3. Tools

Question 1

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

Option A. 60.

Option B. 30.

Option C. 55.

Answer 1

Correct Answer is.

55.

Question 2

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

Option A. Diamond tipped.

Option B. Carborundum.

Option C. Tungsten carbide.

Answer 2

Correct Answer is.

Tungsten carbide.

Explanation. Airbus A340-600 SRM.

Question 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 3

Correct Answer is.

mill the rivet head after forming. Explanation.

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

Question 4

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

Option A. 64.

Option B. 16.

Option C. 32.

Answer 4

Correct Answer is. 32. Explanation.
.
Jeppesen A&P Technician General Textbook Page 13.

Question 5

What is the normal cutting angle of a drill?.

Option A. 59°.

Option B. 130°.

Option C. 12°.

Answer 5

Correct Answer is.

59°.

Explanation. Jeppesen A&P Technician General Textbook Page

Question 5

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 5

Correct Answer is.

shunt.

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

Question 6

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 6

Correct Answer is.

add the nib measurements.

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

Question 7

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 7

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 8

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 8

Correct Answer is.

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

Explanation. NIL.

Question 9

The abbreviation ‘A/F’ means.

Option A. American Fine.

Option B. Across Flats.

Option C. Associated Fine.

Answer 9

Correct Answer is.

Across Flats.

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

Question 10

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 10

Correct Answer is.

mill the head flush.

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

Question 11

A drill and wire gauge has holes numbered.

Option A. 10 to 60.

Option B. 1 to 80.

Option C. 1 to 50.

Answer 11

Correct Answer is.

1 to 80.

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

Question 12

A 250 volt megger should not be used.

Option A. on electronic equipment.

Option B. in fuel tanks.

Option C. on radio aerials.

Answer 12

Correct Answer is.

on electronic equipment.

Explanation. Leaflet 9-1 4.4.4.

Question 13

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 13

Correct Answer is.

if the handle was turned the meter would read infinity.

Explanation. A megger has no spring.

Question 14

One megohm is equal to.

Option A. 1,000 ohms.

Option B. 1,000,000 ohms.

Option C. 100,000 ohms.

Answer 14

Correct Answer is.

1,000,000 ohms.

Question 15

Reamers are used to.

Option A. drill accurate holes.

Option B. to make holes oversize.

Option C. enlarge holes to accurate dimensions.

Answer 15

Correct Answer is.

enlarge holes to accurate dimensions.

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

Question 16

The pitch of a hacksaw blade is.

Option A. its length.

Option B. the number of teeth on the blade.

Option C. the number of teeth per inch.

Answer 16

Correct Answer is.

the number of teeth per inch.

Explanation. NIL.

Question 17

The web angle of a normal twist drill is.

Option A. 59°.

Option B. 12°.

Option C. 130°.

Answer 17

Correct Answer is.

130°.

Explanation. Jeppesen A&P Airframe Textbook 2-27.

Question 18

The leads of a bonding tester.

Option A. are interchangeable, one 60 foot long having two prongs and a 6 foot one with a single prong.

Option B. have critical lengths and the resistance of the leads is accounted for.

Option C. are supplied in 60 foot and 6 foot lengths but can be varied due to wear.

Answer 18

Correct Answer is.

have critical lengths and the resistance of the leads is accounted for.

Explanation. CAIP S EEL/1-6 Para 3-11-2 & CAAIP S Leaflet 9.1 3.10.2(b).

Question 19

Expanding reamers are used to.

Option A. ream holes of different diameters by adjusting the position of the blades.

Option B. ream tapered holes.

Option C. ream holes in metal that has been heated.

Answer 19

Correct Answer is.

ream holes of different diameters by adjusting the position of the blades.

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

Question 20

The main scale on a 24/25 vernier caliper is divided into.

Option A. inches, tenths and twentieths.

Option B. inches, tenths and fortieths.

Option C. inches, tenths and thousandths.

Answer 20

Correct Answer is.

inches, tenths and fortieths.

Explanation. CAIP S BL/3-4 2.

Question 21

The vernier height gauge uses the same principle as the.

Option A. vernier caliper.

Option B. bevel protractor.

Option C. micrometer.

Answer 21

Correct Answer is.

vernier caliper.

Explanation. CAIP S BL/3-4 4.

Question 22

One revolution of the thimble of the English micrometer produces a linear movement of the spindle of.

Option A. 0.001 inch.

Option B. 0.025 inch.

Option C. 0.040 inch.

Answer 22

Correct Answer is.

0.025 inch.

Explanation. CAIP S BL/3-5.

Question 23

The pitch of a metric micrometer screw thread is.

Option A. 0.02 mm.

Option B. 1.0 mm.

Option C. 0.5 mm.

Answer 23

Correct Answer is.

0.5 mm.

Explanation. NIL.

Question 24

When torque loading, a wrench should be selected where the required value falls. Option A. at the top end of the range. Option B. in the middle of the range. Option C. at the bottom end of the range.

Answer 24

Correct Answer is. at the top end of the range. Explanation. CAIP S BL/6-30 4.5.1.

Question 25

The test equipment normally used to carry out a continuity test on an electrical cable is. Option A. a high tension circuit tester. Option B. an ammeter. Option C. a low reading ohmmeter.

Answer 25

Correct Answer is. a low reading ohmmeter. Explanation. CAIP EEL/1-6 4.2.1 & CAAIP S Leaflet 9-1 4.2.1.

Question 26

If all three prongs on a bonding tester were shorted together, the metre would read. Option A. FSD. Option B. zero. Option C. off-scale high.

Answer 26

Correct Answer is. zero. Explanation. CAIP EEL/1-6 3.10.2b.

