17300. The electron beam welding can be carried out in

By Admin / September 13, 2025

open air

a shielded gas environment

vacuum

a pressurised inert ga

✅ The correct answer is option C.

17298. According to I.B.R., the factor of safety of riveted joint should not be less than

17262. The virtual or equivalent eccentric for the Meyer’s expansion valve is defined as an eccentric having such a length and angle of advance that will cause cut-off to take place at the same position, as is caused by the combined effect of main eccentric and expansion eccentric.

1. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm².

Leave a Comment / Basic Chemical Engineering MCQs, Chemical Engineering, Engineering / By Admin

2. Transformer cores are normally made from

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