111. End of spanner set make an angle of
- 20° with axis
- 15° with axis
- 30° with axis
- 60° with axis
112. The hammer body made of steel with leather on its ends is called
- Mallet
- Nylon hammer
- Raw hide hammer
- Sledge hammer
113. Hacksaw blade is made in which length ?
- 200-300 mm
- 300-500 mm
- 500-1000 mm
- 600-1200 mm
114. File raised from middle is called
- Breadth
- Convexity
- Taper
- All of these
115. Metal particles fasten in file teeth can be removed by
- File cover
- File guard
- File smoother
- File card
116. Radian is equal to
- 58.3°
- 59.4°
- 57.3°
- 60.3°
117. Chisel is used at which angle for cast iron chipping ?
- 60°
- 90°
- 30°
- 55°
118. Jib head key chamfer angle is
- 90°
- 60°
- 30°
- 45°
119. All metals are solid, except :
- Wood
- Plastic
- Mercury
- Metal
120. Hot chisel is also called hot set and its cutting angle is
- 30°
- 60°
- 90°
- 120°
121. Case hardening is done on
- Cast iron
- High carbon steel
- High speed steel
- Mild steel
122. Carbon steel temper at
- 200 °C to 300 °C
- 100 °C to 150 °C
- 400 °C to 500 °C
- 500 °C to 600 °C
123. Before using black iron sheet the operation performed is called
- Hardening
- Brazing
- Annealing
- Tempering
124. The edges made by bending is called
- Slit
- Notch
- Hem
- None of these
125. The metal is heated in brazing by three methods i.e. furnace, welding torch and
- Electrical
- Induction
- Chemical
- Mechanical
126. Soldering is which type of fastening ?
- Permanent
- Semi-permanent
- Temporary
- None of these
127. The layer of flux on metal wire is called
- Welding torch
- Welding set
- Electrode
- Transformer
128. Oxygen cylinder is made of
- Seamless steel
- Stainless steel
- Carbon steel
- None of these
129. Tap drill size of M20 is
- 18 mm
- 18.5 mm
- 17.5 mm
- 19 mm
130. Depth of square threads is
- 0.5 * P
- 0.6 * P
- 0.6412 * P
- 0.512 * P
131. An angle of B.A. thread is
- 55°
- 60°
- 47° 1/2
- 90 °
132. What is the full form of MIG ?
- Magnetic Inert Gas
- Manual Inert Gas
- Motor Inert Gas
- Metal Inert Gas
133. What is the least count of sine bar ?
- 1 Minute
- 1 Second
- 5 Minute
- None of these
134. Snagging is a process used to remove the metal by
- Filing
- Hacksawing
- Chiseling
- Grinding
135. As per I.S.I. upper deviation of hole , symbol is
- ei
- es
- ES
- eI
136. Cast iron contains how much percent of carbon ?
- 2 %
- 4%
- 6%
- 8%
137. Gun metal is an alloy of
- Copper & Zinc
- Tin & Zinc
- Copper , Zinc & Tin
- Lead, Tin & Zinc
138. During reaming, metal is cut ……… to 0.15 mm.
- 0.02 mm
- 0.06 mm
- 0.08 mm
- 0.10 mm
139.At which degree head of bolt is chamfered ?
- 30°
- 45°
- 60°
- 90 °
140. What is the formula for plain washer outer diameter ?
- 2D+1/8”
- 2D+1/4”
- 1/8 D
- 1/8+D
141.Included angle of acme thread is
- 30°
- 29°
- 47°1/2
- 60°
142Care and maintenance of machine having sudden defect is known as
- Overhauling maintenance
- Preventive maintenance
- Break down maintenance
- Routine maintenance
143. Lathe bed is made of
- Mild steel
- Stainless steel
- Cast iron
- None of these
144. Which metal turning makes long chips ?
- Cast iron
- Nickel
- Brass
- Mild steel
145. Drill gauge is known by which Drill diameter ?
- Twist
- Flat
- Centre
- All of these
146. To prevent the elasticity of long and heavy rods on lathe the device used is called
- Lathe carrier
- Tail stock
- Lathe steady
- None of these
147. How many seconds are there in angle of 5° ?
- 9000 seconds
- 1800 seconds
- 18000 seconds
- 20000 seconds
148. The coolant used in the machining of aluminum is
- Kerosene oil
- Soluble oil
- Compressed air
- Mobile oil
149. Pitch of M10*1.25 mm is
- Rough
- Coarse
- Simple
- Fine
150. Filler gauge is used to check
- Surface of roughness
- Difference between two parts
- Radius of job
- Difference between two holes
151. Which is the type of fit according to BIS ?
- Push fit
- Slide fit
- Transition fit
- Tight fit
152. Which of the following is used to connect the big diameter of pipes and tight with nut bolt to increase the length of pipe ?
- Socket
- Union
- Flange
- Elbow
153. To increase the pressure of water which of the following is used ?
- Union
- Cross
- Bend
- Reducer
154. How much technical capacity chain and sprocket gives ?
- 50%
- 70%
- 80%
- 98%
155. The jointing process by solder is called
- Brazing
- Soldering
- Riveting
- Bolting
156. Which material is used for flat shape bearing ?
- Gun metal
- Cast iron
- Tin
- Copper
157. The fastening of metal chips to the surface of wheel is called
- Glazing
- Loading
- Dressing
- Brazing
158. Best conductor of heat and electricity is
- Nickel
- Copper
- Chromium
- Aluminum
159. Locking washer is used for
- Automobile
- Milling machine
- Planner
- Lathe
160. While grinding the tools, always wear
- Helmet
- Shoes
- Switch
- Goggles
161. Circle upto 150 mm to 500 mm which of the following is used ?
- Trammel
- Compass
- Divider
- Caliper
162. Which caliper can be quickly set ?
- Firm joint
- Butt joint
- Lap joint
- Spring joint
163. Hole of hammer is generally in which shape ?
- Oval
- Round
- Half round
- Square
164. The box nut of bench vice is made of which metal ?
- H.S.S
- M.S.
- Cast iron
- Gun metal
165. Normally plier is made of
- Plastic
- Cast iron
- Cast steel
- Brass
166. The cutting angle for chisel for chipping of mild steel is
- 45°
- 50°
- 55°
- 60°
167. Vice clamp is used to protect
- Surface finish
- Roughness
- Corrosion
- Rust
168.Which plier has long jaws and with front sharp ?
- Long nose plier
- Flat nose plier
- Round nose plier
- None of these
169. Which system is a system of marking ?
- Media
- Dating
- Zeting
- Lay-out
170. Hand file is also called
- Safe edge file
- Flat file
- Square file
- Parallel file