Engineering Interview Questions
Questions Answers Views Company eMail

What is the Difference Between resistance and resistivity?

Sun Pharma,

2 6326

what is the different between surgearrester and lighting arrester

HPCL,

4 6720

why exterrnal C.T. protection is used even though ACB& VCB is having inbuild C.T. protection?

2 4157

what is the different bitween ETP & WTP

Square Pharma,

1 9188

According to IEC60034-14, When the vibration monitoring system required for motor Bearing. above which KW, it is required? and for what type of bearing the vibration probe is provided.

3689

what are the essential things for the power plant

NEPC,

1 1821

What does a hookup diagram look like? can you give sample drawing. thanks.

1 7561

What happens when generator is running with leading power factor on it say -0.96. what are the effects of it on alternator and the other generators operating in parallel to it.

2 5038

What happens when too much cylinder oil is injected in the working cylinder?

1453

Is the unit and normal value fuel ratio of an average diesel engine?

1495

What is the formula for 1 HP of a two-cycle engine?

1686

Name the indicator diagram.

1497

what is meant by straem lines?

1 2890

what is the exact meaning of power

SKB,

1 2118

why choke is provided in the centre of the tube light?

3 4846


Un-Answered Questions { Engineering }

Explain the procedure to estimate the friction factor involved in heat exchanger tubes?

606


AS I AM BEING IN PLANT ENGINEERING & MAINTENANCE DEPARTMENT I WANT ANY BOOKS RELATED TO MAINTENANCE CAN YOU GUIDE ME THE AUTHOR.

1532


Different types of communications? Explain.

622


What is the size of the recommended compressor cfm? Where it can be used?

564


What is the relation between the thickness of the thermal boundary layer and the depth of the hydrodynamic boundary layer?

676






What is the actual meaning of thermal power efficiency ?

1583


Why do we mostly prefer to generate and distribute electricity in 3 phase and not in 4 phase or 5 phase?

721


When a single pase capacitor run motor- run on 230vac and Case(1)run with 8 Mfd 250 vac.capacitor , Case( 2) run with 8 Mfd 400vac capacitor. What is difference between both case regarding power ,efficiency etc?

1644


in a solar power plant,we are going to step up the voltage 350V to 33kv, and to 132kv GSS. i want to ask that if it is possible that 315v/33kv is not possible because we also use 315v/11kv. or it should be 415v/33kv? is it effects generation or losses?  the second question is-generation is depends on LV winding? or LV winding design for generation voltage?

1288


Hi Friends, I am preparing for Airport authority of India ,so please forward me question papers and questions that are generally asked in test. my email ID is :jitinkumar_micro@rediffmail.com

1425


hi i am sushil can anyone send me the previous year question paper for AAI(JR.excecutive,electronics)to my email kingston_s007@yahoo.com

1446


Actually i am confused that how to calculate the bending moment for a semi-circular beam and curved slab.If any one have a good idea about the matter,please give the answer with a suitable example. Thank you......

1726


Can fuses with an ac voltage rating be used in a dc applications?

591


whan type of controller is used in power plant?

1690


Convert 1024 (in decimal) to octa and hexadecimal form

734