chemical engineering chemical engineering basics MCQs – Page 39

Practise multiple-choice questions from chemical engineering chemical engineering basics for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

chemical engineering chemical engineering basics Mcqs
761. Glass reacts with___________________?
comments icon0
A. HF

B. HNO3

C. K2Cr2O7

D. H2SO3

762. Pick out the wrong statement?
comments icon0

A. e imperfections

B. sed by the formation and coalescence of voids in the necked region

C. Ductile fracture of a stressed material, which exhibits a large plastic deformation is commonly

D. Fatigue fracture of a material is always brittle in nature and takes place due to the existence of

E. Brittle materials are generally tested in tension

F. Brittle fracture is caused by the propagation of pre-existing cracks in the material and involves minimum plastic deformation
763. Thermal equivalent of electrical power in practical calculation is _______________ kcal/kWh ?
comments icon0

A. 550

B. 746

C. 3000

D. 1000

764. An example of unsteady non uniform flow is the flow of liquid under pressure through a__________________?
comments icon0

A. Tapering pipe at constant flow rate

B. Tapering pipe at either decreasing or increasing flow rate

C. Long pipeline of constant diameter

D. None of these

765. A material being tested for endurance strength is subjected to the _______________ load ?
comments icon0

A. Impact

B. Completely reversed

C. Static & dynamic

D. Dynamic

766. The laughing gas is__________________?
comments icon0
A. Nitrous oxide

B. Nitrogen trioxide

C. Nitrogen pentoxide

D. Nitric oxide

767. The minimum temperature to which the water can be cooled in a cooling tower is the ______________ temperature of air?
comments icon0

A. Dry bulb

B. Ambient

C. Wet bulb

D. Dew point