flare on aluminum tubing - ANSWER More resistant to damage when the joint is tightened A certain amount of slack must be left in a flexible hose during installation because when under pressure it - ANSWER Contracts in length and expands in diameter What is generally used in construction of aircraft engine firewalls - ANSWER Stainless steel How is a clevis bolt used with a fork end cable terminal secured - ANSWER With a shear nut tightened to a snug fit but with no strain imposed on the fork and saftied with a cotter pin Liquid penetrant inspections may be used on what metals - ANSWER Ferrous, nonferrous, nonporous plastics Two boxes which weigh 10 pounds and 5 pounds are placed on an aircrat so that their distance aft of the CG are 4 ft and 2 ft respectively. How far forward of the CG should a 3rd box weighing 20 lbs be placed so that the CG will not affect the CG - ANSWER 2 .5 feet How is the locking feature on the fiber type locking nut obtained - ANSWER By making the threads in the fiber insert slightly smaller than those in the load carrying the section In the 4 digit aluminum index system number 2024 the first digit indicates - ANSWER The major alloying element To detect a minute crack using a dye penertant inspection usually requires - ANSWER A longer than normal penterating time
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Performance. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $16.99. You're not tied to anything after your purchase.