Electric Traction | List four strengths & four weaknesses of LEM propelled Railway traction system.

Strengths of LEM Propelled Railway Traction System: 1) Pull produced for propel…

Electric Traction | Explain Ideal Maintenance of electric locomotive.

Ideal Maintenance of Electric Locomotive:   Maintenance of the components incl…

Electric Traction | Explain with neat sketch protection of locos against lightning surges.

Protection of Locos Against Lightening Surges:  1) The direct lightning strokes…

Electric Traction | State function of relay used in electric locomotive & also state its two types.

Function of Relay Used in Electric Locomotive:  Relays sense abnormal condition…

Electric Traction | Classify types of locomotives on basis of (A) Types of service (B) Types of Track gauge (C) Type of supply

Classification of Locomotive:      A) Based on the types of service rendered: …

Electric Traction | List any four equipment used in auxiliary circuits of AC locomotive.

Equipment used in Auxiliary Circuits of AC Locomotive:  1) Batteries  2) Compre…

Electric Traction | State the function of contactors in electric locomotive & also list its any two types.

Function of contactors: Contactor in electric locos is a switch which makes and…

Electric Traction | State the function of following equipment in power circuit of AC locomotive: (A) Tap changer (B) Traction Transformer (C) Circuit breaker (D) Smoothing reactor

(A) Functions of Tap Changer: Used to control the voltage to the traction motor…

Electric Traction | Draw the labeled diagram of power circuit of AC locomotive.

Diagram of Power Circuit of AC Locomotive:

Electric Traction | List four causes of failures of under frame generating equipment.

Causes of Failures of Under-frame Generating Equipment:  1) Generator belts fal…

Electric Traction | List any two requirements of train lighting.

Requirements of Train Lighting:  1) D.C. dynamo used to supply train lighting i…

Electric Traction | State the suitability of colour light signals & also state its three types.

Suitability of Colour Light Signals:  1) Colour light signal displays the same …

Electric Traction | State the function of colour light signals.

Function of Colour Light Signals:  1) Two-aspect colour-light signals:  In thi…

Electric Traction | Draw the block diagram of remote control system used in supervisory control.

Block Diagram of Remote Control System used in Supervisory Control:  OR

Electric Traction | List four functions of Railway signaling.

Functions of Railway Signaling: 1) Heavy traffic can be controlled effectively …

Electric Traction | List three advantages with one application of Pantograph collector.

Advantages of Pantograph Collector:  1) Reversible operation is possible. 2) Cu…

Electric Traction | Draw the labeled diagram of pole collector and bow collector.

Diagram of Pole Collector: Diagram of Bow Collector:

Electric Traction | Compare conductor rail system and overhead system used for supplying power in electric traction in four point.

Comparison Between Conductor Rail System and Overhead System Used for Supplying…

Electric Traction | State the function of neutral section and section insulator.

Function of Neutral Section:   1) Passing of pantograph under insulated overlap…

Electric Traction | Compare uninsulated overlap & insulated overlap in four point.