Production Engineering Quiz | Production Engineering Short Questions & Answers

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Questions
41 Music wire
A Is fine wire used in musical instruments manufacture springs
B Is a carbon steel wire used to manufacture springs
C Is a resistance wire used in instruments
D Is a standard wire for gauge determination

Answer: Is a carbon steel wire used to manufacture springs
42 Miter gears are
A Spur gears of equal diameter and pitch
B Helical gears of same module
C Right angled bevel gears having the same number of teeth
D Gears of different modules

Answer: Right angled bevel gears having the same number of teeth
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43 Marform is
A A darwing process that forms metal sheet by using a movable steel punch and a rubber headed ram
B Is a foming process on lathe in which movement of tool is neither governed by cross slide nor by compound slide
C Is a forming tool and on lathe machine to generate spherical surfaces
D A work holding device in which plane of rotation can be changed while working

Answer: A darwing process that forms metal sheet by using a movable steel punch and a rubber headed ram
44 A mandrel is
A A slightly tapered hardened steel shaft that supports works which cannot be supported otherwise
B A tapered gauge used for inspection of tapered holes
C Auxiliary chuck used on lathe for holding small loads
D Is used in lathe work to hold castings

Answer: A tapered gauge used for inspection of tapered holes
45 Which one of the following methods be used for turning internal tapers only?
A Compound rest
B Tailstock offset
C Taper attachment
D Form tool

Answer: Taper attachment
46 Shanks of taper drills are provided standard taper known as
A Brown and Sharpe taper
B Jarno and Reed taper
C Morse taper
D Sellers taper

Answer: Morse taper
47 Steady rest is
A An additional support provided for long jobs
B Used while turning unsymmetrical objects
C Used during thready cutting only
D Used when a lathe is subject to vibrations

Answer: An additional support provided for long jobs
48 In which operation on a work piece on lathe the spindle speed with be least?
A Parting off
B Finishing
C Taper turning
D Thread cutting

Answer: Thread cutting
49 While using high speed steel tools on lathe the speed of chuck will be lowest while machining
A Cast iron
B Copper
C Brass
D Aluminium

Answer: Cast iron
50 While using HSS tools on a lathe, cutting speed will be maximum when machining
A Cast iron
B Mild steel
C High carbon steel
D Aluminium

Answer: Aluminium
51 A left hand tool on a lathe cuts most efficiently when
A It travels from left to right
B It travels from right to left
C It travels across the bed
D It is operated by compound slide

Answer: It travels from left to right
52 The power is transmitted by lead screw to the carriage through
A Gear system
B Pulley drive
C Rack and pinion a arrangement
D Half nut

Answer: Half nut
53 A Hack-saw blade cuts on
A Forward stroke
B Return stroke
C Both
D Depends on direction of force

Answer: Forward stroke
54 Hack-saw blades having the number of teeth as given below are available. Which one would you chose for cutting brass
A 14 teeth per inch
B 18 teeth per inch
C 24 teeth per inch
D 31 teeth per inch

Answer: 24 teeth per inch
55 The width of slot eut by a hack-saw blade is
A Equal to the width of blade
B Less than the width of blade
C Slightly more than the width of blade
D None of these

Answer: Slightly more than the width of blade
56 The length of a hacksaw blade is measured from
A Extreme one to-extreme end
B Centre of hole at one end to the centre of hole at the other end
C The formula L = 16 x width
D None of these

Answer: Centre of hole at one end to the centre of hole at the other end
57 In a drilling machine having six spindle speeds if first five speeds are 458, 605, 800, 1055 and 1390 rpm, the next higher speed would be
A 1440 rpm
B 1500 rpm
C 1630 rpm
D 1830 rpm

Answer: 1830 rpm
58 In a lathe gear box if first four consecutive speed are 19, 30, 47, 74 rpm, the next speed would be
A 93 rpm
B 116 rpm
C 101 rpm
D 104 rpm

Answer: 116 rpm
59 In a centre lathe gear box for changing spindle speeds the provision for speeds is made in
A Arithmetical progression
B Geometrical progression
C Square progression
D Cubical progression

Answer: Geometrical progression
60 A plug gauge is used for measuring
A Taper bores
B Cylindrical bores
C Spherical holes
D Screw threads

Answer: Cylindrical bores

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