Worksheetsmh mcq
Total questions: 31
Worksheet time: 8hrs 31mins
1) In what fractional increments are the diameter and length of a standard bolt measured?
. 1/8 for the length and 1/16 for the diameter.
B. 1/8 for the diameter and 1/16 for the length.
C. 1/8 for the length and 1/32 for the diameter.
2) Excellent electrical and thermal conductivity, primary metal used for electrical wiring. This is refer to
A. Magnesium alloy
B. Copper alloy
C. Alluminium alloy
3) Effectively seal in both directions to prevent both internal and external leakage. This statement is refer to
A. O-Ring
B. V-Ring
C. U-Ring
4) How much slack must be left in a flexible hose during installation?
A. 5% to 8% of total hose length for freedom of movement under pressure.
B. 3% to 6% subjected to twisting
C. 10% to 12% relatively straight installation of the hose.
6) What is the simplest method to detect corrosion?
A. Dye penetrant inspection.
B. Visual inspection.
C. Ultrasonic inspection
12) What is the indication of filiform corrosion?
A. Threadlike or wormlike.
B. Clumps
C. Rivet smokinh
13) The two parts sealant are identified as
A. Base and accelerator
B. Thixotpric agents and resin
C. Acrylic and celluse actete
14) Below are the advantages of titanium alloy EXCEPT;
A. Have excellent corrosion resistant.
B. Suitable working characteriss for use in aircaft structure
C. Very high strength and can withstand high temperature
15) What is FLANK of screw thread?
A. distance between crest to crest
B. The straight edge which joins the crest and roots
C. Distance travelled for one revolution of the screw thread
16) What is laminated wood?
A. Composed of a number of solid woods bonded together with the grains running in the same directions.
B. Thin layers glued together and the grain of each layer crosses others the angle of 45 or 90 degrees.
C. Softwood n Hardwood
21) What is the purpose of the ‘lay line’ drawn on the outside of flexible hose during pipeline installation?
A. The lay line shows if a hose is twisted when it is installed.
B. Lay line indicate that the hose cannot be bent when installed.
C. The lay line show the direction of the hose to be installed.
22) A swaged terminal can be checked for proper swaging using a ________
A. Tension meter gauge
B. Go/No Go gauge
C. Flux gauge
22) A swaged terminal can be checked for proper swaging using a ________
A. Tension meter gauge
B. Go/No Go gauge
C. Flux gauge
27) The most widely used cable 7 x 19 is available in sizes from 1/8 inches up. 7 x 19 indicated that
A. Individual wires wound in 7 strands, each strand having 19 wires
B. Individual wires wound in 19 strands, each strand havinh 7 wires
C. Individual wires wound in 9 strands, each strands having 19 wires
29) To protect from corrosion due to high temperature operation, plain engine nut is painted with
A. Thermosetting resin
B. One part sealant
C. Black rustproof finish
31) Kevlar fiber is yellow in colour and
A. Designed for use in high temperature applications
B. Extremely lightweight,strong and tough
C. Has great impact resistance
32) Metal self-locking nut
A. At any temperature
B. Operating temperature below 250 degrees F
C. Operating temperature above 250 degrees F
33) Which statement below is FALSE regarding spring?
A. Heavier wire , strong spring
B. Small coil, stronger spring
C. Bigger coil, stronger spring
34) Aircraft bolts with double dash marked on the bolt head are:
A. Standard steel bolt
B. Close tolerance bolts
C. Aluminium alloy bolts
35) How to do the corrosion inspection to the aircraft fuel tank?
A. Visual inspection
B. Eddy current inspection
C. X-Ray
36) Check nut:
A. Designed for used on an engine
B. Second nut that is tighten against the primary nut so it cannot turn off
C. Used when it is neccesary to remove a part frequently without the use of tool
41) What is the process to produce aluminum from bauxite?
A. ALCLAD
B. Electrlytic
C. Solution heat treatment
43) Choose the INCORRECT answer.
A. Class 4 is a loose fit
B. Class 5 is a tight fit
C. Class 2 is a free fit
44) The area that has stubborn exhaust stain will be cleaning with
A. 1:2 mixture of emulsion , kerosene and water
B. 1:5 mixture of emulsion and water
C. 1:5 mixture of emulsion , Varsol and water
45) Flexible hose used in aircraft system is classified in size according to the:
A. Outside diameter
B. Wall thickness
C. Inside diameter
51) The used of unapproved or ordinary commercial compounds can lead to
A. Hydrogen embrittlement to the metal
B. Streaking
C. The metal to be rough and corrode
52) What type of load generally applied to Roller bearing?
A. Radial load
B. Thrust load
C. Radial and thrust
118) Below are the purpose of bearing EXCEPT?
A. Reduce friction
B. Enchance speed and efficiency
C. Tension and compress movement
57) The mercury usually comes from the instrument if spill and attack aluminum by a chemical reaction is also known as;
A. Mercurization
B. Aluminazation
C. Amalgamation
58) What is Backlash?
A. Inserted between two or more other gear wheels
B. Typically used in conveyor
C. Clearance between
132) What is the function of leaf spring?
A. It provides dampness and springing function for heavy vehicles
B. Also known as spiral torsion, clock springs or brush springs
C. It is also a form of helical spring
