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Manufacturing Technology (50 Multiple Choice Questions with Answers)

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Manufacturing Technology Exam Questions [Just for practice]

This article tests your studies, that how much you have understood the subjects. We post the similar article on thermal engineering and on manufacturing technology if you want to improve your thermal engineering subject you’ve to read that article to.

Click here Thermal Engineering Exam Model Questions (multiple choice questions) 2018.

Click here to Model Question (with multiple choice answers) 2018

This test contains 50 questions with 4 answers you have to choose the right answers and count your score. After completing the questions look at the answers and verify with yours. You can find the answers at last.

So let’s get started.

  1. In USM the tip of the tool vibrates at a frequency of
    1. 10 KHz
    2. 20 KHz
    3. 30 KHz
    4. 40 KHz
  2. In ECM, the shaped tool is made out of
    1. Brass
    2. Copper
    3. Bronze
    4. Any of the above
  3. In ECM, the current densities for most of the application vary between …………………of the active machined surface.
    1. 5-2 A/mm2
    2. 5-4 A/mm2
    3. 5-6 A/mm2
    4. 5-8 A/mm2
  4. In USM, the tip of the tool attached to a transducer through the tool holder is made out of
    1. Copper
    2. Mild Steel
    3. Stainless steel
    4. Iron
  5. In USM, the water slurry concentrations vary between
    1. 10% to 60% by volume
    2. 20% to 60% by volume
    3. 30% to 60% by volume
    4. 40% to 60% by volume
  6. The removal rate and surface roughness in EDM increase with
    1. Increasing current density and decreasing frequency of sparks.
    2. Increasing both current density and frequency of sparks.
    3. Decreasing both current density and frequency of sparks.
    4. Decreasing current density and increasing frequency of sparks.
  7. The current range in case of EDM is
    1. 1 A – 100 A
    2. 1 A – 200 A
    3. 1 A – 250 A
    4. 1 A – 500 A
  8. The spark gap in EDM process normally varies from
    1. 005 mm to 0.50 mm
    2. 05 mm to 0.005 mm.
    3. 01 mm to 0.001 mm.
    4. 001 mm to 0.1 mm.
  9. When the melting point and latent heat of melting increases in EDM, the
    1. The rate of metal removal increases
    2. The rate of metal removal remains the same
    3. The rate of metal removal decreases
    4. None of the above.
  10. Tool wear can be minimized by reversing the polarity and using copper tools, it is called as
    1. No – wear EDM.
    2. Wear EDM.
    3. Full – wear EDM.
    4. Half – wear EDM
  11. AJM is good for material that withstands
    1. High temperature
    2. High pressure
    3. High velocity
    4. High current density
  12. Machining of mechanical components of a watch is done by
    1. Ultrasonic machining
    2. Electrochemical
    3. Laser beam machining
    4. Electrical discharge machining
  13. The size of the abrasive particles aimed at the workpiece surface in AJM is
    1. 00025 mm
    2. 0025 mm
    3. 025 mm
    4. 25 mm
  14. A good workpiece material in LBM is the one which has
    1. High light energy absorption power
    2. High reflectivity
    3. High thermal conductivity
    4. High melting point
  15. In AJM, the grains should have sharp edges and should not be reused as the sharp edges are worn down and the smaller particle will
    1. Destroy the nozzle
    2. Move through the nozzle
    3. Clog nozzle
    4. None of the above
  16. In arc welding, the temperature of heat produced by the electric arc is of the order of the order of
    1. 3000°- 4000°
    2. 4000°- 5000°
    3. 5000°- 6000°
    4. 6000°- 7000°
  17. Which of the following welding method uses a pool of molten metal
    1. Carbon arc welding
    2. Submerged arc welding
    3. TIG arc welding
    4. MIG arc welding
  18. Oxygen to acetylene ration in case neutral flame is
    1. 8:1
    2. 1:1
    3. 2:1
    4. 2:1
  19. Which one of the following is a permanent fastening process in which two metals pieces are joined together form a single piece
    1. Welding
    2. Casting
    3. Joining
    4. None
  20.  In metallic arc welding which of the following is correct
    1. Electrode carry the arc
    2. Electrode acts as a filler rod
    3. Both (a) or (b)
    4. None of the above
  21. The slag formed in case of metallic arc welding must have__ fluidity
    1. Low
    2. High
    3. Medium
    4. None
  22. In metallic arc welding when the electrode is connected to negative terminal of electric supply, maximum heat is produced at
    1. Electrode tip workpiece
    2. Workpiece
    3. Either (a) or(b)
    4. None
  23. In resistance welding which of the following is/are required for the welding operation
