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2 answers 2 views

Prepare troubleshooting chart for transformer as per IS- 10028-1981 (4 trouble) and Induction motor (4 troubles). 

asked 1 hour ago in Testing and maintenance of electrical equipments by Shimroz123
4 answers 109 views

5(4+1) ÷ 5(5) = ?

asked 5 days ago in Mathematics by Shimroz123
1 answer 1 view

Explain vacuum impregnation method used for Re-varnishing of insulation with neat diagram.

asked 29 minutes ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 2 views

State any eight causes of fire. 

asked 29 minutes ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 2 views

State the basic requirements of foundation for :(i) Static equipment’s (ii) Rotating equipment’s

asked 31 minutes ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 2 views

Describe Effect of misalignment of direct coupled drives.

asked 32 minutes ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 1 view

State the methods used to measure insulation resistance and explain Dielectric Absorption method.

asked 51 minutes ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 1 view

State and explain properties of transformer oil.  

asked 55 minutes ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 2 views

List routine tests to be conducted on 3 phase transformer as per 1S-2026-2011. 

asked 1 hour ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 2 views

List any four internal causes for abnormal operation of electrical equipment’s. 

asked 1 hour ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 5 views

State the procedure for developing preventive maintenance schedule. 

asked 2 hours ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 2 views

Describe the factors affecting preventive maintenance schedule. 

asked 2 hours ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 3 views

State any eight safety precautions to be followed while working with an electric installation. 

asked 2 hours ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 4 views

State the objective of testing. Explain the role of BIS (Bureau of Indian Standards) in testing of electrical machines. 

asked 2 hours ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 7 views

State any one application of each tool : (i) Earth tester (ii) Megger (iii) Bearing puller (iv) Growler 

asked 2 hours ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 4 views

List any eight contamination agents of the transformer oil. 

asked 2 hours ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 6 views

State any four advantages of preventive maintenance. 

asked 2 hours ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 11 views

State the factors on which severity of electric shock depends. 

asked 2 hours ago in Testing and maintenance of electrical equipments by Shimroz123
1 answer 7 views

Explain with neat sketch overload protection for power circuit of locomotive.

asked 10 hours ago in Modern Electric Traction by Shimroz123
1 answer 4 views

Explain protection of locomotive from overvoltage and under voltage

asked 10 hours ago in Modern Electric Traction by Shimroz123
1 answer 4 views

Explain the surge protection of electric locomotive from i) Direct lightening stroke ii) Switching surges

asked 10 hours ago in Modern Electric Traction by Shimroz123
1 answer 5 views

Explain with neat diagram i) Sectioning and paralleling post ii) Sub sectioning post

asked 10 hours ago in Modern Electric Traction by Shimroz123
1 answer 4 views

List different types of signals. State application of each.

asked 10 hours ago in Modern Electric Traction by Shimroz123
1 answer 5 views

Give protection scheme used for 25kV catenary protection for AC traction.

asked 11 hours ago in Modern Electric Traction by Shimroz123
1 answer 4 views

State four important features of LEM that differ it from normal electric motor. 

asked 11 hours ago in Modern Electric Traction by Shimroz123
1 answer 3 views

Draw neat labeled diagram of AC track circuit. Also give two advantages of AC track circuit.

asked 11 hours ago by Shimroz123
1 answer 4 views

Write down the circuit breaker with their rating used in traction substation. Explain any one.

asked 11 hours ago in Modern Electric Traction by Shimroz123
1 answer 3 views

State any four relays used for catenary protection. State function of each relay.

asked 11 hours ago in Modern Electric Traction by Shimroz123
1 answer 3 views

Give any four advantages of voice frequency signaling over DC signaling system. 

asked 11 hours ago in Modern Electric Traction by Shimroz123
1 answer 3 views

List any four current collectors for overhead system. State application of each.

asked 11 hours ago in Modern Electric Traction by Shimroz123
1 answer 2 views

List any four weaknesses of LIM propelled railway traction system.

asked 11 hours ago in Modern Electric Traction by Shimroz123
1 answer 2 views

Explain with neat diagram trolley collector for overhead system

asked 11 hours ago in Modern Electric Traction by Shimroz123
1 answer 3 views

Draw and explain in brief construction of Diamond Pantograph. Write one advantage and one disadvantage of it.

asked 11 hours ago in Modern Electric Traction by Shimroz123
1 answer 2 views

With neat sketch explain automatic weight tension and temperature compensation.

asked 11 hours ago in Modern Electric Traction by Shimroz123
1 answer 2 views

Explain the following - 1) Encumbrance 2) Span length.

asked 11 hours ago in Modern Electric Traction by Shimroz123
1 answer 2 views

State the classification of locomotive.

asked 11 hours ago in Modern Electric Traction by Shimroz123
1 answer 3 views

Give the purpose and location of neutral section and section insulator. 

asked 11 hours ago in Modern Electric Traction by Shimroz123
1 answer 3 views

Give any four advantages of remote control system.

asked 11 hours ago in Modern Electric Traction by Shimroz123
2 answers 92 views

Can you answer this question? X + X + X = 30 X + Y + Y = 20 Y + Z + Z = 17 X + Y + Z = ?

asked 3 days ago in Mathematics by Shimroz123
0 answers 12 views
asked 9 hours ago by anonymous
0 answers 15 views

With neat sketch explain the four aspects of colour light signalling.

asked 11 hours ago in Modern Electric Traction by Shimroz123
1 answer 20 views

Draw block diagram of PID controller

asked 1 day ago in Elements of Industrial Automation by Shimroz123
1 answer 12 views

Develop power and control diagram for secondary frequency acceleration starter of slip ring induction motor. 

asked 1 day ago in Elements of Industrial Automation by Shimroz123
1 answer 7 views

Explain UP counter instruction of PLC with suitable instruction.

asked 1 day ago in Elements of Industrial Automation by Shimroz123
1 answer 9 views

Draw a block diagram of digital output module of PLC.

asked 1 day ago in Elements of Industrial Automation by Shimroz123
1 answer 10 views

Differentiate between two-wire and three-wire control

asked 1 day ago in Elements of Industrial Automation by Shimroz123
1 answer 9 views

Explain pressure actuated switch with neat constructional diagram.

asked 1 day ago in Elements of Industrial Automation by Shimroz123
1 answer 4 views

List any two advantages and any two disadvantages of PLC.

asked 1 day ago in Elements of Industrial Automation by Shimroz123
1 answer 7 views

Differentiate between power and control wiring

asked 1 day ago in Elements of Industrial Automation by Shimroz123
1 answer 4 views

List types of memory. Explain any one type of memory in brief.

asked 1 day ago in Elements of Industrial Automation by Shimroz123

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