Technical Editor, Author at Polytechnic Hub

Write advantages and disadvantages of pulverized coal

Advantages of pulverized coal It increases the efficiency of the boiler. It makes possible the use of wide variety of coal. It reduces time of raising temperature of steam. Combustion…

Technical Editor January 8, 2018

Electrical Articles

Explain cooling water cycle of a thermal power station

The condenser needs large amount of cooling water to condense the steam. This cooling water is circulated from lake or river, by means of circulating water pump and is returned…

Technical Editor January 8, 2018

Electrical Articles

Comparison between electric drive and mechanical drive

Electric drive Mechanical drive electric drive is dependent of electric supply, electric traction system is tried up to electrified routes only. It is self-contained unit and therefore can be suitable…

Technical Editor December 8, 2017

Electrical Articles

what is group drive ?

when one prime mover or motor is used for the number of machine tools on common shaft then the drive is called as group drive . it is also sometimes…

Technical Editor December 8, 2017

Electronics Articles

RISC architecture

RISC stands for reduced instruction set computer. It is a type of microprocessor architecture which utilizes a small, highly optimized instructions set rather than a more specialized set of instructions normally…

Technical Editor November 17, 2017

Electronics Articles

Advantages, disadvantages and applications of FHSS

Advantages: There are some advantages of frequency hopping spread spectrum (FHSS) which are given below, It can be programmed to avoid some portions of spectrum . FHSS needs shorter time…

Technical Editor November 17, 2017

Electronics Articles

Difference between slow frequency hopping and fast frequency hopping

Following are the difference between slow frequency hopping and fast frequency hopping. Slow frequency hopping Fast frequency hopping In slow frequency hopping, multiple symbols are transmitted in one frequency hop.…

Technical Editor November 17, 2017

Electronics Articles

CISC architecture

The CISC stands for complex instruction set computer. It is read only memory (ROM) based processor architecture which are designed with a full set of instruction that were intended to…

Technical Editor November 16, 2017

Electronics Articles

Advantages and disadvantages and applications of time division multiplexing (TDM)

Advantages: There are some advantages of time division multiplexing which are given below, Time division multiplexing systems are more flexible than frequency division multiplexing. Time division multiplexing circuitry is not…

Technical Editor November 16, 2017

Electronics Articles

Difference between N-type semiconductors and P-type semiconductor

Following are the difference between N-type semiconductors and P-type semiconductor. N-type semiconductor P-type semiconductor It is type extrinsic semiconductor. It also type of extrinsic semiconductor. In N-type semiconductor, electrons are…

Technical Editor November 15, 2017