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WorksheetsMachinst Grinder 2nd Sem Module 9 n 10 Special Grinding Machines
Total questions: 38
Worksheet time: 19mins
Name
Class
Date
1.
What type of foundation is required for grinding machines?
a)
Light foundation
b)
Medium foundation
c)
Sound foundation
d)
Ordinary foundation
2.
What is the depth of concrete base for larger grinding machines foundation?
a)
Minimum 2 feet
b)
Minimum 3 feet
c)
Minimum 4 feet
d)
Minimum 5 feet
3.
What is the device used for alignment of bed while erecting the machines?
a)
Straight edge
b)
Try square
c)
Precision level or optical instruments
d)
Steel rule
4.
What type of belt to be used in precision grinder?
a)
Flat belt
b)
'V’ belt
c)
Link belt
d)
Toothed belt
5.
Which machine can only be operated sucessfully after cleanliness and lubrication?
a)
Bench grinder
b)
Flexible grinder
c)
Precision grinder
d)
Angle grinder
6.
What is the period of time for thorough cleaning of machine?
a)
Once in fitften days
b)
Once a week
c)
Once a month
d)
Once in two months
7.
How many days once coolant container to be cleaned and mud removed in grinding machines?
a)
Every six or seven days once
b)
Every two or three days once
c)
Every four or five days once
d)
Every five or six days once
8.
What is the normal operating temperature of bearing?
a)
130°F
b)
120°F
c)
140°F
d)
150°F
9.
Who does the overhaul of machine?
a)
Machinists
b)
Turners
c)
Machine tool fitters
d)
Tool and die makers
10.
What is the period for overhauling of a machine?
a)
Once in three months
b)
Once a year
c)
Once in six months
d)
Once in nine months
11.
Which method work is automatically fed between the grinding and regulating wheels in centreless grinder?
a)
In feed
b)
Plain in feed
c)
Through feed
d)
Profile in feed
12.
What is the method of centreless grinding?
a)
End feed
b)
Combination of through feed and in feed
c)
Infeed
d)
Through feed
13.
Which is the method of centreless grinding?
a)
Through feed
b)
In feed
c)
Plain feed
d)
Profile in feed
14.
What is the name of grinding operation?
a)
Centrless grinding
b)
Surface grinding
c)
Cylindrical grinding
d)
Tool and cutter grinding
15.
What is the name of grinding operation?
a)
Grinding flat face
b)
Grinding dove tail
c)
Grinding angular face
d)
Grinding vee
16.
What is the care to be followed while lifting the machine with slings?
a)
Supervisors recommendations
b)
Manufactures recommendations
c)
Workers own instruction
d)
Skilled workers instruction
17.
What is the purpose of grouting in machine foundation?
a)
To ensure alignment
b)
To absorb vibration
c)
To support the machine
d)
To erect the machine
18.
What is the advantage of internal centreless grinder?
a)
To eccentricity of the internal and external diameters
b)
To grind concentricity of the internal and external diameters
c)
Less production
d)
Manual grinding
19.
What is the arrangement made in internal centreless grinding?
a)
Off-centre
b)
Between centre
c)
On centre
d)
Revolving centre
20.
What is the use of ‘125’ diamond concentration in grinding wheel?
a)
Off-hand griniding
b)
Cutting of soft stone
c)
Cemented carbides
d)
Grinding ferrous metals
21.
What is the use of snap gauge?
a)
To check inside dimension
b)
To check depth dimension
c)
To check outside dimension
d)
To check taper dimension
22.
What happens, if the belt fitted with belt fastener used in precision grinders?
a)
Smooth running
b)
Running with vibration
c)
Running with little sound
d)
Running with abnormal sound
23.
Which device is used to control the table reciprocation in cylindrical grinders?
a)
Lower table
b)
Upper table
c)
Reversing dogs
d)
Rests
24.
What is the part marked as ‘X’?
a)
Tail stock
b)
Table
c)
Base
d)
Wheel head
25.
What is the name of grinding machine?
a)
Internal cylindrical grinder
b)
Plain cylindrical grinder
c)
Universal cylindrical grinder
d)
Centreless grinder
26.
Which grinding machine has a regulating wheel and work piece is supported by work rest?
a)
Plain cylindrical grinder
b)
Centreless grinder
c)
Universal cylindrical grinder
d)
Internal cylindrical grinder
27.
Which part in the centreless grinder rotate the job and provide the depth of cut?
a)
Grinding wheel
b)
Regulating wheel
c)
Work rest blade
d)
Control wheel
28.
What is the name of surface grinder?
a)
Horizontal spindle reciprocating table
b)
Vertical spindle reciprocating table
c)
Horizontal spindle rotary table
d)
Vertical spindle rotary table
29.
Which type of surface grinding machine is used to grind concave surfaces?
a)
Horizontal spindle reciprocating table
b)
Horizontal spindle rotary table
c)
Vertical spindle reciprocating table
d)
Vertical spindle rotary table
30.
Which surface grinding machine is used in production shop?
a)
Horizontal spindle reciprocating table
b)
Horizontal spindle rotary table
c)
Vertical spindle rotary table
d)
Vertical spindle reciprocating table
31.
Which surface grinding machine is used for faster stock removal?
a)
Vertical spindle reciprocating table
b)
Horizontal spindle reciprocating table
c)
Vertical spindle rotary table
d)
Horizontal spindle rotary table
32.
What is the name of grinding machine?
a)
Plain cylindrical grinder
b)
Centreless grinder
c)
Internal cylindrical grinder
d)
Universal grinder
33.
Which grinding machine is used to perform variety of grinding operations external and internal?
a)
Plain cylindrical grinder
b)
Internal cylindrical grinder
c)
Universal grinder
d)
Centreless grinder
34.
Which grinding machine wheel head table and headstock can be swivelled?
a)
Centreless grinder
b)
Universal grinder
c)
Internal cylindrical grinder
d)
Plain cylindrical grinder
35.
Which grinding machine head stock is swivelled to desired angle?
a)
Plain cylindrical grinder
b)
Universal grinder
c)
Internal cylindrical grinder
d)
Centreless grinder
36.
Which precaution is followed while working in grinding machines?
a)
Wear loose fitting clothes
b)
Do not start the machine unless all machine guards are correctly fitted
c)
Wear a tie and long sleeves
d)
Wear watch and rings
37.
Why the precision grinding machines are fitted with guards?
a)
To save the grinding machine parts
b)
To protect the operator from injury
c)
For good apperance
d)
For good operation
38.
How accidents can be prevented while doing the work in machines?
a)
Working in ones own way
b)
Read the manual, gain clear understanding and doing the work
c)
Working with others instructions
d)
Work with self confidence
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