    1. Heat
    2. Pressure
    3. Both (a) or (b)
    4. None
  24. Which of the following belongs to resistance welding
    1. Spot welding
    2. Projection welding
    3. Seam welding
    4. All the above
  25. In which of the following resistance welding process continuous weld is produced
    1. Spot welding
    2. Projection welding
    3. Seam welding
    4. None
  26. _____ Metal sheet is used in tanks and stove pipes
    1. Copper
    2. Aluminium
    3. Black iron
    4. Galvanized iron
  27.  In sheet metal work___ to __ metal sheet is used
    1. 10 gauge to 12 gauge
    2. 2 gauge to 4 gauge
    3. 16 gauge to 30 gauge
    4. 16 gauge to 20 gauge
  28.  Cutting a whole piece of the sheet metal is called ____
    1. Piercing
    2. Shearing
    3. Blanking
    4. Trimming
  29. The process of cutting extra metal flange is called__
    1. Drawing
    2. Shearing
    3. Trimming
    4. Piercing
  30.  In deep drawing operation length of the object to be drawn is___
    1. Deeper then its width
    2. Half of the width
    3. Equal to the width
    4. None of the above
  31. In blanking ____ stresses are induced
    1. Shear
    2. Tensile
    3. Compressive
    4. Both Tension and compression
  32.  In shallow drawing the length be objected to being drawn is
    1. Greater than its width
    2. Equal to its width
    3. Less than its width
    4. None of the above
  33.  In gas welding, the temperature of the neutral flame is of the order of about.
    1. 63000F
    2. 55000F
    3. 59000F
    4. 14750F
  34.  In TIG arc welding, the welding zone is shielded by an atmosphere of
    1. Helium gas
    2. Hydrogen gas
    3. Oxygen gas
    4. Acetylene
  35.  In which of the following operation of a lathe, spindle speed will be minimum.
    1. Knurling
    2. Thread cutting
    3. Taper turning
    4. Parting off
  36.  The unit of the lathe which houses the lathe spindle and control levers for speed selection is called
    1. Headstock
    2. Tailstock
    3. Feedbox
    4. Carriage
  37.  For machining a casting on a lathe, it should be held in
    1. Three jaw chuck
    2. Four jaw chuck
    3. Magnetic Chuck
    4. Collet chuck
  38.  Which of the following taper turning methods are used for turning the external taper
    1. Form tool
    2. Compound rest
    3. Taper turning attachment
    4. Tailstock offset
  39.  The device which is fastened to the headstock end of the work to be done between the centres is called a
    1. Faceplate
    2. Lathe dog
    3. Chuck
    4. Rest
  40.  One of the most specifications of the lathe is
    1. Swing over tool post
    2. Swing over tool bed
    3. Bed length
    4. Distance between centres
  41. The usual ratio of the forward and return stroke in shaper is
    1. 2:1
    2. 1:2
    3. 2:3
    4. 3:2
  42.  The feeding of the job in a shaper is done by
    1. Ram movement
    2. Tool movement
    3. Table movement
    4. None of the above
  43.  Lathe bed is made out of
    1. Mild steel
    2. Stainless steel
    3. Wrought iron
    4. Cast iron
  44.  In case of metallic arc welding, the electric current may be
    1. C only
    2. C only
    3. C or D.C
    4. None of the above
  45.  Size of the shaper is specified by
    1. Size of table
    2. Length of stroke
    3. The ratio of forward to return stroke
    4. P of motor
  46.  Which of the following is not the part of the shaper
    1. Clapper box
    2. Cross Slide
    3. Ram
    4. Tool head
  47.  The ultrasonic machining is best suited for material that is
    1. Soft and ductile
    2. Soft and brittle
    3. Hard and brittle
    4. Hard and ductile
  48.  Most commonly used flame in gas welding is
    1. Neutral
    2. Oxidizing
    3. Carburizing
    4. None
  49.  In case of a shaper, the feeding of the job is done
    1. At the beginning of the cutting stroke
    2. At the middle of cutting stroke
    3. At the end of cutting stroke
    4. At the end of the return stroke
  50.  Drilling is an example of
    1. Simple cutting
    2. Oblique cutting
    3. Orthogonal cutting
    4. Uniform cutting

Answer: (1) b.  (2) d. (3) d. (4) b. (5) b. (6) a. (7) d. (8) a. (9) c. (10) a. (11) a. (12) c. (13) c. (14) a. (15) c. (16) d. (17) b. (18) d. (19) a. (20) a. (21) c. (22) a. (23) c. (24) d. (25) c. (26) c. (27) c. (28) c. (29) c. (30) a. (31) a. (32) c. (33) b. (34) a. (35) b. (36) a. (37) b. (38) d. (39) b. (40) b. (41) b. (42) c. (43) b. (44) c. (45) b. (46) b. (47) c. (48) a. (49) d. (50) b.

About Saif M

Saif M. is a Mechanical Engineer by profession. He completed his engineering studies in 2014 and is currently working in a large firm as Mechanical Engineer. He is also an author and editor at www.theengineerspost.com

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