M7 Part 2
M7 part 2
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- 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
Correct Answer
A. Fresh grease comes out from the other end -
- 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
Correct Answer
B. Total torque=friction drag torque + desired torque -
- 3.
Which of the following types of fit has the biggest positive allowance?
- A.
Clearance fit
- B.
Interference fit
- C.
Transition fit
Correct Answer
A. Clearance fit -
- 4.
Grease and oil must be kept away from:
- A.
Nitrogen cylinder
- B.
Oxygen cylinder
- C.
Carbon dioxide cylinder
Correct Answer
B. Oxygen cylinder -
- 5.
Aviators’ breathing oxygen cylinders installed on aircraft are color code:
- A.
Green
- B.
Black
- C.
Blue
Correct Answer
A. Green -
- 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.
Correct Answer
B. Cleaned and hung on a rack -
- 7.
The flare angle of an aircraft rigid fluid line is:
- A.
37 degree
- B.
45 degree
- C.
60 degree
Correct Answer
A. 37 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
Correct Answer
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
Correct Answer
B. The rivet hole is too small -
- 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
Correct Answer
B. 1.5 inches to 1.504 inches -
- 11.
Which one of the following fit has the largest interference?
- A.
Running fit
- B.
Drive fit
- C.
Push fit
Correct Answer
B. Drive 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
Correct Answer
B. The bearing is not spun -
- 13.
Sealing in a flare-less fitting is obtained by a:
- A.
Thermal and taper
- B.
Compression sleeve
- C.
Bead
Correct Answer
B. Compression sleeve -
- 14.
Which of the following hydraulic fluid is colored red?
- A.
ML-H-7644
- B.
MIL- H-5606
- C.
Skydrol LD
Correct Answer
B. MIL- H-5606 -
- 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
Correct Answer
A. Uniform surface corrosion -
- 16.
Countersunk is best carried out by using
- A.
An oversize drill
- B.
A stop countersunk tool
- C.
A rose bit
Correct Answer
B. A stop countersunk tool -
- 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
Correct Answer
B. Installed with at least one bend to allow for expansion and contraction -
- 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
Correct Answer
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
Correct Answer
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
Correct Answer
A. Tin content -
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
-
Mar 18, 2022Quiz Edited by
ProProfs Editorial Team -
Sep 30, 2009Quiz Created by
Cyberedward
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