Chemical Engineering Mcqs

Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of__________________?

(A) 1 : 1
(B) 1 : 2
(C) 2 : 1
(D) 1 : 4

Submitted By :Ali Uppal

Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of _______________ gms of zinc per m2 of steel strip ?

(A) 5-10
(B) 1000-1500
(C) 120-500
(D) 1500-3000

Submitted By :Ali Uppal

The highest stress that a material can withstand for a specified length of time without excessive deformation is called the ____________ strength ?

(A) Creep
(B) Endurance
(C) Fatigue
(D) None of these

Submitted By :Ali Uppal

________________ is a special constituent of chlorophyll without which photosynthesis is not possible ?

(A) Calcium
(B) Nitrogen
(C) Phosphorous
(D) Hydrogen

Submitted By :Ali Uppal

Steel is welded using the ________________ flame ?

(A) Carburising
(B) Neutral
(C) Oxidising
(D) All A,

Submitted By :Ali Uppal

Which of the following metals reacts violently with water ?

(A) Mercury
(B) Sodium
(C) Calcium
(D) Magnesium

Submitted By :Ali Uppal

The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively __________________?

(A) 7 and 30
(B) 10 and 50
(C) 2 and 50
(D) 13 and 55

Submitted By :Ali Uppal

Thermal efficiency of an internal combustion engine is around ______________ percent?

(A) 8
(B) 35
(C) 65
(D) 80

Submitted By :Ali Uppal

Which of the following is the most wear resistant grade of carbide used for the cutting tools ?

(A) Aluminium carbide
(B) Tungsten carbide
(C) Nickel carbide
(D) Iron carbide

Submitted By :Ali Uppal

Laser is a device to produce___________________?

(A) Gamma rays
(B) Microwaves
(C) A beam of white light
(D) A beam of coherent light

Submitted By :Ali Uppal

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