FITTER THEORY

FITTER THEORY 

Which of the following is not related to marking media?

a) Layout Die   b) Prussian Blue   c) Surface plate   d) None of these

Answer:c) Surface plate

There is negative error 0.03 mm in any micrometer. If the micrometer gives the reading

of 40.53 mm, then what will be the accurate readings?

a) 40.50 Millimeter   b) -10.56 Millimeter   c.140.83 Millimeter   d) 40.23Millimeter

While marking from Vernier height gauge, it should be moved by holding its base in such

a way that: -

a) Main scale should bend

b) Zero error or main scale should check

c) Main scale should  not bend

d) Base of the offset scriber should be parallel to the surface prate

Answer:c) Main scale should  not bend

Maximum keys are rnade up of: -

a) High speed steel 

b) Mild steel

c) Cast iron 

d) Pig iron

Answer:b) Mild steel