Workshop Technology Quiz | Workshop Technology Objective Type Questions and Answers

Questions
21 Which of the following statement is wrong?
A The mortise gauge has two scribing pins
B The gouges are chisels with a hollow shaped blade
C An auger is a planing tool
D All of these

Answer: An auger is a planing tool
22 The mode of deformation of the metal during spinning is
A Bending
B Stretching
C Rolling and stretching
D Bending and stretching

Answer: Bending and stretching

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23 In forehand welding, the weld is made
A From left to right
B From right to left
C First from left to right and then from right to left
D Either from left to right or from right to left

Answer: From right to left
24 The temperature at which the new grains are formed in the metal is called
A Lower critical temperature
B Upper critical temperature
C Eutectic temperature
D Recrystallisation temperature

Answer: Recrystallisation temperature
25 The surface to be left unmachined is marked on the pattern by
A Red colour
B Yellow colour
C Black colour
D Blue colour

Answer: Black colour
26 The operation of bending a sheet of metal along a curved axis, is known as
A Plunging
B Notching
C Slitting
D Forming

Answer: Forming
27 In a ________, two or more operations are performed simultaneously at the single stroke of the ram.
A Simple die
B Progressive die
C Combination die
D Compound die

Answer: Progressive die
28 A jolt machine is used to
A Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould
B Ram the sand harder at the back of the mould and softer on the pattern face
C Produce uniform sand hardness throughout the mould
D Produce uniform packing of sand in the mould

Answer: Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould
29 The metal extrusion process is generally used for producing
A Uniform solid sections
B Uniform hollow sections
C Uniform solid and hollow sections
D Varying solid and hollow sections

Answer: Uniform solid and hollow sections
30 A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct?
A The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction
B The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction
C The bottom and middle roll rotate in the same direction
D Any one of the above

Answer: The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction
31 A zinc diffusion process is called
A Sherardizing
B Galvanizing
C Anodizing
D Parkerising

Answer: Sherardizing
32 In backhand welding, the angle between the welding rod and the work is ________ as compared to forehand welding.
A Same
B Less
C More
D None of these

Answer: Same
33 The cross-section of a chisel is usually
A Rectangular
B Square
C Hexagonal
D Octagonal

Answer: Octagonal
34 Which of the following statement is wrong?
A The angular clearance on dies varies from 0.5° to 1°
B In drawing operation, the metal flows due to plasticity
C In press operation, the size of the pierced hole is independent of the size of punch
D None of the above

Answer: None of the above
35 If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be
A 10 mm/m
B 16 mm/m
C 20 mm/m
D 26 mm/m

Answer: 26 mm/m
36 The property of sand due to which the sand grains stick together is called
A Collapsibility
B Permeability
C Cohesiveness
D Adhesiveness

Answer: Cohesiveness
37 In welding copper alloys with TIG arc welding
A Direct current with straight polarity is used
B Direct current with reversed polarity is used
C Alternating current is used
D Any one of these

Answer: Direct current with straight polarity is used
38 In welding magnesium with TIG arc welding, direct current with ________ is used.
A Straight polarity
B Reversed polarity
C Both (A) and (B)
D None of these

Answer: Reversed polarity
39 For gas welding, the pressure desired at the welding torch for acetylene is
A 7 to 103 kN/m²
B 70 to 280 kN/m²
C 280 to 560 kN/m²
D 560 to 840 kN/m²

Answer: 7 to 103 kN/m²
40 For gas welding, the pressure desired at the welding torch for oxygen is
A 7 to 103 kN/m²
B 70 to 280 kN/m²
C 280 to 560 kN/m²
D 560 to 840 kN/m²

Answer: 70 to 280 kN/m²
ADRE 3.0 Complete Study Material