Diploma CET Mechanical Question Paper - 2013 with Answer Key

Diploma CET Mechanical Question Paper - 2013 with Answer Key

70) The process of increasing the length of a bar at the expense of width or thickness is called

Answer is:

Drawing

71) The operation of producing circular holes in a sheet metal is

Answer is:

Punching

Explanation:

The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called punching.

72) In MIG welding for steel, gas is used.

Answer is:

carbon dioxide

73) The operation of giving impression of figures, letter or designs on sheet metal parts is called

Answer is:

Embossing

74) The unit of pressure is

Answer is:

All the above

The unit of pressure is

11
12
13
14
15
16
17