SS3 First Term Metal Work Past Questions And Answers
Question: What is the primary purpose of annealing in metalwork?
A) Hardening
B) Softening
C) Corrosion resistance
D) Alloying
Answer: B) Softening
Question: Which metal is commonly used in the process of galvanization?
A) Aluminum
B) Zinc
C) Copper
D) Iron
Answer: B) Zinc
Question: What tool is specifically used for cutting external threads on a metal rod?
A) Chisel
B) Tap
C) Die
D) Hammer
Answer: C) Die
Question: In metalwork, what does the term “tempering” refer to?
A) Heating and cooling to increase hardness
B) Removing impurities
C) Shaping by hammering
D) Welding two metals together
Answer: A) Heating and cooling to increase hardness
Question: Which of the following is a non-ferrous metal?
A) Iron
B) Copper
C) Steel
D) Nickel
Answer: B) Copper
Question: What is the purpose of flux in soldering?
A) Increase hardness
B) Prevent oxidation
C) Enhance conductivity
D) Provide color
Answer: B) Prevent oxidation
Question: Which welding process uses a consumable electrode?
A) Gas welding
B) TIG welding
C) MIG welding
D) Arc welding
Answer: C) MIG welding
Question: What is the primary function of a ball peen hammer?
A) Cutting
B) Bending
C) Riveting
D) Shaping
Answer: C) Riveting
Question: What safety precaution is essential when using a grinding machine?
A) Ear protection
B) Bare hands
C) Loose clothing
D) Standing on one foot
Answer: A) Ear protection
Question: Which type of joint is commonly used in metalwork for joining two flat surfaces at a right angle?
A) Butt joint
B) Lap joint
C) T-joint
D) Corner joint
Answer: A) Butt joint
Question: What gas is commonly used in oxyacetylene welding?
A) Oxygen
B) Nitrogen
C) Hydrogen
D) Acetylene
Answer: D) Acetylene
Question: Which metal is known for its high resistance to corrosion and is often used for making cutlery?
A) Brass
B) Stainless steel
C) Aluminum
D) Bronze
Answer: B) Stainless steel
Question: What is the purpose of a center punch in metalwork?
A) Marking the center of a hole
B) Cutting metal sheets
C) Bending rods
D) Welding seams
Answer: A) Marking the center of a hole
Question: What is the primary use of a tap and die set?
A) Measuring thickness
B) Creating threads
C) Sharpening edges
D) Polishing surfaces
Answer: B) Creating threads
Question: Which metalworking process involves heating metal to a high temperature and then cooling it rapidly to increase hardness?
A) Tempering
B) Annealing
C) Quenching
D) Forging
Answer: C) Quenching
Question: What is the primary advantage of using TIG welding over MIG welding?
A) Faster welding speed
B) Greater precision
C) Lower cost
D) Less equipment required
Answer: B) Greater precision
Question: In metal casting, what is the purpose of a sprue?
A) Create a smooth finish
B) Remove impurities
C) Pour molten metal
D) Shape the mold
Answer: C) Pour molten metal
Question: Which type of file is commonly used for removing material quickly in metalwork?
A) Crosscut file
B) Flat file
C) Round file
D) Needle file
Answer: B) Flat file
Question: What is the main advantage of using stainless steel in metal fabrication?
A) High electrical conductivity
B) Resistance to corrosion
C) Low cost
D) Lightweight
Answer: B) Resistance to corrosion
Question: What safety equipment is crucial when using a welding machine?
A) Safety glasses
B) Leather gloves
C) Flip-flops
D) Earplugs
Answer: A) Safety glasses.