WorksheetsQUIZ 1 - M7
Total questions: 40
Worksheet time: 20mins
Persons directly involved with aircraft using propellers and rotors should develop the following safety habits
Always stand clear of rotor and propeller blade paths
Attach pull ropes to pull chocks from wheels
Treat all propellers as though the ignition switches are off
While working in the hangar and workshop, there is a symbol of white on a blue background. The symbol is for
A. mandatory signs.
warning signs.
safety demands.
Extinguishers suitable for use on wood, paper, and cloth fires should be identified by a
triangle containing the letter A.
square containing the letter B.
circle containing the letter C.
Dermatitis is a common skin condition caused by the skin reaction to allergens or irritants. What can possibly cause dermatitis?
Washing hands in solvents.
Not wearing eye protection when using solvents
Inhalation of paint fumes.
During the drilling process, the selection of different speeds for different kinds of materials is to
prevent the damage of the drill and component
prevent the injury happen
prevent the damage to the machine drill
The reason for the drill process different selection of speed for a different selection of materials is to prevent
the damage to the drill
the damage to the component
hardening and the damage of the drill and component
The color of the equipment ground wire most common is
red
black
green
What action must be carried out if a tool is unserviceable to its calibrated requirements?
A certified mechanic should adjust it to restore it to the correct calibration.
It should be removed from service, marked as unserviceable, and sent away for overhaul.
It should be removed from service and kept in store until the next calibration is due.
The difference between the maximum and minimum sizes is called
precision
allowance
tolerance
How are files classified?
By length, grade, and material
By length, grade, cut, and section
By length, grade, cut, section and material.
When using a bench grinding machine, the wheel will rotate
either direction
from the bottom towards the workpiece.
from the top down towards the workpiece.
Which is correct concerning the use of a file?
The term ‘double cut ’ and ‘second cut’ have the same meaning in reference to files
A smoother finish can be obtained by using a double cut file than using a single cut file
Apply pressure on the forward stroke only, except when filling very soft metals such as lead or aluminum
In a torque wrench of handle length, L = 12 in. and an extension E = 3 in, the desired torque value is 300 lbs. in. the dial should read
240 lb.ins.
375 lb.ins.
280 lb.ins.
When using a moving coil as an ammeter the greatest amount of current flows through the.
bushes
coil
shunt
To carry out an insulation test on a wire rated at 115 volts you would use
115 volt megger
250 volt megger
500 volt megger
The ratchet device on the thimble of an external micrometer is used to
prevent wear on the anvil
prevent movement of the thimble
prevent over tightening of the thimble
A power meter indicates that a circuit has a power of 4 kW. Separate readings of the voltage and current are 400 V and 20 A respectively. The Power factor
1/2
2
20
A common drill used in aircraft sheet metal fabrication and repair is?
120
125
135
Circuit tests on aircraft should be carried out in the following order
continuity, bonding, functional, insulation
bonding, continuity, insulation, functional
functional, bonding, continuity, insulation
Electronic test equipment for fuel tank contents systems usually incorporate variable
capacitors.
inductors.
resistors.
You have reamed out a hole in a piece of titanium. How should you remove the reamer safely to prevent unnecessary damage
Anti-clockwise.
Remove it, but in the same rotation as if cutting.
Allow the reamer to pass right through the hole
If the leads of a megger are held apart
the spring will return the needle to infinity
the spring will return the needle to the zero stop.
the handle is turned the meter would read infinity.
A hydraulic system schematic drawing indicates
the specific location of the individual components within the aircraft
the direction of fluid flow through the system
the type and quantity of the hydraulic fluid.
If a design amendment is made on a drawing,
no change in issue number or date is necessary
the old issue number is retained, with the amendment date added
a new issue number and date must be allocated to the drawing
Which of the following shafts can be used to obtain a clearance fit in a bush 0.750-inch diameter?
0.752 inch
0.748 inch
750 inch
When reading a blueprint, a dimension is given as 4.387 inches + 0.005-0.002. Which statement is not true
The maximum acceptable size is 4.393 inches
The minimum acceptable size is 4.385 inches
The maximum acceptable size is 4.385 inches
Copper wires are used in electrical systems because they
have high permeability.
do not give off a magnetic field
have a low resistance to current
Co-axial cable is preferred to airframe cable in the application whereby
the diameter of the cable is not important
high-frequency interference
low-frequency interference
After completing the crimping operation using a hydraulic crimping tool, the crimp is formed when the
bypass valve opens and the ram returns to neutral
foot pedal force is at maximum
bypass valve closes and the ram returns to neutral
The front release pins are removed when
the tool is inserted from the front and the pin is removed from the front
the tool is inserted from the rear and the pin Is removed from the front
the tool is inserted from the front and the pin is removed from the rear
The size of proper conduit for electrical wires must be
100% larger than the average diameter of wires.
75% larger than the maximum diameter of wires
25% larger than the maximum diameter of wires
Forward release electrical connectors are removed by the wire being
pulled backward.
pushed forwards
twisted to the right.
The 5056 aluminum alloy is identified by looking for ____________ on their heads
a raised cross (+)
an asterisk (*)
an ‘AN’ marking
When riveting, a certain clearance must exist between the rivet and the hole in which fitted, to allow for shank expansion. If the clearance is too large, the result will show that
indentation by rivet head on the material
the sheet may tend to buckle
separation of the sheet may occur
The most important factor to be considered when joining two sheet metals by riveting is
the shear strength must be greater than the bearing strength
the bearing strength must be greater than the shear strength
both shear and bearing strength must be equal
If the thickness of a single sheet of material, about to be joined by riveting, was 1/16 of an inch thick, what would be the approximate diameter of the rivets to be used
1/16 inch.
3/16 inch.
1/8 inch.
Bonding connections between flexible and rigid pipes are achieved by
tie wrapping the bonding lead to the pipes
using a corrugated strip
tucking the bonding leads between the flexible and rigid pipe
When checking a hose after installation it should be checked for freedom of movement by flexing
through the normal operating range plus 15°
through the normal operating range only
+/-15° either side of the neutral position
The material used for springs is
high carbon or alloy steel with low working stresses
low carbon steel or alloy steel with high working stresses
low carbon steel or alloy steel with low working stresses
A spring should be inspected for correct
width, length, and strength.
width, strength, and squareness
length, strength, and squareness
