Chemical Engineering Mcqs

The usual energy consumption in electric arc furnace steel making is _____________ KWh/ton of steel ?

(A) 60 – 100
(B) 400 – 700
(C) 1200 -1500
(D) 2000 – 2300

Submitted By :Ali Uppal

Which of the following does not have a sharp melting point ?

(A) Thoria
(B) Glass
(C) Ice
(D) Pig iron

Submitted By :Ali Uppal

The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is ______________ BTU/hr?

(A) 100
(B) 200
(C) 1000
(D) 2000

Submitted By :Ali Uppal

For preparation of porous bearings by powder metallurgy, preferred particle shape is___________________?

(A) Spherical
(B) Nodular
(C) Irregular
(D) No preferred shape

Submitted By :Ali Uppal

_______________ is the hardest oxide and is hence used where high wear resistance at high temperature is required?

(A) Beryllium
(B) Zirconia
(C) Alumina
(D) Magnesia

Submitted By :Ali Uppal

Cobalt – 60 is used as a source of _____________ in medical therapy & industrial radiography?

(A) X-rays
(B) γ-rays
(C) α-rays
(D) β-rays

Submitted By :Ali Uppal

__________________ is used for tying the steel columns to concrete foundation?

(A) Grouting
(B) Eyebolt
(C) Anchor bolts
(D) Refractory castables

Submitted By :Ali Uppal

Alloys having more than 80% copper are generally more______________________?

(A) Abrasion resistant
(B) Corrosion resistant
(C) Prone to season cracking
(D) Machinable

Submitted By :Ali Uppal

Friction factor for fluid flow in pipe does not depend upon the________________?

(A) Pipe length
(B) Pipe roughness
(C) Fluid density & viscosity
(D) Mass flow rate of fluid

Submitted By :Ali Uppal

A material in which the atoms are arranged regularly in some directions but not in others, is termed as ‘mesomorphous material’; an example of which is_________________?

(A) Lead
(B) Glass
(C) Mica
(D) Silver

Submitted By :Ali Uppal

Previous
First
....
34
35
36
37
38
....
811
Next