WorksheetsMachinist Grinder 3rd Sem - NSQF - Module 2 : Surface grinding
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
Which is the high precision surface plate?
a)
Tool maker's flat
b)
Cast iron surface plate
c)
Granite surface plate
d)
Heavy duty surface plate
2.
What is the shape of high precision surface plate?
a)
Circular
b)
Rectangular
c)
Square
d)
Triangular
3.
How many faces in tool makers flat finished of size 50 to 75mm?
a)
Both faces as working surfaces
b)
Only top face as working surface
c)
Only bottom face as working surface
d)
Round faces as working surface
4.
What is the accuracy of glass surface plate?
a)
0.04 to 0.08 mm
b)
0.4 to 0.8 mm
c)
0.0004 to 0.0008
mm
d)
0.004 to 0.008 mm
5.
What is the characteristic of granite surface plate?
a)
Won't rust but does not distort
b)
Would rust but may distort
c)
Effect of moisture
d)
Won't rust but may distort
6.
How many degrees finger probe move in automatic reversal type dial test indicator?
a)
Around 360°
b)
Around 180°
c)
Around 240°
d)
Around 90°
7.
How much depth the internal dial caliper gauges reach while measuring?
a)
60 mm depth
b)
70 mm depth
c)
80 mm depth
d)
90 mm depth
8.
What is the ball size in black oxide finish caliper arms of dial caliper gauge?
a)
1.00 mm
b)
1.59 mm
c)
2.59 mm
d)
2.00 mm
9.
What is the size of contact point of spindle in dial pipe gauge?
a)
1.5 mm diameter
b)
2.5 mm diameter
c)
3.5 mm diameter
d)
4.5 mm diameter
10.
What is the minimum measureable inside diameter of pipe in dial pipe gauges?
a)
1.5 mm
b)
2.5 mm
c)
3.5 mm
d)
4.5 mm
11.
Which instrument is used for rapid direct reading measurement of hole depth?
a)
Dial caliper gauge
b)
Dial pipe gauge
c)
Dial depth gauge
d)
Dial bore gauge
12.
Which gauge is used for measuring 0.01mm thickness of paper?
a)
Dial depth gauge
b)
Dial caliper gauge
c)
Dial bore gauge
d)
Pocket thickness gauge
13.
Which machine is used for grinding flat surface?
a)
Cylindrical grinding machine
b)
Surface grinding machine
c)
Internal grinding machine
d)
Centreless grinding machine
14.
What is used to check the level of magnetic chuck on surface grinder?
a)
Parallel bar
b)
Sine bar
c)
Dial test indicator
d)
Sine bar and slip gauges
15.
How much down feed is applied for rough grinding of horizontal face in surface grinding?
a)
0.05 mm
b)
0.00125 mm
c)
0.005 mm
d)
0.0005 mm
16.
How much down feed is applied for finish grinding of vertical face in surface grinding?
a)
0.0125 mm
b)
0.00125 mm
c)
0.005 mm
d)
0.0005 mm
17.
What is the name of operation to cut pipe by grinding wheel?
a)
Plunge grinding
b)
Traverse grinding
c)
Plain grinding
d)
Vertical grinding
18.
Why shallow groove is provided in tool maker's flats?
a)
Good looking
b)
Handling
c)
Attachment fitting
d)
Job checking
19.
What is the use of cup wheel?
a)
To grind dovetail
b)
To grind slot
c)
To grind 'V' block
d)
To grind concave surface
20.
Which part of surface grinding machine carries the table in its crosswise movement?
a)
Base
b)
Table
c)
Saddle
d)
Wheel head
21.
What is the name of surface grinding machine?
a)
Vertical spindle rotary table
b)
Vertical spindle reciprocating table
c)
Horizontal spindle and rotary table
d)
Horizontal spindle and reciprocating table
22.
What is the term, if the rate at a point on work surface pass a point on the wheel surface?
a)
Work speed
b)
Cutting speed
c)
Spindle speed
d)
Surface speed
23.
Which main part of the surface grinding machine has a driving mechanism?
a)
Base
b)
Table
c)
Saddle
d)
Wheel head
24.
Which part of the surface grinding machine reciprocates along the guideways to provide longitudinal feed to the work?
a)
Base
b)
Table
c)
Saddle
d)
Wheel head
25.
Which method of grinding the work piece is fed at a constant feed just below the grinding wheel to produce flat surface?
a)
Surface grinding
b)
Tool and cutter grinding
c)
Internal cylindrical grinding
d)
External cylindrical grinding
100 %
