Workshop Technology - Study Mode

[#146] The adhesiveness is the property of sand due to which
Correct Answer

(C) It clings to the sides of a moulding box

Explanation

Solution: Adhesiveness is that properties of sand due to it adheres or cling to the sides of the moulding box. It is the property of sand due to which the sand grains stick together during ramming. It is defined as the strength of the moulding sand.

[#147] Seam welding is a
Correct Answer

(A) Continuous spot welding process

Explanation

Solution: Seam welding is a Continuous spot welding process seam welding is a variant of the basic resistance spot welding process. In seam welding a series of overlapping nuggets is produced, usually by replacing the conventional spot welding electrodes by wheels that turn as the parts to be welded are fed between them

[#148] In sheet metal work, he cutting force on the tool can be reduced by
Correct Answer

(A) Grinding the cutting edges sharp

Explanation

Solution: In a sheet metal work the cutting force on the tool can be reduced by Grinding the cutting edges sharp.

[#149] The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is
Correct Answer

(C) More than 0.3 percent

Explanation

Solution: The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is More than 0.3 percent

[#150] In average work, the tolerance produced by investment casting method is
Correct Answer

(A) ±0.05 mm

Explanation

Solution: In average work, the tolerance produced by investment casting method is ±0.05 mm