Fitter – Semester 3, Module 1

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Fitter – Semester 3, Module 1 - Assembly

Common for All Fitter Trade 2nd Year part -4

NAME *

NAME OF THE ITI *

MOBILE NUMBER *

121 What is marked as ‘X’? *

2 points

A Thread ring gauge - Go

B Thread ring gauge - No Go

C Ring gauge

D Thread pitch gauge

122 What is the name of gauge? *

2 points

A Thread ring gauge

B Thread plug gauge

C Thread pitch gauge

D Taper plug gauge

123 What is the quenching media used in heat treatment to obtain faster rate of cooling? *

2 points

A Brine solution

B Air

C Oil

D Water

124 What is marked as ‘X’ ? *

2 points

A Upper critical temperature

B Lower critical temperature

C Austenite

D Ferrite

125 What is the angle of elbows and bends that provide diversions? *

2 points

A 90° & 45°

B 30° & 60°

C 20° & 40°

D 70° & 120°

126 What type of screws are used in the places were frequent removal and assembling? *

2 points

A Square head screws

B Hexagon socket head cap screws

C Round head screws

D Cheese head screws

127 What type of nuts are used in coach building work? *

2 points

A Square nut

B T-nuts

C Wing nuts

D Cap nuts

128 What is the name of nut having top part in cylindrical shape and bottom part in hexagonal shape? *

3 points

A Slotted nut

B T - Nuts

C Cap nuts

D Castle nuts

129 Which type of machine screw used in heavy duty assembly work *

2 points

A Pan head screw

B Cheese head screw

C Round head screw

D Hexagon head screws

130 Which type of machine screw is used in light assembly work? *

2 points

A Hexagon head screw

B Cheese head screw

C Hexagon socket head cap screws

D Square head counter sink head screws

131 Which file with sharp and parallel teeth use don soft and non metallic materials *

2 points

A Pillar file

B Tinker file

C Dreadnaught file

D Warding file

132 Which file used as finishing tool and ensure precision smoothness? *

2 points

A Swiss pattern file

B Pillar file

C Dreadnaught file

D Warding file

133 What is the thickness range of BIS set offeeler gauge? *

2 points

A 0.01 mm to 1 mm in steps of 0.01 mm

B 0.02 mm to 1 mm in steps of 0.02 mm

C 0.03 mm to 1 mm in steps of 0.01 mm

D 0.04 mm to 1 mm in steps of 0.01 mm

134 What is the height of slip gauge (q = 25° =0.4226)? *

2 points

A 41.26

B 42.26

C 43.26

D 44.26

135 What is the instrument used for measuring internal diameter of work piece? *

2 points

A Parallel leg caliper

B Outside caliper

C Pair of special jaws by using slip gauge

D Vernier caliper

136 What is the calibration grade of slip gauges? *

2 points

A Grade 0

B Grade 00

C Grade I

D Grade II

138 What is the method of build of size using slip gauge? *

2 points

OA Wringing

B Sliding

C Glazing

D Loading

139 What is the gauge used? *

2 points

A Thread ring gauge

B Thread plug gauge

C Screw pitch gauge

D Thread caliper gauge

140 What is the purpose of ring gauge? *

2 points

A Check the outside diameter

B Check the holes diameter

C Check the tapered shaft diameter

D Check the outside threads

141 What is the range of size in individual radius gauges? *

2 points

A Step of 1mm

B Step of 0.5mm

C Step of 1.5mm

D Step of 2mm

142 What is the gauge to check acceptable size on external diameter of a shaft? *

2 points

A Ring gauge - Go

B Plug gauge - Go

C Ring gauge - No Go

D Plug gauge - No Go

143 What is the finishing process carried out with abrasive sticks to correct the profile of internal cylindrical surfaces? *

3 points

A Lapping

B Honing

C Grinding

D Filing

144 Which lapping material used for easy charging and rapid cutting? *

2 points

A Cast iron

B Copper and brass

C Close grained iron

D White cast iron

145 Which lap material is inexpensive and can be expanded if worn out *

2 points

OA Brass

B Cast iron

C Lead

D Bronzeption 1

146 Which type of abrasive material is externally hard and used in lapping for heavy stock removal? *

2 points

A Silicon carbide

B Aluminium oxide

C Boron carbide

D Diamond

147 Which abrasive is used for lapping dies and gauges? *

2 points

A Boron carbide

B Silicon carbide

C Diamond

D Aluminium oxide

148 Which is the hardest of all abrasive materialand used for lapping tungsten carbide? *

2 points

A Silicon carbide

B Boron carbide

C Diamond

D Aluminium oxide

149 What is the abrasive used for lapping accurately finishing very small holes? *

2 points

A Silicon carbide

B Diamond

C Boron carbide

D Aluminium oxide

150 What is the purpose of lapping vehicles? | *

2 points

A Regulate cutting action and lubricate surface

B Medium effective operation

C Decrease dimensional accuracy

D Decrease cutting ability

151 Which lapping vehicle is used for lapping copper and its alloys? *

2 points

A Vegetable oil

B Machine oil

C Soluble oil

D Petroleum jelly

152 What is the purpose of lapping tool? *

2 points

A Lapping tool for external surface | बाहरी सतह

B Lapping tool for internal surface

C Lapping tool for external cylindrical surface |

D Lapping tool for internal cylindrical surfac

153 What is the temperature that change of structure to austenite starts at 723° in heat treatment process? *

2 points

A Lower critical temperature

B Upper critical temperature

C Melting temperature

D Critical temperature

154 What is the process if hot steel is cooled slowly the old structure is retained and it will have fine grains that makes it easily machined? *

2 points

A Annealing

B Hardening

C Tempering

D Normalising

155 What is the name if hot steel cooled rapidly to form a new structure ? *

2 points

A Ferrite

B Austenite

C Martensite

D Pearlite

156 What is the process to add cutting ability and wear resistance on steel? *

2 points

A Tempering

B Annealing

C Normalising

D Hardening

157 What is the heat treatment process to remove extreme brittleness and induce toughness and shock resistance in steel? *

2 points

A Tempering

B Annealing

C Normalising

D Hardening

158 What is the process of steel being heated to required temperature and held in the same temperature for a period of time? *

2 points

A Soaking

B Heating

C Quenching

D Hardening

159 What is the purpose of brine solution, water,oil and air used in heat treatment process? *

2 points

A Soaking

B Quenching

C Heating

D Austenite

160 What quenching media is used for special alloy steels? *

2 points

A Brine solution

B Water

C Oil

D Cold Air

161 What is the heat treatment process of reheating the hardened steel to a temperature below 400°C followed by cooling *

2 points

A Tempering

B Hardening

C Annealing

D Normalising

162 What is the advantage of annealing *

2 points

A To relieve the internal stress

B To add cutting ability

C To refine the grain structure of the steel

D To increase wear resistance

163 What is the process of removing the internal defects of steel components? *

2 points

A Annealing

B Normalising

C Hardened

D Tempering

Option 2

164 Which key is used for transmitting light torque? *

2 points

A Saddle key

B Woodruff key

C Gib head key

D Feather key

165 How the mechanical properties of steel like strength, toughness, ductility are affected? *

2 points

A By tempering

B By hardening

C By annealing

D By normalising

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