Category Archives: Mechanical Engineering

Stroboscope | Mechanical stroboscope | Working, Construction, advantages and Disadvantages

Stroboscope |Mechanical stroboscope | Working | Construction | Advantages of stroboscope | Disadvantages of stroboscope | Limitations Stroboscope : Construction and working of stroboscope : 1)The stroboscope is a simple, portable manually operated device which may be used for measurement of periodic or rotary motions. 2) Basically, the instrument is a source of variable frequency… Read More »

Tachometer | Photoelectric tachometer | Contactless type tachometer | Inductive and Capacitive Pick up

Tachometer | Photoelectric tachometer | Contactless type tachometer | Inductive pick up | Capacitive Pick up | Advantages | Disadvantages Tachometer : In this article we learn 2 types of tachometer with details. A) Photoelectric tachometer : 1) Fig. 5.5.5 shows the photoelectric tachometer. 2) This method of measuring speed of rotation consists of mounting… Read More »

Tachometer | Slipping clutch, Drag Cup or Eddy current tachometer | Variable reluctance tachometer

Tachometer | Slipping clutch tachometer | Drag Cup or Eddy current tachometer | Variable reluctance tachometer |Types | Advantages and Disadvantages Slipping clutch tachometer : It is a mechanical type tachometer. It uses mechanical movements for the measurement speed. A rotary shaft whose speed is to be measured is connected to indicator shaft with the… Read More »

Dynamometer | Eddy current dynamometer | Strain gauge transmission dynamometer | Advantages and Disadvantages |

Dynamometer | Eddy current dynamometer | Strain gauge transmission dynamometer | Advantages and Disadvantages | Limitations and diagram. Dynamometer : A) Eddy Current Dynamometer : 1) Eddy current is the type of absorption type dynamometer. 2) It consists of non-magnetic solid metallic rotor, which moves to the magnetic field of stator The stator winding is… Read More »

Speed Measurement and it’s types | Mechanical and Electrical tachometer

Speed Measurement | Types of speed Measurement and tachometer | Mechanical tachometers | Electrical tachometer and their types. | Some information about mechanical tachometer. FAQ ( frequently asked questions ) : 1) How to speed Measurement done. 2) Explain the types of the speed Measurement. 3) Explain the speed Measurement. 4) Explain the mechanical tachometer.… Read More »

Humidity measurement Devices |Humidity , Relative and Specific humidity| Hygrometer

Humidity measurement Devices | Definition of Humidity , Relative humidity, and Specific humidity | Hygrometer | Hair hygrometer FAQ : 1) Define humidity. 2) Define Relative humidity. 3) Define specific humidity. 4) What is hygrometer? 5) What is Hair hygrometer ? 6) Explain Hygrometer and their type Hair hygrometer. Hi guys, here we learn definition… Read More »

Electro magnetic flow meter | principle and Construction | Advantages and Disadvantages

Electro magnetic flow meter | Working principle and Construction | Advantages and Disadvantages | Limitations | Diagram FAQ: 1) Explain with neat sketch electro magnetic flow metre. 2) What is function of electro magnetic flow meter. 3) What are the advantages of electro magnetic flow meter. 4) What are the disadvantages / Limitations of electro… Read More »

Rotameter | Working, Advantages and disadvantages of Rotameter

Rotameter | Working of Rotameter | Construction of Rotameter | Advantages and Disadvantages | Application with diagram. FAQ about Rotameter : 1) Explain the working of Rotameter. 2) State the materials of tube, float of Rotameter. 3) State advantages of Rotameter. 4) State disadvantages of Rotameter. 5) Explain construction of Rotameter. Here we can learn… Read More »

Bimetallic thermometer | Pressure thermometer | Working and advantages

Bimetallic thermometer | Pressure thermometer | Working and Consideration |Advantages  and Disadvantages | Diagram | error in pressure thermometer : Bimetallic thermometer Working of Bimetallic thermometer : 1) Different two materials having a different coefficient of the thermal expansion rigidly joint together, one on other form a bimetallic strip. 2) When bimetallic strip is fixed… Read More »

Platinum resistance thermometer | Working and Construction

Platinum resistance thermometer | Working and Construction | diagram Fig. Platinum resistance thermometer What is a platinum resistance thermometer? (FAQ – Thermal) A Pt thermometer (PRT) may be a device that determines the temperature by mensuration the resistance of a chunk of pure Pt wire. The piece of Pt wire is observed as a temperature… Read More »