M7 Part 2
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M7 part 2do not share
- 1.Greasing of bearing should be continued until:
- A.
Fresh grease comes out from the other end
- B.
Old grease comes out of the other end
- C.
The pressure gauge shows full reading
- 2.Select the correct statement with regards to torque loading:
- A.
Threads of bolts and nuts must be lubricated
- B.
Total torque=friction drag torque + desired torque
- C.
To align the castle nut at 10% increase in torque is acceptable
- 3.Which of the following types of fit has the biggest positive allowance?
- A.
Clearance fit
- B.
Interference fit
- C.
Transition fit
- 4.Grease and oil must be kept away from:
- A.
Nitrogen cylinder
- B.
Oxygen cylinder
- C.
Carbon dioxide cylinder
- 5.Aviators’ breathing oxygen cylinders installed on aircraft are color code:
- A.
Green
- B.
Black
- C.
Blue
- 6.After a metal working job is completed and a hand file is ready for storage, it should be:
- A.
Lightly oiled and wrapped in a apaer or plastic and put in a drawer
- B.
Cleaned and hung on a rack
- C.
Coated with a waxed-based inhibiting fluid and stored vertically in a thin containing other files.
- 7.The flare angle of an aircraft rigid fluid line is:
- A.
37 degree
- B.
45 degree
- C.
60 degree
- 8.When wires in a wiring loom bundle are spliced, the splices should be:
- A.
All grounded together at one point
- B.
Grouped together in pares along the bundles
- C.
Staggered along the bundle
- 9.During riveting which one of the following factors is most likely to cause buckling of the sheets?
- A.
The rivet hole is too large
- B.
The rivet hole is too small
- C.
Insufficient driving of the rivet
- 10.An aircraft part having a specified dimension of 1.5 inches and a tolerance of +0.004 inches could be manufactured to a size that is in the range.
- A.
1.496 inches to 1.504 inches
- B.
1.5 inches to 1.504 inches
- C.
1.496 inches to 1.5 inches
- 11.Which one of the following fit has the largest interference?
- A.
Running fit
- B.
Drive fit
- C.
Push fit
- 12.When drying an aircraft wheel bearing with compressed air after cleaning, it is important that:
- A.
The bearing is spun in one direction only
- B.
The bearing is not spun
- C.
The bearing is spun in both directions for an equal time
- 13.Sealing in a flare-less fitting is obtained by a:
- A.
Thermal and taper
- B.
Compression sleeve
- C.
Bead
- 14.Which of the following hydraulic fluid is colored red?
- A.
ML-H-7644
- B.
MIL- H-5606
- C.
Skydrol LD
- 15.Dulling of a metal surface that has been exposed to battery fumes, exhaust gases or salt spray would indicate:
- A.
Uniform surface corrosion
- B.
Filiform corrosion
- C.
Galvanic corrosion
- 16.Countersunk is best carried out by using
- A.
An oversize drill
- B.
A stop countersunk tool
- C.
A rose bit
- 17.For installation of rigid hydraulic lines the tube should be:
- A.
Pulled to the fitting using the nut, to ensure a lock proof connection
- B.
Installed with at least one bend to allow for expansion and contraction
- C.
Installed such that it always runs above electrical wire bundles
- 18.When trouble shooting an electrical circuit you would likely to use:
- A.
An ohmmeter in parallel, while the circuit is still powered
- B.
An ammeter in parallel, while the circuit is still powered
- C.
A voltmeter in parallel, while the circuit is still powered
- 19.Teflon hose has permanent set after removal.
- A.
straighten hose before reinstall
- B.
Hose cannot be re-used
- C.
Do not attempt to re-straighten hose
- 20.The significance of 60 in the 60/40 solder is the % of:
- A.
Tin content
- B.
Lead content
- C.
Zinc content
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