Write the answer correctly in the box mentioned below

1. Which reference plane is served as datum surface in machine shop?

A 'v' block

B Angle plate

C surface plate

D scribing block

2. Which material is used to make surface plate retain their accuracy even scratched?

A Granite

B Tool steel

C Mild steel

D Carbon steel

3. Where the smaller surface plate is placed?

A Floor

B Iron stands

C Benches

D Wooden stool

4. How many grades of surface plates are available in machine shop work?

A One grade

B Two grades

C Four grades

D Three grades

5. Which grade surface plate is more acceptable than the other two grades?

A Grade 0

B Grade 1

C Grade 2

D Grade 3

6. Which factors are taken to designate surface plates?

A Type of material

B Length, breadth and grade

C Length, breadth and the Indian standard number

D Length, breadth, grade and the Indian standard number

7. Where the larger surface plate is placed?

A Floor

B Wooden table

C Bench

D Iron stands

8. Why the rigid are provided under the surface plates?

A For accuarcy

B For steadiness

C For reducing weight

D To increase the weight

9. Which equipment is shown in figure?

A Metal plate

B Base plate

C Surface plate

D Marking table

10. What is the name of the part marked 'x'?

A Heavily ribbed underside

B Accurately scraped flat surface

C Three point suspension for steadiness

D Edge straight and square to each other