Practice Question for Module Exam | Answer key given below1
Question 1/47
________ washer never be used under fasteners to primary or secondary structure
a) Lock
b) Plain
c) Special
d) Shake proof
Question 2/47
————is the trade name of a hollow, blind rivet
a) Anchor nut
b) Rivnut
c) Nutplate
d) Sealing nutplate
Question 3/47
Cotter pin should not extend beyond……….
a) Nut diameter
b) Bolt diameter
c) Both
d) None
Question 4/47
A pig tail of ………………. Inch should be made at end of the safety wiring.
a) 1/4 to ¾
b) ¼ to ½
c) ¾ to 3/8
d) None
Question 5/47
The snap rings are made of two types.
a) Internal & external
b) Large & small
c) Metal & non-metal
d) All
Question 6/47
Coloured lacquer or a distinctive type of head marking used to identify…
a) bolts inspected by Magnaflux
b) bolts inspected by fluorescent die penetrant.
c) Both (a) and (b) are correct.
d) None is correct
Question 7/47
Aluminum alloy bolts smaller than ………… diameter not used in primary structure.
a) 1/8 inch.
b) ¼ Iinch.
c) 1/16 inch
d) None
Question 8/47
Elastic stop nut should not be used where the temperature is higher than….
a) 150 deg. F
b) 250 deg. F
c) 450 deg. F
d) 650 deg. F
Question 9/47
A left-hand thread tightens when turned
a) Counterclockwise
b) Clockwise
c) Both
d) None
Question 10/47
A dash in place of a letter in part no. of a nut indicates….
a) Stainless steel.
b) Cadmium-plated carbon steel
c) Nickel steel
d) Magnesium steel
Question 11/47
Plain head rivets made of three different materials, but can be distinguished by…
a) Material colour
b) Shank length
c) Head diameter
d) None
Question 12/47
Letters in the part no. of rivet indicates
a) Alloy content
b) Head style
c) Shank length
d) All
Question 13/47
In rivet part no. AN470AD3-5, what does 3 indicates
a) 3/8” shank dia.
b) 3/32” shank dia.
c) 3/16” shank length
d) 3/32” shank length
Question 14/47
Smaller bearings used to support various shafts are called –
a) Plain bearing
b) Bushing
c) Both
d) None
Question 15/47
Roller bearings generally made of two types –
a) Straight & conical
b) Straight & trapered
c) Tapered & oval
d) All
Question 16/47
The gear with the input force is called…….
a) Driven gear
b) Worm gear
c) Drive gear
d) All
Question 17/47
………… gear is used to change the plane of rotation
a) Worm gear
b) Bevel gear
c) Planetary gear
d) All
Question 18/47
If a pinion gear has 12 teeth spur gear has 28 teeth, the gear ratio is
a) 28:12
b) 3:7
c) 12:28
d) None
Question 19/47
If the driven gear & the driving gear need to rotate in the same direction, we should use
a) Spur gear
b) Idler gear
c) Pinion gear
d) All
Question 20/47
A shaft which support an idler gear or intermediate gear is called
a) Gear shaft
b) Lay shaft
c) Axial shaft
d) None
Question 21/47
Teflon has a broad operating temperature…..
a) -65 deg. F to 100 deg. F
b) -65 deg. F to 450 deg.F
c) -100 deg. F to 450 deg. F
d) None
Question 22/47
Maximum slack allowed in a wire bundle is—
a) 1”
b) ½”
c) 1/3”
d) ¼”
Question 23/47
Number of twist per foot for a no. 20 wire with 2 wires should be ……….
a) 10
b) 9
c) 8
d) 7
Question 24/47
Splice should not be used with in ……. inches of a termination device.
a) 6”
b) 10”
c) 12”
d) 15”
Question 25/47
The minimum radius of bend in wire bundle must not be ………..
a) Less than 10 times the OD of largest wire
b) Less than 20 times the OD of smallest wire
c) Both
d) None
Question 26/47
Support clamps for wire bundle should be spaced at interval not more than …………
a) 12”
b) 24”
c) 18”
Question 27/47
The term ‘Cold Flow’ is generally associated with :
a) Hydraulic Lock.
b) Vaporizing Fuel.
c) Rubber Hose.
d) Welding of Metal.
