WorksheetsMachinst Grinder 2nd Sem Module 5 Dry and Wet Grinding
Total questions: 24
Worksheet time: 12mins
Name
Class
Date
1.
Which process maintains uniform temperature in work by supplying cutting fluid continuously?
a)
Dry grinding
b)
Wet grinding
c)
Scraping
d)
Lapping
2.
What is the machining of process for removing the metal without cutting fluid?
a)
Wet grinding
b)
Cylindrical grinding
c)
Dry grinding
d)
Milling
3.
Which grinding method is suitable for precision grinding?
a)
Dry grinding
b)
Flexible grinding
c)
Wet grinding
d)
Angular grinding
4.
Which grinding process is suitable for close dimensional accuracy?
a)
Dry grinding
b)
Flexible grinding
c)
Angular grinding
d)
Wet grinding
5.
Which grinding process has less chancess of burning effect?
a)
Dry grinding
b)
Flexible grinding
c)
Angular grinding
d)
Wet grinding
6.
Which grinding process has no possibility in changes of structure?
a)
Wet grinding
b)
Angular grinding
c)
Flexible grinding
d)
Dry grinding
7.
What is the name of cutting fluid that has lubricating and cooling properties?
a)
Tallow
b)
Lard oil
c)
Resin
d)
Wax
8.
What is the characteristics of good cutting fluid?
a)
High viscosity
b)
Burn easily
c)
Cooling capacity
d)
Corrosion the work piece
9.
Which is a characteristic of good cutting fluid?
a)
Rancid easily
b)
High viscosity
c)
Rust the work
d)
Non- combustible
10.
What is the type of vice?
a)
Tool maker’s vice
b)
Universal vice
c)
Quick release vice
d)
Bench vice
11.
What operation is carried out in universal vice?
a)
Grinding angular surface
b)
Grinding flat surface
c)
Grinding vertical surface
d)
Grinding radius
12.
Which is created while machining?
a)
Heat and Friction
b)
Heat and Vapour
c)
Heat and Flame
d)
Heat and Temperature
13.
What is the advantage of proper selection of cutting fluids?
a)
Tools did not last longer
b)
Reduces the tool wear
c)
Increase heat and friction
d)
Decrease the production
14.
Which material require sulphurised mineral oil as cutting fluid?
a)
High carbon steel
b)
Low carbon steel
c)
Medium carbon steel
d)
Alloy steels
15.
What is the use of slupho chlorinated mineral oils?
a)
To decrease cutting tool life
b)
To increase cutting tool life
c)
Effective for tough metals
d)
Effective for ductile metals
16.
What is the use of slupho-chlorinated fatty oil blends?
a)
Light duty machining
b)
Heavy duty machining
c)
To decrease cutting tool hardness
d)
To reduce cutting tool toughness
17.
What is the use of straight mineral oils?
a)
Slower cutting
b)
To use in ferrous metals
c)
Faster cutting
d)
To use in alloy steel
18.
What is the use of fatty and mineral oil blends?
a)
High cooling property
b)
Low cooling property
c)
Ferrous metals
d)
Alloy steel
19.
What is the use of sulphurised mineral and fatty oil blends?
a)
To produce medium surface finish
b)
To produce high surface finish
c)
Low cooling property
d)
Faster penetrating
20.
What is the use of emulsifiable mineral oils?
a)
To produce high surface finish
b)
Faster rate of cutting
c)
For general cutting operation
d)
For light duty machining
21.
Which work holding device is set to any required angle while grinding?
a)
Tool makers vice
b)
Sine table
c)
Quick release vice
d)
Bench vice
22.
Which cutting fluid is used while grinding stainless steel?
a)
Mild sulphurized oil
b)
Medium sulphrized chlorinated oil
c)
Translucent soluble oil
d)
High chlorinated mild sulphurized oil
23.
What is the effect of using the cutting tool with heat and friction?
a)
Good finish in work
b)
Poor finish in work
c)
Increase the property of hardness
d)
Increase the property of toughness
24.
What is used to overcome the defects of heat and friction while machining?
a)
Brine solution
b)
Cutting fluids
c)
Air
d)
Water
100 %
