Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

A. Mild steel

B. Stainless steel

C. Carbides

D. High carbon steel

A. Decreases & increases

B. Increases & increases

C. Increases & decreases

D. Decreases & decreases

A. Viscous

B. Adhesive

C. Cohesive

D. All of these

A. A ferromagnetic material becomes paramagnetic above the 'Curie temperature'

B. Permanent magnets are made of hard materials, whereas electromagnets require soft magnetic materials

C. Soft magnetic materials (e.g., pure iron) have higher permeability and low hysterisis loss and coercive forces

D. Tungsten steel and alnico are not hard magnetic materials

A. Season cracking of brass

B. Caustic embrittlement of steel

C. Both (A) & (B)

D. Neither (A) nor (B)

A. Plastic deformation of material does not occur

B. Initiation of crack from below the surface does not occur

C. Initation of crack occurs on the surface of the machine part

D. Presence of both rough & smooth zone with conchoidal markings in smooth zone of the surface

A. 1800

B. 2000

C. 2400

D. 3000

A. Roughness of the surface

B. Fluid pressure

C. Fluid density

D. Fluid velocity

A. Barn

B. Light year

C. Angstrom

D. None of these

A. Speed of the extruded material is same as that of ram speed

B. Redundant work is a function of the die angle

C. Relative motion between the billet surface and the container wall is always present

D. Hollow ram is used for indirect extrusion