Question 28/47
Aluminum alloy tubes are for ……… to ……… pressure systems.
a) 500 psi to 1000 psi
b) 1000 psi to 1500 psi
c) 1000 psi to 1200 psi
d) 1200 psi to 1500 psi
Question 29/47
……….. tubing are used where there is a risk of FOD.
a) Aluminum alloy
b) Copper alloy
c) Steel
d) None
Question 30/47
Do not use …….. tubing or fitting with oxygen system.
a) Copper
b) Titanium
c) Steel
d) Aluminum
Question 31/47
On large aluminum alloy tubing, the alloy designation is ……..
a) Colour coading is done.
b) Stamped on surface
c) Designation plate installed
d) None
Question 32/47
………….. rivets are used for riveting nickel steel alloy
a) Copper
b) Mild steel
c) Aluminum
d) Monel
Question 33/47
A yellow rivet is having a protective coating of ……..
a) Zinc chromate
b) Anodized
c) Metal sprayed
d) None
Question 34/47
As a general rule, the shank of a rivet should extend ……… inch beyond the material thickness.
a) 3/64” to 1/8”
b) 5/64” to 1/8”
c) 3/64” to 3/8”
d) None
Question 35/47
Pin rivets are classified as
a) Special rivets
b) Hi-shear rivets
c) Blind rivets
d) Both (a) & (b) are correct.
Question 36/47
The shank of a solid rivet upset by hand or pneumatic tool to make a head, the head is called
a) Manufacturer head
b) Shop head
c) Handmade head
d) All
Question 37/47
A modified brazier head rivet is
a) Reduced shank length.
b) Reduced head diameter
c) Increased head diameter
d) Increased shank diameter
Question 38/47
This cable is extra flexible and used for primary controls.
a) 7×19 cable
b) 7×7 cable
c) Both
d) None
Question 39/47
In a 7×19 cable, cable is made of
a) 19 strands of 7 wire each.
b) 7 strands of 19 wire each
c) Both
d) None
Question 40/47
Aircraft control cables are ranging from 1/16 inch to………
a) 5/8 inch
b) 7/8 inch
c) 3/8 inch
d) 3/16 inch
Question 41/47
Pulleys are used with control cables to ……
a) Guide cables
b) Change directions
c) Give strength
d) Both (a) & (b) are correct
Question 42/47
Fairleads should never deflect more than ……..
a) 10 deg.
b) 5 deg.
c) 3 deg.
d) 2 deg.
Question 43/47
If the tension on the cable is excessive, it can be found from……
a) Cable condition
b) Pulley condition
c) Both
d) None
Question 44/47
A …………. Cable is a type of flexible cable with inner steel cable free to slide inside of an outer cable
housing.
Bowden
Teleflex
Control
Question 45/47
V belts are better than flat belts because…..
A. Reduce the problem of slippage
B. Increase the area of contact
C. Both are correct
D. None
Question 46/47
These belts are working on the principle of engagement in a belt and pulley system
A. V belts
B. Flat belts
C. Toothed belts
D. All
Question 47/47
Chain links or attachments should never be ……
A. Drilled
B. Re-riveted
C. Both are correct
D. None
ANSWER KEY
| 1 – A | 2 – B | 3 – B | 4 – B | 5 – A | 6 – C | 7 – B | 8 – B |
| 9 – A | 10 – B | 11 – A | 12 – A | 13 – B | 14 – B | 15 – B | 16 – C |
| 17 – B | 18 – B | 19 – B | 20 – B | 21 – B | 22 – B | 23 – A | 24 – C |
| 25 – A | 26 – B | 27 – C | 28 – B | 29 – C | 30 – B | 31 – B | 32 – D |
| 33 – A | 34 – A | 35 – D | 36 – B | 37 – B | 38 – A | 39 – B | 40 – C |
| 41 – D | 42 – C | 43 – B | 44 – B | 45 – C | 46 – C | 47 – C |