2016 FITTER THEORY SEM-IV

2016 FITTER THEORY SEM-IV

1.The following is machined dry.

a) Aluminium   

b) Cast iron   

c) Titanium  

d) All of these

Answer:- b) Cast iron   

2.The following device is used to

determine the mix ratio of water-

soluble coolanls:
a) Diffract meter     

b) Hydrometer

c) Refract meter      

d) None of these

Answer:- c) Refract meter      

3.The use of metal working fluids_.

a) Increase the tool life

b) Produce better surface finish

c) Prevent rise in temperature

d) All of these

Answer:- d) All of these

4.The main constituent(s) of

mineral oil is/are_.

a) Paraffin

b) Naphthenic

c) Aromatics

d) All of these

Answer:- d) All of these

                       

5.The following is used in heat

treatment process as a quenching

medium for obtaining
a higher degree of hardness.

a) Mineral oil       

b) Fatty acid

c) Waxes     

d)Graphite suspensions

Answer:- b) Fatty acid

6.Which of the following is added

 to the cutting fluids so that soapy

film is produced between the work piece

& tool and  chip & tool face?

a) Sulphur

b) Chlorine

c) Both (a) & (b)     

d) None of these

Answer:- c) Both (a) & (b)

7.Soluble oil is used as cutting

fluid in .............

a) Sawing

b) Drilling and boring

c) Reaming

d) All of these

Answer:- d) All of these

8.Usually no cutting oil is used in ....

a) Broaching

b) Planning and  shaping

c) Thread rolling

d) Honing

Answer:- b) Planning and  shaping

9.Choose name of the bolt.

a) Gib Headed foundation boit

b) Cotter foundation bolt

c) Through foundation bolt

d) Eye foundation bolt

Answer:- d) Eye foundation bolt

10. ............... are used to separate

the tramp oil (sump oil) from coolant.

a) Magnetic separators

b) Skimmers

c) Rotating spindles

d) All of these

Answer:- b) Skimmers