Practice Test: Question Set - 04
1. Balancing of wheel is done to
- (A) Make the
sides of the wheel parallel
- (B) Make the
outside diameter concentric with the bore
- (C) Equalize the
weight in every position of the wheel
- (D) None
of the above
2. It is commonly observed that the face of a grinding wheel becomes shiny and smooth or glazed after some use due to one of the following reasons. Choose the correct answer.
- (A) Grade of
wheel is too hard
- (B) Abrasive of
wheel is not suitable for the purpose
- (C) Grain size
is too coarse
- (D) Structure of
the wheel is too open
3. What is the trouble when grinding wheel fails to cut in a grinding machine?
- (A) Grinding
wheels grade is too soft
- (B) Grinding
wheel is glazed
- (C) Grinding
wheel is not securely mounted on spindle
- (D) Too much
feed is given
4. 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 &
cutter grinding
- (C) Internal
cylindrical grinding
- (D) External
cylindrical grinding
5. Which among the following is an artificial abrasive?
- (A) Aluminium
oxide
- (B) Emery
- (C) Diamond
- (D) Corundum
6. Which types of guide wheel in used for sharpening hand saws?
- (A) Disc
- (B) Flaring cup
- (C) Saucer
- (D) Straight cup
7. What is the surface roughness grade obtained by cylindrical grinding?
- (A) N4
- (B) N5
- (C) N6
- (D) N7
8. A grinding wheel marked with 'C' is made with the abrasive
- (A) Aluminium
oxide
- (B) Silicon
carbide
- (C) Diamond
- (D) Corundum
9. The effect of using a glazed or loaded wheel is
- (A) More heat
generation
- (B) Poor surface
finish
- (C) Excessive
cutting pressure between the wheel face and the work surface
- (D) All of the
above
10. Grinding with a balanced grinding wheel will make it possible to achieve the required
- (A) Dimensional
accuracy with surface finish
- (B) Positional
tolerance surface finish only
- (C) Positional
tolerance
- (D) Pattern of
lay
11. What denotes by ‘5’ in the (A60H5V8) mentioned marking system of grinding wheel?
- (A) Grade
- (B) Structure
- (C) Grain size
- (D) Type of
abrasive
12. Which grinding is the wet grinding?
- (A) Surface
grinding
- (B) Bench
grinding
- (C) Pedestal
grinding
- (D) Flexible
grinding
13. Which one of the following bonds is most commonly used on grinding wheels?
- (A) Vitrified
- (B) Rubber
- (C) Shellac
- (D) Silicate
14. What is the name, if the rate at which a point on the work surface pass a point on the wheel surface?
- (A) Work speed
- (B) Cutting
speed
- (C) Spindle
speed
- (D) Surface
speed
15. What type of abrasives are used for grinding high tensile strength materials like carbon steels. high speed steels?
- (A) Silicon
carbide
- (B) Aluminium
oxide
- (C) Green
silicon carbide
- (D) Corundum
Next Tests:
Blogger Comment
Facebook Comment