Top 550+ Solved Production Engineering MCQ Questions Answer

From 451 to 465 of 771

Q. In Rockwell hardness test the hardness is measured by

a. The width of depression

b. The depth of depression

c. Diameter of depression

d. None of the above

e. None of the above

  • b. The depth of depression

Q. The cutting edges of a twist drill are known as

a. Flanks

b. Wedges

c. Flutes

d. Lips

e. None of the above

  • d. Lips

Q. Which of the following is the best method for drilling, 1 mm hole in glass?

a. Laser drilling

b. Garbide tipped drilling

c. Plasma arc drilling

d. Ultrasonic machining

e. Electron beam drilling

  • d. Ultrasonic machining

Q. While drilling on marble, the point angle should be

a. 10?

b. 120?

c. 80?

d. 112?

e. 118?

  • c. 80?

Q. Glazing of grinding wheels is easily identified by

a. Shiny sppearance on the face of the wheel

b. black spots on the grinding face

c. formation of cavities on the wheel

d. None of the above

e. Parting off

  • a. Shiny sppearance on the face of the wheel

Q. Match plate pattern is used in

a. Greens and moulding

b. Pillar moulding

c. Bench moulding

d. Machine moulding

e. Pit moulding

  • d. Machine moulding

Q. Generally rubber, leather, fibre etc. are blanked by the process of

a. drinking

b. broaching

c. notching

d. lancing

e. Parting off

  • a. drinking

Q. A fly cutter is used on

a. Metal spinning lathe

b. Capstan lathe

c. Lathe

d. Shaper

e. Milling machines

  • e. Milling machines

Q. Draft or taper allowance in patterns is provided on

a. All vertical surfaces of the pattern

b. All round surfaces of pattern

c. All sides of patterns

d. All corners of the pattern

e. All horizontal surfaces of the pattern

  • a. All vertical surfaces of the pattern

Q. CO2 sand is used

a. for low temperature alloys

b. for non-ferrous castings

c. Parting off

d. for producing hard surface around the mould

e. for mass production of castings

  • d. for producing hard surface around the mould

Q. Which of the following is an interference fit?

a. Push fit

b. Shrink fit

c. Sliding fit

d. Running fit

e. Light keying fit

  • a. Push fit

Q. The advantage of electro chemical machining is

a. There is virtually no wear of the tool

b. No burrs are produced

c. The rate of metal removal does not depend on the physical properties of the metal

d. The surface produced is free from mechanical stresses

e. All of the above

  • e. All of the above

Q. Brown and sharpe taper is generally used in

a. Lathes

b. Shapers

c. Drills

d. Milling machines

e. Broaching machines

  • d. Milling machines

Q. A master gauge is

a. Used by all mechanics

b. A gauge used by experienced technician

c. None of above

d. Used by masters

e. A standard gauge for checking accuracy of gauges used on shop floors

  • a. Used by all mechanics

Q. Goose neck tools are used on

a. Grinders

b. Planers

c. Capstan lathes

d. Wood working lathes

e. Milling machines

  • b. Planers
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