Production Engineering Set 26

Mechanical Engineering

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This set of Production Engineering Multiple Choice Questions & Answers (MCQs) focuses on Production Engineering Set 26

Q1 | In Rockwell hardness test the hardness is measured by
  • The width of depression
  • The depth of depression
  • Diameter of depression
  • None of the above
  • None of the above
Answer: The depth of depression
Q2 | The cutting edges of a twist drill are known as
  • Flanks
  • Wedges
  • Flutes
  • Lips
  • None of the above
Answer: Lips
Q3 | Which of the following is the best method for drilling, 1 mm hole in glass?
  • Laser drilling
  • Garbide tipped drilling
  • Plasma arc drilling
  • Ultrasonic machining
  • Electron beam drilling
Answer: Ultrasonic machining
Q4 | While drilling on marble, the point angle should be
  • 10?
  • 120?
  • 80?
  • 112?
  • 118?
Answer: 80?
Q5 | Glazing of grinding wheels is easily identified by
  • Shiny sppearance on the face of the wheel
  • black spots on the grinding face
  • formation of cavities on the wheel
  • None of the above
  • Parting off
Answer: Shiny sppearance on the face of the wheel
Q6 | Match plate pattern is used in
  • Greens and moulding
  • Pillar moulding
  • Bench moulding
  • Machine moulding
  • Pit moulding
Answer: Machine moulding
Q7 | Generally rubber, leather, fibre etc. are blanked by the process of
  • drinking
  • broaching
  • notching
  • lancing
  • Parting off
Answer: drinking
Q8 | A fly cutter is used on
  • Metal spinning lathe
  • Capstan lathe
  • Lathe
  • Shaper
  • Milling machines
Answer: Milling machines
Q9 | Draft or taper allowance in patterns is provided on
  • All vertical surfaces of the pattern
  • All round surfaces of pattern
  • All sides of patterns
  • All corners of the pattern
  • All horizontal surfaces of the pattern
Answer: All vertical surfaces of the pattern
Q10 | CO2 sand is used
  • for low temperature alloys
  • for non-ferrous castings
  • Parting off
  • for producing hard surface around the mould
  • for mass production of castings
Answer: for producing hard surface around the mould
Q11 | Which of the following is an interference fit?
  • Push fit
  • Shrink fit
  • Sliding fit
  • Running fit
  • Light keying fit
Answer: Push fit
Q12 | The advantage of electro chemical machining is
  • There is virtually no wear of the tool
  • No burrs are produced
  • The rate of metal removal does not depend on the physical properties of the metal
  • The surface produced is free from mechanical stresses
  • All of the above
Answer: All of the above
Q13 | Brown and sharpe taper is generally used in
  • Lathes
  • Shapers
  • Drills
  • Milling machines
  • Broaching machines
Answer: Milling machines
Q14 | A master gauge is
  • Used by all mechanics
  • A gauge used by experienced technician
  • None of above
  • Used by masters
  • A standard gauge for checking accuracy of gauges used on shop floors
Answer: Used by all mechanics
Q15 | Goose neck tools are used on
  • Grinders
  • Planers
  • Capstan lathes
  • Wood working lathes
  • Milling machines
Answer: Planers
Q16 | The advantage of laser beam machining is
  • High production rates
  • Minimum heat affected zone
  • Dissimilar metals can be welded
  • Precise operation
  • All of the above
Answer: All of the above
Q17 | A tool signature, the nose radius is indicated
  • In the middle
  • Second from end
  • Second position
  • In the first position
  • In the last position
Answer: In the last position
Q18 | In wire cut EDM the electrode is
  • Parting off
  • a thin wire
  • a copper bar
  • a thin sheet
  • a tungsten plate
Answer: a thin wire
Q19 | The type of bearing to be selected for application where low torque, low coefficient of friction, non-magnetic properties and long life are required would be
  • Needle bearing
  • Ball bearing
  • Bush bearing
  • Roller bearing
  • Jewel bearing
Answer: Jewel bearing
Q20 | Which of the following process needs high voltage for its operation?
  • Plasma arc machining
  • Ultrasonic machining
  • Abrasive jet machining
  • Electro chemical machining
  • Electron beam machining
Answer: Electron beam machining
Q21 | All of the following are used for oblique cutting EXCEPT
  • Parting off
  • Slotting cutter
  • Drills
  • Milling cutters
  • Lathe tools
Answer: Slotting cutter
Q22 | In which of the following welding process the transfer of metal from the electrode occurs due to molecular attraction?
  • Metallic arc welding
  • Thermit welding
  • Thermit welding
  • DC arc welding
  • None of the above
Answer: Metallic arc welding
Q23 | Hacksaw used for cutting steel, cast iron, aluminium etc, has the following number of teeth per centimeter
  • Parting off
  • 12
  • 7
  • 10
Answer: 7
Q24 | A twist drill is specified by
  • The size of hole it can drill
  • A number specifying hole size
  • A letter of alphabet
  • Any of the above
  • None of above
Answer: Any of the above
Q25 | In a sine bar the standard length is measured from
  • Edge to edge
  • Between inner circumference of two buttons
  • Between out circumference of two buttons
  • Between the centers of two buttons
  • Any of the above
Answer: Between the centers of two buttons
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