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Workshop Technology

Workshop Technology
A zinc diffusion process is called

Sherardizing
Parkerising
Galvanizing
Anodizing

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Workshop Technology
When the dimension is expressed as 20­ -0.025 ⁺⁰∙⁰³⁵, then the basic size is

19.975 mm
20.025 mm
20.035 mm
20 mm

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Workshop Technology
In average work, the tolerance produced by investment casting method is

+05 mm
±0.05 mm
+1 mm
+0.2 mm

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Workshop Technology
In forehand welding, the angle between the welding rod and the work is kept as

30°-40°
60°-70°
50°-60°
40°-50°

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Workshop Technology
A hacksaw blade is specified by its

Number of teeth
Material
Width
Length

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Workshop Technology
A casting defect which results in general enlargement of a casting is known as

Shift
Sand wash
Swell
Scab

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