Vidyalelo
Chemical Engineering · all questions

Chemical Engineering Basics
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

1,273

Questions

30/64

Page

Pick an option on a question to see the right answer and solution.

A metalloid possesses the characteristics of both the metals and non-metals. Which of the following is not a metalloid?

Select an option to see the answer and solution.

Hypo (sodium thiosulphate) because of its complex forming behaviour is used in photography to remove undecomposed silver bromide as a soluble complex for __________ of the picture.

Select an option to see the answer and solution.

Minimum diameter of the tube used for making water manometer should be __________ mm to avoid a correction for the effect of capillarity.

Select an option to see the answer and solution.

Steel balls are manufactured by cold heading. After cold forming, they are subjected to

Select an option to see the answer and solution.

__________ number is sometimes used in place of Grashoff number in free convection heat transfer.

Select an option to see the answer and solution.

Which of the following is the most suitable for removing fine particles (< 1 micron diameter) from air below its dew point?

Select an option to see the answer and solution.

Volute casing of a centrifugal pump does not facilitate

Select an option to see the answer and solution.

Function of gear box is to

Select an option to see the answer and solution.

Function of fusible plug in a boiler is to

Select an option to see the answer and solution.

Co-efficient of performance of a Carnot cycle refrigerator operating between - 23°C and + 27°C is

Select an option to see the answer and solution.

Which of the following gases cause global warming?

Select an option to see the answer and solution.

Principal alloying element in Elinvar (used for making hair springs for watches) is

Select an option to see the answer and solution.

The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

Select an option to see the answer and solution.

The life of a ball bearing is inversely proportional to

Select an option to see the answer and solution.

Boiler rating is normally done in terms of

Select an option to see the answer and solution.

Which of the following is not an ore of aluminium?

Select an option to see the answer and solution.

Which of the following is not an ore of aluminium?

Select an option to see the answer and solution.

Matte smelting is used in the extraction of

Select an option to see the answer and solution.

Which of the following material handling equipments is not suitable for moving materials in varying paths?

Select an option to see the answer and solution.

Earing is a defect found in steels after the following metal working operation (s).

Select an option to see the answer and solution.