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1) For large passenger aircraft, floor should be supported by braces at lower part of the fuselage. a. True b. False
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2) Location of landing gear should be such that _____________ a. they wouldn’t rip open fuel tanks at the time of crash b. they would rip open fuel tanks c. they must rip open fuel tank during crash d. with less crashworthiness
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3) Which of the following is correct? a. We should avoid placing heavy items behind or above people b. Lift is always same as weight c. Drag is always same as thrust d. Heavy items can be placed as we want
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4) Which of the following is incorrect? a. Designer should not worry about crashworthiness b. Designer should worry about crashworthiness c. Careful and adequate design can improve crashworthiness d. Redundant system can be used during failure
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5) Aircraft production cost is related to _____________ a. weight, size, material, etc b. weight only c. size only d. material only
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6) Aircraft production cost can be reduced by using _____________ a. flat wrap surfaces b. non-flat surface c. more forging processes d. welding only on non-flat surfaces
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7) _____________ are one of the most expensive type of structure in general. a. Forging b. Lifting only c. Non-lifting only d. Only high speed bodies
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8) To simplify routing requirements we can provide _____________ a. routing tunnels b. structural break c. reducing lift at cruise d. increasing cruise weight
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9) Careful placement of the internal components can reduce routing cost. a. True b. False
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10) To reduce production cost there should be _____________ a. commonality of parts b. more forging c. increment in forge and labour requirements d. decrease commonality of parts
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11) Which of the following is correct? a. If possible, designer should omit unnecessary part to reduce cost b. Lift is always same as weight of the aircraft c. Producibility concern should not be used at all d. Only forging process will affect cost
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12) Tight internal packaging will ease the process of routing. a. True b. False
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13) What is Maintainability? a. The ease with which the aircraft can be fixed b. The ease with which the aircraft can sustain damage c. Vulnerability d. RCS detection
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14) R&M are measured in? a. Maintenance man-hours per flight hour b. Vulnerable area c. RCS of system d. Maintenance and research
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15) What is the Major Key parameter of maintainability? a. Accessibility b. Survival c. RCS d. Vulnerability
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16) Which of the following is correct? a. Large doors should be provided for the avionics system b. Avionics systems should be not accessible at all c. Accessible parts cannot be considered maintainability d. Lift is always same as weight during ground maintenance
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17) Best access should be given to components which require often maintenance. a. True b. False
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18) Engine access doors should be such that? a. They allow most of the engine to be exposed for maintenance b. Only tiny part of engine is exposed during maintenance c. They don’t allow maintenance at all d. No provision is made for them; we need to dissemble the whole engine
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19) Which of the following can be considered as the worst feature of an aircraft in terms of maintainability? a. Requirements of removing number of major structural elements b. Easily reachable parts c. Easily accessible parts d. More accessibility is provided for components
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20) What is the goal of preventive maintenance? a. To reduce breakdowns of critical equipment b. To increase breakdowns of critical equipment c. Increase equipment failure d. Not to provide maintenance at a given period of time
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21) What is corrective maintenance? a. Maintenance of equipment after failure or break down b. Maintenance before break down c. Pre break down maintenance d. Scheduled maintenance
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22) What is preventive maintenance? a. Maintenance done before breakdown of component b. Unscheduled maintenance c. Same as corrective maintenance d. Not a valid type of maintenance
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23) Crew station design is affected by? a. Vision requirements b. Lift only c. Weight effects only d. Drag required only
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24) Which of the following is correct? a. Vision requirements will be used to determine location of cockpit b. Crew station design is based on lift only c. Cockpit design is not affected by visual requirements d. Weight will be always same as lift
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25) Why some slope is provided at the nose of an aircraft? a. To provide unobstructed runway vision b. To provide obstruction to vision c. Only to increase lift d. Only to reduce weight
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26) Which of the following is incorrect? a. Lofting is mathematical model for skin b. Cockpit is always located directly above the wing c. Conceptual design is first phase of the design process d. Cockpit design is affected by visual requirements of pilot
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27) Over- side vision requirements prevent locating the cockpit directly above wings. a. True b. False
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28) Which range of pilot size are used to design a typical military aircraft? a. Size from 0th to 2nd percentile b. Size of 3rd percentile always c. Size from 5th to 95th percentile for male pilots d. Size doesn’t concern of design
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29) Determine approximate value of approach angle if, overnose angle is 20° and approach speed is 100knots. a. 13° b. 5° c. 2° d. 3°
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30) Seat reference point is the point where? a. Seat pan meets the back b. Pilot head is located c. Lift is concentrated d. Weight is carried out in cockpit
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31) Overnose angle is defined based on? a. Seat reference point b. Seat length c. CG of aircraft d. Pilot’s eye point
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32) Higher seat back angle (>60°) will result in __________ a. improvement to withstand high- g loads b. drag increment c. outside vision improvement d. maximum drag
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33) Overnose vision angle will be same for all aircrafts. a. True b. False
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34) Which of the following is correct? a. Overnose angle = (approach angle)2 + 7*approach speed (in knots) b. Overnose angle = approach angle + 0.07*approach speed (in knots) c. Overnose angle = (approach angle)2 d. Approach angle = (Overnose angle)2
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35) A typical a/c has approach speed of 100 knots. If approach angle is 10° then, estimate value of overnose angle. a. 25° b. 10° c. 17° d. 40°
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36) What is the grazing angle? a. Same as over nose angle b. Smallest angle between pilot’s line of vision and the cockpit windscreen c. Seat back angle d. Seat reference angle
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37) Passenger cabin is defined by ________ a. pitch, headroom, aisle, etc b. pitch only c. headroom only d. aisle only
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38) Pitch is defined as ___________ a. Height of seat b. Height of seat minus height of next respective seat c. Length of one seat plus height of seat d. Distance from the back of one seat to the back of next respective seat
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39) What is the headroom? a. Height of seat b. Vertical distance from the floor to the roof cover seat c. Height of seat measured height of next respective seat d. Length of one seat plus height of seat
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40) What do you mean by aisle? a. Passage between two rows b. Height of seat from floor c. Height of seat measured height of next respective seat d. Length of one seat plus height of seat of second row
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