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WorksheetsMachinst Grinder 2nd Sem Module 6 n 7 Grinding Defects n Tool an
Total questions: 41
Worksheet time: 21mins
Name
Class
Date
1.
What is the size of telescopic gauge?
a)
8 mm to 125 mm
b)
8 mm to 150 mm
c)
8 mm to 175 mm
d)
8 mm to 200 mm
2.
What is the name of instrument?
a)
Small hole gauge
b)
Snap gauge
c)
Caliper gauge
d)
Telescopic gauge
3.
What is the part marked as ‘X’?
a)
Handle
b)
Plunger lock
c)
Spring
d)
Fixed leg
4.
Which instrument is withdrawn from the hole and measured with micrometer?
a)
Dial gauge
b)
Telescopic gauge
c)
Caliper gauge
d)
Snap gauge
5.
What is the operation carried out in surface grinding?
a)
Grinding angular surface
b)
Grinding flat surface
c)
Grinding vertical surface
d)
Grinding slot
6.
What is the use of telescopic gauge?
a)
To measure external
b)
To measure depth
c)
To measure hole
d)
To measure angular
7.
What is the application of instrument?
a)
Measuring with small hole gauge
b)
Measuring with caliper gauge
c)
Measuring with telescopic gauge
d)
Measuring with snap gauge
8.
What is the effect if metal clogged in chip spaces of grinding wheel?
a)
Dressing
b)
Loading
c)
Truing
d)
Glazing
9.
What is the cause for faulty wheel dressing?
a)
Used sharp dresser
b)
Pass the tool slowly across the wheel face
c)
Used blunt dresser
d)
Washed the dressed wheel with coolant before grinding
10.
What is the reason for shiny appearance of the work surface during grinding?
a)
Loading
b)
Truing
c)
Glazing
d)
Dressing
11.
What is the reason for chatter marks while grinding?
a)
Even cutting
b)
Machine vibration
c)
Regular sparking
d)
Intermittent sparking
12.
What is the cause for poor work finish on used during cylindrical grinding?
a)
Correct wheel grade
b)
Damaged wheel
c)
Proper operation
d)
Work speed too high
13.
What is the reason for work tapered during cylindrical grinding?
a)
Table aligned properly
b)
Head stock aligned properly
c)
Wheel face not true
d)
Centres accurate
14.
What is the reason for tapered bore while internal grinding?
a)
True wheel face
b)
Correct tail stock alignment
c)
Work head misaligned
d)
Correct table alignment
15.
What is the correction of tapered bore while internal grinding?
a)
Allow spark out before next cut
b)
Increase size of cut
c)
Use lighter spindle
d)
Incorrect supports
16.
What is the reason for incorrect taper while bore grinding?
a)
Correct work head angle
b)
Correct table angle
c)
Work head angle incorrect
d)
Allow wheel spark out
17.
What is the reason for inaccuracies in work piece while cylindrical grinding?
a)
Re-balance the grinding wheel
b)
Centres in work is eccentric
c)
Decrease pressure
d)
Adjust traverse
18.
What is the reason for curved work surface after grinding?
a)
Incorrect grade of wheel
b)
Insufficient coolant
c)
Incorrect grain size
d)
Incorrect traverse setting
19.
What is the name of part marked as ‘X’?
a)
Wheel head body
b)
Left tail stock
c)
Wheel head
d)
Right tail stock
20.
What is the name of grinding machine?
a)
Surface grinder
b)
Tool and cutter grinder
c)
Centrless grinder
d)
Universal grinder
21.
Which cutting tools need re- sharpening?
a)
Rusted cutting tools
b)
New cutting tools
c)
Blunt cutting tools
d)
Old cutting tools
22.
Which part in tool and cutter grinder moves up and down to given depth of cut while grinding?
a)
Left tail stock
b)
Wheel head
c)
Right tail stock
d)
Table
23.
What is the name of term marked as ‘X’?
a)
Lower swivel
b)
Eccentric swivel
c)
Clamping screw ‘A’ to upper swivel
d)
Clamping ‘B’ to lower swivel
24.
What is the name of grinding wheel to be used for re-sharpening brazed carbide facing tool?
a)
Straight wheel
b)
Green silicon carbide cup wheel
c)
Tapered wheel
d)
Sauer wheel
25.
What is the name of work holding device used to hold brazed carbide boring tool?
a)
Quick realse vice
b)
Tool makers vice
c)
Universal vice
d)
Bench vice
26.
What is the name of wheel used to re-sharpen slotting cutter?
a)
Straight cup wheel
b)
Taper cup wheel
c)
Flaring cup wheel
d)
Sauer wheel
27.
What type of device to be mounted on the right hand end of work table in tool and cutter grinder?
a)
Ordinary tail stock
b)
Spring loaded tail stock
c)
Chuck
d)
Steady rest
28.
What is the part marked as ‘X’?
a)
Tool setting gauge
b)
Clearance setting gauge
c)
Direct setting from cutter head
d)
Centre setting gauge
29.
What is the part marked as ‘X’?
a)
Cutter mounted on chuck
b)
Cutter mounted on tail stock
c)
Cutter mounted on mandrel
d)
Cutter mounted on carrier
30.
What is the tool re-sharped in tool and cutter grinder?
a)
Helical fluted reamer
b)
Shell reamer
c)
Taper reamer
d)
Straight fluted reamer
31.
What is tool re-sharpened in tool and cutter grinder?
a)
Resharpening reamer
b)
Resharpening tap
c)
Resharpening drill
d)
Resharpening counter sink tool
32.
What is the tool resharpening in tool and cutter grinding?
a)
Plain milling cutter
b)
Side milling cutter
c)
Helical milling cutter
d)
Slotting cutter
33.
What is the name of supporting devices?
a)
Fixed rest
b)
Spring rest
c)
Universal rest
d)
Adjustable rest
34.
Which grinding machine is used to sharpen milling cutters?
a)
Surface grinder
b)
Cylindrical grinder
c)
Centreless grinder
d)
Tool and cutter grinder
35.
Why cutting tools become blunt?
a)
Keeping tools idle
b)
Continuous use
c)
Cutting tool rusted
d)
Applied sufficient coolant
36.
Why blunt cutting tools are re-sharpened?
a)
For good apperance
b)
For removing rust
c)
For continuous production
d)
For maintaining angles
37.
Which mechanism controls the table movement in tool and cutter grinder?
a)
Lever and scroll
b)
Rack and pinion
c)
Worm shaft and worm gear
d)
Fast and loose pulley
38.
Which grinding machine is used for re-sharpening drills?
a)
Universal tool and cutter grinder
b)
Single purpose tool and cutter grinder
c)
Cylindrical grinder
d)
Centerless grinder
39.
Which grinding machine is used for re-sharpening all types of milling cutters?
a)
Single purpose tool and cutter grinder
b)
Universal tool and cutter grinder
c)
Cylindrical grinder
d)
Centreless grinder
40.
What is the use of tooth rests in tool and cutter grinder?
a)
To support cutter
b)
To support wheel
c)
To support each individual tooth
d)
To support wheel head
41.
Which type of wheel is recommended for grinding milling cutter?
a)
Metal bonded
b)
Vitrified bonded
c)
Resinoid bonded
d)
Silicate bonded
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