Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

A. Equivalant annual cost

B. Rate of return

C. Present net worth

D. Capitalised cost

A. Mix air-fuel in the desired ratio

B. Maintain a constant speed at varying loads

C. Adjust the stroke length

D. Increase the compression ratio

A. Throttle valve

B. Carburettor

C. Both A & B

D. Neither A nor B

A. Nipple

B. Socket

C. Union

D. Bell and spigot

A. Diamagnetic

B. Ferromagnetic

C. Ferroelectric

D. Piezoelectric

A. Cracks and blow holes are eliminated

B. Ductility and impact strength improves

C. Appreciable strain hardening is produced

D. Yield stress, hardness and fatigue strength is not at all affected

A. Ductility

B. Damping characteristics

C. Hardness

D. Malleability

A. Ductility

B. Damping characteristics

C. Hardness

D. Malleability

A. Critical temperature

B. Recrystallisation temperature

C. Phase transformation temperature

D. Transition temperature

A. Cold cracking of a weld is due to the presence of hydrogen gas in the weld

B. True stress is given by, σ = σE (1 + εE), where σE and εE are engineering stress and engineering strain respectively

C. Phosphorous can be easily recovered in the iron blast furnace

D. High residual stress at the surface is beneficial for fatigue properties of a material