EASA Part 66 : Maintenance Practice Question 3 With Complete Solutions

EASA Part 66 : Maintenance Practice Question 3 With
Complete Solutions


Question Number. 1. How many strokes per minute should generally be used with a
hacksaw?.

Option A. 60.

Option B. 30.

Option C. 55. - ANSWER Correct Answer is. 55.

Explanation. NIL.



Question Number. 2. What type of drill would you use on carbon fibre?.

Option A. Diamond tipped.

Option B. Carborundum.

Option C. Tungsten carbide. - ANSWER Correct Answer is. Tungsten carbide.

Explanation. Airbus A340-600 SRM.



Question Number. 3. A micro-shaver is used to.

Option A. cut rivets to length prior to forming.

Option B. mill the rivet head after forming.

Option C. trim the shank diameter prior to forming. - ANSWER Correct Answer is. mill
the rivet head after forming.

Explanation. A&P Technician Airframe Textbook 2-37 and 2-68.



Question Number. 4. How many teeth per inch are there on a fine hacksaw blade?.

Option A. 64.

Option B. 16.

Option C. 32. - ANSWER Correct Answer is. 32.

,Explanation. Jeppesen A&P Technician General Textbook Page 13.



Question Number. 5. What is the normal cutting angle of a drill?.

Option A. 59°.

Option B. 130°.

Option C. 12°. - ANSWER Correct Answer is. 59°.

Explanation. Jeppesen A&P Technician General Textbook Page 15.



Question Number. 6. When using a moving coil as an ammeter the greatest amount of
current flows through the.

Option A. bushes.

Option B. coil.

Option C. shunt. - ANSWER Correct Answer is. shunt.

Explanation. Jeppesen A&P Technician General Textbook Page 3-89.



Question Number. 7. When using the old style vernier caliper for taking internal
measurements.

Option A. add the nib measurements.

Option B. subtract the nib measurements.

Option C. the nib size has no relevance and can be ignored. - ANSWER Correct Answer
is. add the nib measurements.

Explanation. Jeppesen A&P General Textbook 9-39.



Question Number. 8. To carry out an insulation test on a wire rated at 115 volts you
would use.

Option A. a 250 volt megger.

Option B. a 115 volt megger.

Option C. a 500 volt megger. - ANSWER Correct Answer is. a 250 volt megger.

Explanation. CAAIP S Leaflet 9-1, 4.4.2 As a rule of thumb, the megger should be twice

,the voltage of the system under test.



Question Number. 9. The normal drill angles are.

Option A. cutting angle 59°, web angle 130° and clearance angle 12°.

Option B. cutting angle 130°, web angle 59° and clearance angle 12°.

Option C. cutting angle 12°, web angle 130° and clearance angle 130°. - ANSWER
Correct Answer is. cutting angle 59°, web angle 130° and clearance angle 12°.

Explanation. NIL.



Question Number. 10. The abbreviation 'A/F' means.

Option A. American Fine.

Option B. Across Flats.

Option C. Associated Fine. - ANSWER Correct Answer is. Across Flats.

Explanation. CAAIP S Leaflet 9-3 Pg.7.



Question Number. 11. A rivet shaver is used to.

Option A. mill the head flush.

Option B. mill the tail after cutting.

Option C. mill the tail after setting. - ANSWER Correct Answer is. mill the head flush.

Explanation. Jeppesen A&P Airframe Textbook 2-68.



Question Number. 12. A drill and wire gauge has holes numbered.

Option A. 10 to 60.

Option B. 1 to 80.

Option C. 1 to 50. - ANSWER Correct Answer is. 1 to 80.

Explanation. Jeppesen A&P Airframe Textbook Fig.2-47.

, Question Number. 13. A 250 volt megger should not be used.

Option A. on electronic equipment.

Option B. in fuel tanks.

Option C. on radio aerials. - ANSWER Correct Answer is. on electronic equipment.

Explanation. Leaflet 9-1 4.4.4.



Question Number. 14. If the leads of a megger are held apart.

Option A. the spring will return the needle to infinity.

Option B. the spring will return the needle to the zero stop.

Option C. if the handle was turned the meter would read infinity. - ANSWER Correct
Answer is. if the handle was turned the meter would read infinity.

Explanation. A megger has no spring.



Question Number. 15. One megohm is equal to.

Option A. 1,000 ohms.

Option B. 1,000,000 ohms.

Option C. 100,000 ohms. - ANSWER Correct Answer is. 1,000,000 ohms.

Explanation. NIL.



Question Number. 16. Reamers are used to.

Option A. drill accurate holes.

Option B. to make holes oversize.

Option C. enlarge holes to accurate dimensions. - ANSWER Correct Answer is. enlarge
holes to accurate dimensions.

Explanation. Jeppesen A&P General Textbook 9-19.



Question Number. 17. The pitch of a hacksaw blade is.

Option A. its length.