Title DGCA MODULE 06 B1 (01 OF 2021) QUESTION SET.pdf ✅

DGCA MODULE 06 B1 (01 OF 2021) QUESTION SET www.amequestionpaper.in 1) Which has high electrical & heat conductivity, meallable and ductile - a) Copper (EASA 11.2) b) Nickel c) Magnesium d) Aluminum 2) Advantage of threaded fastener- a) Fastening device allow quick dismantling or replacement of aircraft parts that must be taken part and put back together at frequent intervals b) Riveting and welding these parts at each time they are serviced would soon weaken and ruin the joints c) Both A and B (EASA 5.3) d) B + some joints require greater tensile strength and stiffness that rivets cannot provide 3) Brinell tester- a) Pressure of 3000kg is used fornon-ferrous b) Pressure maintained for 30s for nonferrous metals (EASA 1.9) c) Measure the diameter of indention, brinell hardness number for metal 4) Taper roller bearing raceways- a) Square inside and outer round b) Spherical c) Cone- shaped ( EASA 8.3) 5) Elimination of------ stops electrochemical corrosion- a) Anode, cathode, electrode (EASA 4.2) b) Anode and cathode only c) Electrolyte only 6) Single raised dash on bolt- a) CRS bolt (EASA.5.4) b) Al alloy c) Close tolerance bolt 7) Turnbuckle a) Easy removal b) Minor adjustments inlength c) Locking 8) Light drive fit- a) Gen. purpose bolt (EASA 5.4) b) Close tolerance bolt
DGCA MODULE 06 B1 (01 OF 2021) QUESTION SET www.amequestionpaper.in c) Internal wrenching bolt 9) Nickel increases hardness, tensile strength w/o decreasing - a) Ductility a) Brittle 10) Which is used for balls and rollers of antifriction bearings -? a) Chrome vanadium b) Chromium steel c) Chrome molybdenum 11) Brinell tester- a) Diameter of impression b) Resistance to penetration. 12) Rockwell tester- a) Resistance of impression (EASA 1.9) b) Dial number in outer circle is red, innernumbers are black c) Diameter of impression 13) Clad aluminum hardness - a) be directly measured (EASA 1.21) b) Cannot tested directly with any accuracy c) Can be measured with special procedure 14) Fatigue limit of steels - a) 0.5* UTS b) 0.3* UTS c) 0.9* UTS 15) MTCS Mg- a) Corrosion iseasiest to detect inearly stages b) Mg corrosion products occupies the less times the volume of original Mg metal destroyed c) Both A and B 16) Aluminum fitting colour- a) Brown b) Black c) blue (EASA 6.3) 17) Fluid lines are marked with- a) colour + geometric symbols (EASA 6.10) b) A + lines c) B + symbols
DGCA MODULE 06 B1 (01 OF 2021) QUESTION SET www.amequestionpaper.in 18) ln bearing, radial internal clearance- a) Group 2 has larger internal radial clearance b) Precision bearing used for general applications (CAIP 1-6/14) c) Group 4, has smaller internal radial clearance 19) Application of self-lock nuts- a) Attachment of antifriction bearings and control pulleys b) (A) + attachment of accessories, anchor nuts around inspection holes and small tank installation openings c) (B) + attachment of rocker box covers arid stacks (EASA 5.10 ) d) (C) + joints which subjects either the nut or bolt torotation 20) Which is used for aircraft repair works-? a) Resin glue b) ceasin glue (titterton3.79) c) Synthetic glue 21) Thickness of coating in conducting & non-conducting bases measured by- a) Eddy current (CAIP 1 bV4-3) b) Radiography c) Ultrasonic d) None of above 22) 6xxx - b) Magnesium & silicon 23) Difference between AN/AC fitting a) AN has shoulder but AC doesn't b) AN has no shoulder but AC fitting has shoulder c) Both fitting have no shoulder d) Both A and B 24) Material can’t be hardened by heat treatment- a) Nickel b) Beryllium c) Muntz metal d) Monel (EASA 2.10) 25) Which is used with phosphate ester hydraulic fluid-? a) Buna N b) Buna-S c) Butyl (EASA 6.9)
DGCA MODULE 06 B1 (01 OF 2021) QUESTION SET www.amequestionpaper.in 26) Which rivet is used to take excessive sheet - a) 350 b) 1000 c) 550 27) Fairleads- a) It completely encircles the side cable where it passes through holes in bulkhead b) never deflect alignment of cable more than 3mm from straight line 28) L-shaped fabric sewed from- a) Apex to bottom (lalit gupta) b) Bottom to apex c) From both side or lacing d) Either side 29) Which has excellent resistance to petroleum products? a) BUNA-N (EASA 6.8) b) BUNA-S c) Neoprene 30) Which nut is used in assembly frequently removed- a) Wing nut (EASA 5.9) b) Plain hex nut c) Plain check nut 31) MTCS a) Castellated shear nut AN320, shearing load only ( EASA 5.9) b) As deep as castel nut c) Castellation as deep as shear nut d) All of above 32) Fillers- a) Block air from reaching the fabric b) Block water from reaching the fabric c) Block UV light entering to fabric (EASA3.105) 33) Higher tensile strength- a) Nextal 480 b) N extal 440 c) Nextal 2-11 d) Astro quart-Il