FCI Mechanical-Engineering |   1757

FCI Mechanical-Engineering

                                          FCI Management Trainee Paper

Mechanical Engineering Questions

1. The commonly used gases in tungsten arc welding are
1.Hydrogen and oxygen 
2.Hydrogen and organ 
3.Hydrogen and helium 
4.Helium and argon 

2. Linde welding uses 
1.Neutral flame and rightward technique 
2.Carburizing flame and rightward technique 
3.Neutral flame and leftward technique 
4.Oxidizing flame and leftward technique 

3. Welding of glass is done by 
1. Ultrasonic welding 
2. Electron beam welding
3. Laser beam welding 
4. Explosive welding 

4.The cold chisels are made by
1. Drawing 
2. Rolling
3. Forging 
4. Piercing 

5.The process extensively used for making bolts and nuts is
1. Hot piercing 
2. Extrusion
3. Cold peening 
4. Cold heading 

6.Structural sections such as rails, angles, I-beams are made by
1. Hot rolling 
2. Hot drawing
3. Hot piercing 
4. Hot extrusion 

7.The mode of deformation of the metal during spinning is
3.Bending and stretching 
4.Rolling and stretching 

8.In die casting, machining allowance is 
1. Small 
2. Large
3. Very large 
4. Not provided 

9.The property of sand due to which the sand grains stick together, is called 
1. Collapsibility 
2. Permeability
3. Cohesiveness 
4. Adhesiveness 

10.A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as
1. Shift 
2. Sand wash
3. Swell 
4. Scab 

11.A material is said to be ductile if the elongation is
1.less than 5% 
2. 5 to 10% 
3.10 to 15% 
4. more than 15% 

12.The property of the material which enables it to be twisted, bent or stretched under a high stress before rupture is known as 
1. Hardness 
2. Toughness
3. resilience 
4. Strength 

13.The shock resistance of steel is increased by adding 
1. Nickel 
2. Chromium 
3. Nickel and chromium 
4. Cobalt and molybdenum 

14.For hardening alloy steels and high speed steels, they are heated to 
1. 500 to 600°C 
2. 700 to 900°C
3. 1100 to 1300°C 
4. 1300 to 1500°C 

15.The heat treatment process used for castings is 
1. Carburizing 
2. Normalizing 
3. Annealing 
4. Tempering 

16.In powder metallurgy the range of pressures to which powdered metals in desired proportions are compressed in moulds is 
1. 10 to 50 bar 
2. 50 to 300 bar
3. 310 to 650 bar 
4. 690 to 13750 bar 

17.The angle between two forces to make their resultant a minimum and a maximum respectively are 
1. 0° and 90° 
2. 180° and 90°
3. 90° and 180° 
4. 180° and 0° 

18.The Poisson's ratio for cast iron varies from 
1. 0.23 to 0.27 
2. 0.25 to 0.33
3. 0.31 to 0.34 
4. 0.34 to 0.42 

19.The point of contraflexure occurs in
1. Simply supported beams 
2. Cantilever beams 
3. Fixed beams 
4. Overhanging beams 

20.A simply supported beam A of length I breadth b and depth d carries a central load W. Another beam of the same dimensions carries a central load equal to 2W. The deflection of beam B will be.......... as that of A. 
1. One fourth 
2. Half
4. Four times 

21.The strain energy stored in a spring, when subjected to maximum load, without suffering permanent distortion, is known as 
1. Impact energy 
2. Proof stress
3.Proof resilience 
4. Modulus of resilience 

22.In a flat belt drive if the slip between the driver and belt is 1%, between the belt and follower is 3% and driver and follower pulley diameters are equal then velocity ratio of the drive will be 
1.0 96 
2. 0.97 
4. 0.99 

23.The transportation technique belongs to one of the following mathematical models in operations research 
1. Allocation model 
2. Sequencing model
3. Queuing model 
4. Inventory model 

24.The tilting of the front wheels away from the vertical, when viewed from the front of the car is called 
1. Camber 
2. Caster 
3. Toe-in 
4. Toe-out 

25.The starter motor is driven by 
1. Chain drive 
2. Gear drive
3. Flat belt drive 
4. V-belt drive 

26.The parking brake generally acts on 
1. Front wheels 
2. Rear wheels 
3. Front and rear wheels 
4. Propeller shaft 

27.The gear shift lever requires two separate motions to shift gears, the first moment 
1.Selects the synchronizer 
2.Moves the synchronizer 
3.Meshes the gears 
4.Operates the clutch 

28.The maximum torque multiplication ratio in a torque converter is about 

29.Two speed reverse gear arrangement is generally provided in case of 
1.Passenger cars 
2. Metadors 
4. Trucks 

30.The component that connects the steering rack to the knuckles is 
2. Sector gear 
4. Spline 

31.The operation of cutting of a flat sheet to the desired shape is called 
2. Piercing 
4. Blanking 

32.A hacksaw blade is specified by its 
1. Length 
2. Material 
3. Width 
4. Number of teeth 

33.The accuracy of micrometers, calipers and dial indicators can be checked by 
1. Feeler gauge 
2. Slip gauge 
3. Ring gauge 
4. Plug gauge 

34.A sine bar is specified by 
1.Centre to centre distance between the rollers 
2.Total length 
3.Diameter of the rollers 
4.Its weight 

35.In a carpentry shop, rebating is the process of making 
1.Convex surfaces 
2.Circular holes 
3.A recess on the edge of work piece 
4.A recess in the middle of work piece 

36.Continuous chips with built up edge are formed during machining of
1. Brittle metals 
2. Ductile metals
3. Hard metals 
4. Soft metals 

37. Tumbler gears in lathe are used to
1.Cut gears 
2.Drill a hole in work piece 
3.Reduce the spindle speed 
4.Give desired direction of movement to the lathe carriage 

38.In which of the following machine, the work is usually rotated while the drill is fed into Work 
1.Radial drilling machine 
2.Sensitive drilling machine 
3.Gang drilling machine 
4.Deep hole drilling machine 

39.In lapping operation, the amount of thickness metal removed is 
1.0.05 to.01 mm 
2.0.01 to 0.1 mm 
3.0.05 to 0.1 mm 
4.0.5 to 1 mm 

40.Internal or external threads of different pitche can be produced by 
1.Pantograph milling machine 
2.Profiling machine 
3.Plano miller 
4.Planetary milling machine