7000+ Chemical Engineering Aptitude Test Questions Pdf - 1

Question: 1

Which of the following welding processes employs the highest welding temperature?

(A) thermit welding

(B) resistance welding

(C) gas welding

(D) arc welding

Question: 2

No cutting fluid is normally used while machining

(A) aluminium

(B) mild steel

(C) cast iron

(D) stainless steel

Question: 3

Which of the following alloying elements is present in maximum percentage in high speed steel?

(A) chromium

(B) tungsten

(C) vanadium

(D) molybdenum

Question: 4

With increase in carbon percentage in steel, its

(A) impact strength increases

(B) tensile strength increases

(C) elongation percent increases

(D) yield stress decreases

Question: 5

Commonly used flux for brazing is

(A) ammonium chloride

(B) rosin

(C) borax

(D) zinc chloride