Fixed Temperature Heat Detectors
Fixed temperature heat detectors are devices that are used for detecting heat in a particular area. They are usually placed in a fixed location, for … Read more
Rate of Rise Heat Detectors
Rate of rise heat detectors is a type of heat detector that responds when its element sense the increased temperature of thermal energy of a … Read more
Fire Alarm System- Working, Components and Types
A fire alarm system is a type of network consisting of a number of devices that are working together for the purpose of detecting and … Read more
Direct Acting Control Valves & Reverse Acting Control Valves
In this article, we will discuss Direct Acting Control Valves & Reverse Acting Control Valves. Actuators are categorized as direct acting and reverse acting. Actuators … Read more
What is Power Transformer Diagram?
We can know the different components of the transformer and connections by a power transformer diagram. The power transformer diagram shows the interconnections of the … Read more
Surge Current Causes and Prevention
Surge current is the abnormally high current drawn by the electrical or electronic devices at startup. After a short period of time, the current returns … Read more
Time Delay Fuses | Dual Element Fuses | Slow Blow Fuses
Time delay fuses do not blow out on momentarily current spikes and provide protection against overload and short circuit. They are used for those applications … Read more
XNOR Gate: Symbol and Truth Table
XNOR gate is a hybrid gate. It is a combination of the XOR gate and NOT gate. The XNOR gate outputs 1 when both of … Read more
Light Emitting Diode(LED): Principle, Classification, Operation, Applications
LED is a small light source by electron movement through a semiconductor material. The semiconductor families can be incorporated into devices that emit light over … Read more
What is a Varactor Diode? Symbol, Working, Characteristics, Applications
The varactor diode is a type of diode whose internal capacitance depends on the reverse voltage. The junction capacitance varies with variation in the reverse … Read more