Basic Chemical Engineering MCQs

A. Compact & rugged construction with an accuracy of 0.1 to 1%

B. No moving parts and incurs negligible deflection under load

C. Provision of thermal compensation and is hermetically sealed

D. All of the above

A. Floating hollow polypropylene spheres

B. Spraying alumina powder

C. Putting cement

D. None of these

A. Formability

B. Machinability

C. Weldability

D. Hardenarality

A. Increases

B. Decreases

C. Remains same

D. May increase or decrease (depends on the suction pressure)

A. Pneumatic ejection of abrasive solid particles through a nozzle

B. Toothpaste pouring out of the tube

C. Ejection of abrasive slurry through an opening

D. Viscous lubricant pouring out through its container’s mouth

A. Higher efficiency

B. Less fuel consumption

C. Higher power to weight ratio

D. Lower initial cost

A. 4

B. 8

C. 14

D. 20

A. Resilience

B. Toughness

C. Ductility

D. Impact strength

A. Crystallise faster

B. Resist greater tensile stress at room temperature

C. Have higher melting temperature

D. Are better conductor of electricity at higher temperature

A. Heat addition & compression ratio

B. Heat addition & pressure

C. Compression ratio & pressure

D. Cylinder dimension & rpm