Chemical Engineering Basics - Study Mode

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[#1181] Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per m 2 of steel strip.

(A) 5 - 10

(B) 1000 - 1500

(C) 120 - 500

(D) 1500 - 3000

Correct Answer

(C) 120 - 500

[#1182] Stress and strain are related by __________ elastic constants for a linearly elastic, homogeneous & isotropic material.

(A) One

(B) Two

(C) Three

(D) Four

Correct Answer

(B) Two

[#1183] Induced draft fans provided in large thermal power plant boilers have __________ blades.

(A) Forward curved

(B) Backward curved

(C) Double curved

(D) Radial or straight

Correct Answer

(B) Backward curved

[#1184] The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C.

(A) 768

(B) 908

(C) 1400

(D) 1539

Correct Answer

(A) 768

[#1185] Cupola produces __________ iron.

(A) Pig

(B) Cast

(C) Wrought

(D) Carbon free

Correct Answer

(B) Cast