Download PDF
Free download in PDF Production Engineering Multiple Choice Questions(MCQs) with Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
61
Hard, tough, fragile and heat sensitive metals can be processed by
[A]
Cold heading
[B]
Explosive forming
[C]
High energy rate forming
[D]
Electrical discharge machining
Answer: Electrical discharge machining
62
Spiral flutes are provided on drill bits to
[A]
Help from the cutting edge of the drill point
[B]
Curl the chip tightly for easier removal
[C]
Provide passage for coolant supply
[D]
All of the above
63
In following operations are to be performed on a job, which one would be performed first
[A]
Drilling
[B]
Boring
[C]
Counter sinking
[D]
Tapping
64
A 12 mm drilling machine means
[A]
It can drill holes in 12 mm thick plates
[B]
It can drill holes maximum 12 mm in diameter
[C]
It can be used for crilling holes having cross-sectional area of 12 sq mm
[D]
All of the above
Answer: It can drill holes maximum 12 mm in diameter
65
Which one of the following methods can be used for turning external tapers only?
[A]
Compound rest
[B]
Tail stock offset
[C]
Taper attachment
[D]
Form tool
Answer: Tail stock offset
66
Standard taper generally used on milling machine spindles is
[A]
Morse taper
[B]
Chapman taper
[C]
Brown and Sharpe taper
[D]
Jarno and Reed taper
Answer: Brown and Sharpe taper
67
In a 32A 49-H 8V BE grinding wheel the grit size is represented by
[A]
32
[B]
46
[C]
8
[D]
BE
68
In climb milling
[A]
Work moves in same direction as rotation of the cutter
[B]
Work moves in opposite direction as rotation of the cutter
[C]
Tool climbs on the work piece for cutting operation
[D]
Work is fed to cutter in lateral direction
Answer: Work moves in same direction as rotation of the cutter
69
Which one of the following methods cannot be used for turning internal tapers?
[A]
Tail stock offset
[B]
Cross slide
[C]
Compound slide
[D]
All of the above
Answer: Tail stock offset
70
Taper gererally used in lathes now-a-days is
[A]
Brown and sharpe
[B]
Morse
[C]
Jarno
[D]
Parkinson
71
Brown and sharpe taper is generally used in
[A]
Lathes
[B]
Drills
[C]
Shapers
[D]
Milling machines
72
In a turret lathe a pre-selector is a device
[A]
That is used to select in the job prior to loading
[B]
That is used to decide the operation to be done on a job prior to a specific operation
[C]
That is used to pre-select the spindle speed for the next operation in progress
[D]
Used for feeding bar to chuck
Answer: That is used to pre-select the spindle speed for the next operation in progress
73
Kind of tools used to undercut corners on a job that is to be hardened and ground is
[A]
Parting tool
[B]
Roundnose tool
[C]
Vee shaped tool
[D]
Knurling tool
74
Undercutting is
[A]
An operation of cutting extra wide threads
[B]
An operation of cutting a groove next to a shoulder on a piece of work
[C]
Cutting from the base of a work piece
[D]
An operation of cutting deep grooves
Answer: An operation of cutting a groove next to a shoulder on a piece of work
75
Cutting speeds for some materials are given as
[A]
20 m/min
[B]
30 m/min
[C]
40 m/min
[D]
80 m/min
76
Stub tooth are cut on gears
[A]
Subjected to shock and vibration
[B]
To reduce centre distance between shafts
[C]
To reduce frictional torque
[D]
To improve transmission efficiency
Answer: Subjected to shock and vibration
77
Gear tooth vernier is used to measure
[A]
Gear tooth profile
[B]
Gear tooth thickness
[C]
Pitch line thickness of gear tooth
[D]
Module
Answer: Pitch line thickness of gear tooth
78
In a drilling operation
[A]
Torque is equal to the axial force
[B]
Torque is more than the axial force
[C]
Torque is less than the axial force
[D]
Torque is half the axial force
Answer: Torque is half the axial force
79
When large number of components are turned and parted off from a bar, the chuck used is
[A]
Three jaw chuck
[B]
Four jaw chuck
[C]
Face place
[D]
Collet chuck
Answer: Rubber asbestos type
80
While machining a brass casting on a lathe, the type of chuck used is
[A]
Collect chuck
[B]
Magnetic chuck
[C]
Four jaw chuck
[D]
Three jaw chuck
Take Mock Tests