Question 26

The pitch of the screw thread on an English micrometer is. Option A. 0.0001 inches. Option B. 0.050 inches. Option C. 0.025 inches. Correct

Answer 26

Answer is. 0.025 inches. Explanation. Jeppesen A&P General Textbook 9-36.

Question 27

The vernier scale on an English caliper is divided into. Option A. 50 equal divisions. Option B. 40 equal divisions. Option C. 25 equal divisions.

Answer 27

Correct Answer is. 25 equal divisions. Explanation. Jeppesen A&P General Textbook 9-36.

Question 28

The thimble of a metric micrometer is divided into. Option A. 50 equal divisions. Option B. 40 equal divisions. Option C. 25 equal divisions.

Answer 28

Correct Answer is. 50 equal divisions.

Question 29

The measuring capacity of a Vernier Caliper is. Option A. the length of the graduated scale less the length of the vernier scale. Option B. the length of the graduated scale. Option C. the length of the graduated scale plus the width of the nibs.

Answer 29

Correct Answer is. the length of the graduated scale less the length of the vernier scale.

Question 30

Vee-blocks are manufactured. Option A. as single items and may be paired with any other vee-block. Option B. in sets of two and identified for use as a set. Option C. in sets of three and identified for use as a set.

Answer 30

Correct Answer is. in sets of two and identified for use as a set.

Question 31

The metric micrometer reading shown is. Option A. 13.87 mm. Option B. 13.37 mm. Option C. 10.337 mm.

Answer 31

Correct Answer is. 13.37 mm.

Question 32

A ketts saw is used because. Option A. it can cut thicker metal than is required by most repair schemes. Option B. it is available both pneumatic and electric. Option C. its low torque allows single handed use.

Answer 32

Correct Answer is. it can cut thicker metal than is required by most repair schemes. Explanation. Jeppesen A&P Airframe Textbook. It describes it as electrical, with the advantage of being able to cut sheet to 3/16 inch thick. Care to be taken to prevent blade from 'grabbing and kicking back'.

Question 33

The gears used in a pistol windy are. Option A. gears in a gearbox. Option B. gyrator type gears. Option C. spur gears.

Answer 33

Correct Answer is. spur gears. Explanation. Sun and planet gear reduction, using spur gears.

Question 34

Cross cut files. Option A. cut on the backward stroke only. Option B. cut in both directions. Option C. cut on the forward stroke only.

Answer 34

Correct Answer is. cut on the forward stroke only.

Question 35

The correct size spanner for use on a unified 5/16 in. threaded hexagon headed bolt is. Option A. 5/16 in A/F. Option B. 1/2 in A/F. Option C. 1/4 in A/F.

Answer 35

Correct Answer is. 1/2 in A/F.

Question 36

The length of the Vernier Scale in a 24/25 Vernier Caliper is. Option A. 0.6 in. Option B. 1.2 in. Option C. 2.45 in.

Answer 36

Correct Answer is. 0.6 in.

Question 37

What is used to measure the depth of a blend after a corrosion repair?. Option A. Dial Test Indicator. Option B. Straight edge and slip gauges. Option C. Vernier caliper.

Answer 37

Correct Answer is. Dial Test Indicator. Explanation. AL/7-14 Page 12. BL/4-20 Page 9.

Question 38

Vacu-blast beads re-used on a steel component, after being used on an aluminium component will. Option A. cause clogging of the vacu-blast machine. Option B. be ineffective in abrasion. Option C. cause corrosion to the steel component.

Answer 38

Correct Answer is. cause corrosion to the steel component.

Question 39

The main scale on a 49/50 Vernier caliper is divided into. Option A. inches, tenths and thousandths. Option B. inches, tenths and twentieths. Option C. inches, tenths and fortieths.

Answer 39

Correct Answer is. inches, tenths and twentieths

Question 40

Centre punches are made of. Option A. high carbon steel with the tip hardened and tempered. Option B. case hardened mild steel. Option C. high carbon steel hardened and tempered.

Answer 40

Correct Answer is. high carbon steel hardened and tempered. Explanation. The whole centre punch is hardened and tempered.

Question 41

What type of flutes should be used in a reamer for cutting titanium?. Option A. Spiral flutes. Option B. Straight flutes. Option C. Tapered flutes.

Answer 41

Correct Answer is. Spiral flutes. Explanation. BL/6-18 7.1.

Question 42

The depth micrometer reading shown is. Option A. 0.261 ins. Option B. 0.361 ins. Option C. 0.336 ins.

Answer 42

Correct Answer is. 0.261 ins.

Question 42

What should be the included angle of a twist drill for soft metals?. Option A. 118 degrees. Option B. 65 degrees. Option C. 90 degrees.

Answer 42

Correct Answer is. 90 degrees. Explanation. Jeppesen A&P Airframe Technician Textbook Page 2-27.

Question 43

What should the point angle of a drill be if it is to be used for drilling titanium (drill size below 1/4 inch diameter)? Option A. 90° to 105°. Option B. 105 to 120°. Option C. 90°.

Answer 43

Correct Answer is. 105 to 120°. Explanation. BL/6-18 6.

Question 44

How are pin punches classified?. Option A. By length and diameter of the small end. Option B. By overall length and type. Option C. By type and diameter of the small end.

Answer 44

Correct Answer is. By type and diameter of the small end. Explanation. How are spring dividers classified?.

Question 45

The length of the legs. Option A. The length of the legs. Option B. The diameter of a circle scribed with the legs at 600. Option C. The diameter of the largest circle that can be scribed.

Answer 45

Correct Answer is. The length of the legs.

Question 46

The purpose of a taper tap is to. Option A. produce a fine thread. Option B. start a thread. Option C. form a tapered thread.

Answer 46

Correct Answer is. start a thread.