Question Set 174

31) What are the different types of screws?

Screws can be classified based on the following parameters:

·          Screw Head

·          Screw Thread Type

·          Screw Drive Type

32) What is process flow diagram?

A process flow diagram is a sketch which describes major equipment, plant streams, and key central loops show the relationship between system components. This diagram contains symbols to identify instruments and vessels it describes the primary flow course.

33) What is GD&T?

GD&T is a sort abbreviation of Geometric Dimension & Tolerance. It is a system which defines engineering tolerances.

34)  Explain bearing

Bearing is a device that is placed between two components of engine for the smoother movement. It enhances the efficiency of any machine.

35) What is the difference between pipe and a tube?

The significant difference between pipe and a tube is that a pipe can be measured based on its inner diameter. On the other hand, a tube can be measured based on the outer diameter.

36) Explain the term torque

A force that causes rotation is called torque. It is a measure of how much force is required to rotate an object.

37) What do you mean by emissive power?

It is the amount of radiation emitted per unit.

38) Define coal

Coal is a sedimentary rock that contains other elements like sulfur, oxygen, chiefly hydrogen, and nitrogen. It is the most important primary fossil fuels.

39) Differentiate between total moisture and inherent moisture of coal.

Total moisture in the coil is referred to as the moisture of the bulk as a sample while the air-dried sample is called inherent moisture.

40) What does AFBC stand for?

AFBC stands for Atmospheric Fluidized Bed Combustion.