Top 550+ Solved Production Engineering MCQ Questions Answer

From 121 to 135 of 771

Q. The length of hacksaw blades is

a. Parting off

b. 200 - 300 mm

c. 300 mm - 400 mm

d. 150 mm - 250 mm

  • b. 200 - 300 mm

Q. In production work where several castings are required

a. Parting off

b. match plate patterns are used

c. split patterns are used

d. loose piece patterns are used

e. gated patterns are used

  • e. gated patterns are used

Q. In following operations are to be performed on a job, which one would be performed first

a. Tapping

b. Sport facing

c. Boring

d. Drilling

e. Counter sinking

  • d. Drilling

Q. Toole life cannot be defined as

a. number of minutes after which tool failed

b. machine time in minutes for which tool performed satisfactorily

c. average length of cut per cutting edge

d. None of the above

e. Parting off

  • a. number of minutes after which tool failed

Q. Which of the following press is best suited for embossing?

a. Knuckle joint press

b. Toggle action press

c. Double action press

d. None of the above

e. Parting off

  • a. Knuckle joint press

Q. Coarse feed, low rake angle, low cutting speed and insufficient cooling help produce

a. continuous chips with built up edges in ductile materials

b. discontinuous chips in brittle materials

c. discontinuous chips in ductile materials

d. continuous chips in ductile materials

e. Parting off

  • a. continuous chips with built up edges in ductile materials

Q. The chisels used in sheet metal work have

a. Rounded cutting edge

b. Straight cutting edge

c. Any of (A) or (B)

d. Parting off

  • a. Rounded cutting edge

Q. The processes used for the machining of sintered and tungsten carbide is

a. Grinding process

b. Electroforming process

c. Explosive forming process

d. Turning process

e. None of the above

  • b. Electroforming process

Q. Nitrided steel is used for gears where

a. Variable load operation is desired

b. Low speed operation is desired

c. Varying stresses are expected on teeth

d. High hardness is desired on teeth

e. Variable speed operation is desired

  • d. High hardness is desired on teeth

Q. Which one of the following cannot be used as a moulding material

a. Wood

b. Cement

c. Glass

d. Paper

e. Rubber

  • c. Glass

Q. Severe quenching may lead to

a. superficial hardness

b. blow holes

c. formation of cracks

d. warping

e. Parting off

  • c. formation of cracks

Q. Steel balls are required in large quantities. Which process would you select for the manufacture?

a. Cold heading

b. Turning on a Capstan of Turret lathe

c. Casting

d. Turning on a lathe

e. Turning on a automatic lathe

  • a. Cold heading

Q. A half nut is

a. A double start nut for a quick shift

b. Mechanism that locks the lathe carriage to the lead screw for thread cutting

c. Nut with half the standard pitch

d. Damaged nut

e. Nut manufactured in parts

  • b. Mechanism that locks the lathe carriage to the lead screw for thread cutting

Q. Out of the following materials which one will have lowest temperature of freezing?

a. Copper

b. Zinc

c. Gold

d. Lead

e. Tungsten

  • d. Lead

Q. Trepanning tool is used on

a. Milling machine

b. Planers

c. Lathes

d. Power presses

e. Cold heading machine

  • b. Planers
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