Workshop Technology Quiz | Workshop Technology Short Questions and Answers

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Questions
41 The metal patterns as compared to wooden patterns require less
A Shrinkage allowance
B Machining allowance
C Draft allowance
D Distortion allowance

Answer: Draft allowance
42 According to Indian standards, the total numbers of tolerance grades are
A 8
B 12
C 18
D 20

Answer: 18
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43 The chisel used for cutting key ways is
A Flat chisel
B Cape chisel
C Round nose chisel
D Diamond pointed chisel

Answer: Cape chisel
44 Lancing is the operation of
A Cutting a sheet of metal in a straight line along the length
B Removal of metal to the desired shape from the edge of a plate
C Cutting a sheet of metal through part of its length and then bending the cut portion
D Bending a sheet of metal along a curved axis

Answer: Cutting a sheet of metal through part of its length and then bending the cut portion
45 When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as
A Die casting method
B Slush casting method
C Permanent mould casting method
D Centrifugal casting method

Answer: Permanent mould casting method
46 The welding process used in joining mild steel shanks to high speed drills, is
A Spot welding
B Seam welding
C Flash butt welding
D Upset butt welding

Answer: Flash butt welding
47 Which one of the following material will require the largest size of riser for the same size of casting?
A Aluminium
B Cast iron
C Steel
D Copper

Answer: Steel
48 The advantage of Thermit welding is that
A All parts of the weld section are molten at the same time
B Weld cools almost uniformly
C Results in a minimum problem with internal residual stresses
D All of the above

Answer: All of the above
49 Loam sand is a mixture of
A 30% sand and 70% clay
B 50% sand and 50% clay
C 70% sand and 30% clay
D 90% sand and 10% clay

Answer: 50% sand and 50% clay
50 The teeth of hacksaw blade are bent
A Towards right
B Towards left
C Alternately towards right and left and every third or fourth left straight
D May be bent in any direction

Answer: Alternately towards right and left and every third or fourth left straight
51 Structural sections such as rails, angles, I-beams are made by
A Hot rolling
B Hot drawing
C Hot piercing
D Hot extrusion

Answer: Hot rolling
52 Metal patterns are used for
A Small castings
B Large castings
C Complicated castings
D Large scale production of castings

Answer: Large scale production of castings
53 When more volume of acetylene and less volume of oxygen is supplied, then a ________ flame is obtained.
A Neutral
B Oxidizing
C Carburising
D None of these

Answer: Carburising
54 The process of decreasing the cross-section of a bar and increasing its length, is called
A Drawing down
B Upsetting
C Spinning
D Peening

Answer: Drawing down
55 Cutting and forming operations can be performed in a single operation in a
A Simple die
B Progressive die
C Compound die
D Combination die

Answer: Combination die
56 In a cold chamber die casting machine
A Melting pot is separate from the machine
B Melting pot is an integral part of the machine
C Melting pot may have any location
D Low temperature and pressure is used

Answer: Melting pot is separate from the machine
57 Seam welding is best adopted for metal thickness ranging from
A 0.025 to 3 mm
B 3 to 5 mm
C 5 to 8 mm
D 8 to 10 mm

Answer: 0.025 to 3 mm
58 In order to check the clearance between two mating surfaces, a ________ gauge should be used.
A Ring
B Plug
C Feeler
D None of these

Answer: Feeler
59 The hot working of metals is carried out
A At the recrystallisation temperature
B Below the recrystallisation temperature
C Above the recrystallisation temperature
D At any temperature

Answer: Above the recrystallisation temperature
60 In blanking operation, the clearance is provided on
A Punch
B Die
C Half on the punch and half on the die
D Either on punch or die depending upon designer's choice

Answer: Punch

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