FITTER QUESTION 2nd year 9

 FITTER QUESTION 2nd year 9

171 Which alloying metal bearing can work at higher temperature and higher load carrying capacity? 

A Cast iron 

B White metal 

C Copper lead alloys 

D Cadmium based alloy

Correct Answer:- D Cadmium based alloy

172 What is the method of metal coating?

A Cladding 

B Sherardising 

C Galvanising 

D Electroplating 

Correct Answer:- D Electroplating

173 Which metal is used in electroplating to the metal surface to resist corrosion for long period and to retain high polish? 

A Lead 

B Nickel 

C Chromium 

D Aluminium                                                                                                                                                Correct Answer:- C Chromium 

174 Which metal protects corrosion resistant and does not crack or peel off due to temperature variation on coating? 

A Zinc 

B Nickel 

C Copper 

D Chromium

Correct Answer:- A Zinc 

175 Which corrosion resistant metal is used in chemical plant and food processing? 

A Lead

B Copper 

C Aluminium 

D Stainless steel

Correct Answer:- D Stainless steel

176 What is the purpose of thrust ball bearing? 

A Axial load 

B Radial load 

C Axial thrust load 

D Vertical thrust load

Correct Answer:- D Vertical thrust load

177 What is the name of bearing?

A Needle bearing 

B Thrust ball bearing 

C Taper roller bearing 

D Angular contact ball bearing

Correct Answer:- A Needle bearing 

178 Which bearing material is used in connecting rod and electrical motors? 

A White metal 

B Sintered alloy

C Aluminium alloy  

D Copper lead alloy                                                                                                                    Correct Answer:- D Copper lead alloy 

179 What is the operation of a metal coated with other metal to obtain protecting surface? 

A Cladding 

B Galvanising 

C Cementation 

D Electroplating

Correct Answer:- D Electroplating

180 Which metal powder is used in calorising process to prevent corrosion? 

A Zinc powder 

B Nickel powder 

C Chromium powder

D Aluminium powder

Correct Answer:- C Chromium powder

181 What is the temperature required to process the chromising for prevention of corrosion?A 900 to 1100°C 

B 1000 to 1100°C 

C 1100 to 1200°C 

D 1300 to 1400°C

Correct Answer:- D 1300 to 1400°C

182 Which metal has high resistance to chemical reaction? 

A Lead 

B Nickel 

C Copper 

D Aluminium

Correct Answer:- B Nickel 

183 What is the name of part marked ‘X’?

A Ball case 

B Inner race 

C Outer race 

D Ball separating gauge

Correct Answer:- D Ball separating gauge

184 Which bearing material is used for light loading and low speed application? 

A Cast iron 

B Tin bronze 

C Cadmium based alloy 

D Copper and lead alloys

Correct Answer:- A Cast iron

185 What is the disadvantage of thrust ball bearing? 

A Cannot take any radial load 

B Cannot take horizontal end thrust 

C Cannot take load on both directions 

D Cannot take any vertical thrust load

Correct Answer:- B Cannot take horizontal end thrust 

186 Why deep groove type of ball races provided in the ball bearing? 

A Withstand shock 

B Withstand axial thrust 

C Withstand radial load 

D Carry journal loads

Correct Answer:- B Withstand axial thrust 

187 Which bearing carry the load parallel to its bearing axis? 

A Split bearing 

B Plain bearing 

C Thrust bearing 

D Radial bearing

Correct Answer:- C Thrust bearing

188 Which bearing material is best suited for hard journals? 

A Sintered alloy

B Aluminium alloy 

C Copper lead alloy 

D Cadmium based alloy

Correct Answer:- B Aluminium alloy 

189 Which bearing material has low co-efficient of friction and high material cost? 

A Nylon 

B Teflon 

C Thrust ball bearing 

D Laminated phenolics

Correct Answer:- B Teflon

190 Which type of bearing used for taking high axial thrust load? 

A Roller bearing

B Tapered roller bearing 

C Self align roller bearing 

D Angular contact ball bearing

Correct Answer:- B Tapered roller bearing