Chemical Engineering Mcqs

Thermosetting resins are those polymers, which__________________?

• (A)  Do not increase in plasticity with rise in temperature
• (B)  Allow slip to occur between molecules
• (C)  Do not take on a permanent set
• (D)  None of these

Answer

Submitted By :Ali Uppal

Dies for wire drawing are generally made of__________________?

• (A)  Mild steel
• (B)  Stainless steel
• (C)  Carbides
• (D)  High carbon steel

Answer

Submitted By :Ali Uppal

Pick the odd man out of the following?

• (A)  Calorising
• (B)  Pack carburising
• (C)  Nitriding
• (D)  Cyaniding

Answer

Submitted By :Ali Uppal

A material no longer behaves elastically beyond_________________?

• (A)  Plastic limit
• (B)  Limiting load
• (C)  Elastic limit
• (D)  Breaking load

Answer

Submitted By :Ali Uppal

Glass lined vessels are not used for handling__________________?

• (A)  Dilute H2SO4
• (B)  Dilute HNO3
• (C)  Dilute HCI
• (D)  Hydrofluoric acid

Answer

Submitted By :Ali Uppal

Which of the following is the most elastic material ?

• (A)  Plastic
• (B)  Glass
• (C)  Steel
• (D)  Rubber

Answer

Submitted By :Ali Uppal

Materials having _____________ lattice structure are usually most ductile?

• (A)  FCC
• (B)  BCC
• (C)  HCP
• (D)  Cubic

Answer

Submitted By :Ali Uppal

____________ alloys have the highest specific strength of all the structural materials out of the following?

• (A)  Magnetic steel
• (B)  Titanium
• (C)  Chromium
• (D)  Magnesium

Answer

Submitted By :Ali Uppal

A material capable of undergoing large permanent deformation, when subjected to compression is termed as___________________?

• (A)  Malleable
• (B)  Ductile
• (C)  Brittle
• (D)  None of these

Answer

Submitted By :Ali Uppal

The behaviour of visco-elastic material is time dependent. This behaviour is common in _____________ materials?

• (A)  Non-crystalline solid
• (B)  Crystalline
• (C)  Rubbery
• (D)  Non-crystalline organic polymeric

Answer

Submitted By :Ali Uppal