Chemical Engineering Basics - Practice Test

[#526] Which of the following mainly decides the current to be employed is arc welding?

(A) Electrode size

(B) Plate thickness

(C) Voltage across the arc

(D) Welded portion length

Correct Answer

(A) Electrode size

[#527] The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

(A) Same

(B) Slightly less

(C) Slightly more

(D) Much more

Correct Answer

(C) Slightly more

[#528] The radioactive isotope of hydrogen is

(A) Deuterium

(B) Tritium

(C) Protium

(D) None of these

Correct Answer

(B) Tritium

[#529] In the floatation process, pine oil is used as the

(A) Collector

(B) Activator

(C) Frother

(D) Depressant

Correct Answer

(C) Frother

[#530] Normalising does not __________ of a metal.

(A) Improve machinability & tensile strength

(B) Remove internal stresses

(C) Refine the structure

(D) Remove strains caused by cold working

(E) Improve machinability & tensile strength

(F) Remove internal stresses

(G) Refine the structure

(H) Remove strains caused by cold working

Correct Answer

(B) Remove internal stresses
(F) Remove internal stresses

Chemical Engineering Basics - Study Mode

[#526] Which of the following mainly decides the current to be employed is arc welding?

Correct Answer

[#527] The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

Correct Answer

[#528] The radioactive isotope of hydrogen is

Correct Answer

[#529] In the floatation process, pine oil is used as the

Correct Answer

[#530] Normalising does not __________ of a metal.

Correct Answer