Engineering Interview Questions
Questions Answers Views Company eMail

3phase motor can be used as a Prime mover for alternator.

1138

what is the most suitable foundation when construct a bird watching tower in a marshy land

1396

What is GSB gradation

1855

Question 102 - (a) As an approximation, let v = Zc / 137 where v is the radial velocity for 1 s electron of an element, c is the speed of light, Z is the atomic number. For gold with Z = 79, find the radial velocity of its 1 s electron, in term of c and percentage of the speed of light. (b) As an approximation, let A x A = 1 - Z x Z / 18769 where A is the ratio of the relativistic and non-relativistic Bohr radius. Find the value of A.

1 2172

what is a speed of rotor when we give supply to stator of 50hz and as well as rotor of 60hz of an induction motor?????

1202

What is hysteresis

1061

what is meant by carrier aided trip protection in transmission line

GE,

3277

A 400KVA Transformer has 400Hz frequency.if frequency is changed to 50Hz,then what will be the new KVA rating?

ABC,

2 2672

THERMODYNAMIC - EXAMPLE 10.1 : The water is superheated steam at 440 degree Celsius and 17.32 megapascals. Estimate the enthalpy of the steam above. From the steam table for water at 440 degree Celsius, enthalpy of steam, h at 18 megapascals is 3103.7 kilojoules per kilogram and at 16 megapascal is 3062.8 kilojoules per kilogram. Assume that h = mP + c where P is pressure; m and c are constants at fixed temperature with small differences in P.

1 1571

THERMODYNAMIC - EXAMPLE 10.2 : A cylinder with a movable piston contains 0.1 mole of a monoatomic ideal gas. The piston moves through state a, b and c. The heat Q, changes from state c to a is + 685 J. The work W, changes from state c to a is - 120 J. The work, W performed from state a to b then to c is 75 J. By using the first law of thermodynamic, U = Q + W where U is the internal energy : (a) Determine the change in internal energy between states a and c. (b) Is heat added or removed from the gas when the gas is taken along the path abc? (c) Calculate the heat added or removed when the gas is taken along the path abc?

1 1709

Transformer Parallel Operations

1 3285

THERMODYNAMIC - EXAMPLE 10.3 : According to Raoult's law, the pressure when vapor is completely condensed, P = x(1) P(1) + x(2) P(2) ... + x(n) P(n) when x(1), x(2) ... x(n) are the mole fractions of component 1, 2 ... n and P(1), P(2) ... P(n) are the vapor pressures of component 1, 2 ... n. A vapor at 74 degree Celsius containing 70 mole % water and 30 mole % ethanol is to be completely condensed. At the temperature of 74 degree Celsius vapor pressure is 0.38 atm for water and 0.97 atm for ethanol. What is the minimum pressure the compressor must be operated?

1 1503

CHEMICAL ENERGY BALANCE - EXAMPLE 11.1 : Please match the term A - E with the stated definition i - v. Terms : A. Yield. B. Selectivity. C. Relative saturation. D. Molal saturation. E. Absolute saturation. Definitions : i. (moles of desired product formed) / (moles that would have been formed if there were no side reactions and the limiting reactant has reacted completely); ii. (moles of desired product formed) / (moles of undesired product formed); iii. (relative humidity 40 % means partial pressure of water vapour equals 4 / 10 of the vapour pressure of water at the system temperature); iv. (moles of vapour) / (moles of vapour dry gas); v. (mass of vapour) / (mass of dry gas).

1 1434

how many sqft or cft of work done by a mason per day in all works such as brick,block,concrete,shuttering carpenter,reinforcement fabricator,painter,door window carpenter.....everything thank you

Magnum,

1467

what is your expectation

TIPL,

1138


Un-Answered Questions { Engineering }

Explain RAID and mirroring?

600


I AM APPERING FOR RRB EXAM FOR SECTION ENGINEER I REQUEST U TO PLZ FORWORD THE PAPER PATTERN AND EVEN PREVIOUS QUESTION PAPER to stamil230@gmail.com

1485


Electrical Engineering

1469


please send me latest Aptitude Test paper

1570


What is the conductivity of perfect dielectric?

670






Jspl question paper for freshers requirements chemical engineering diploma

462


How to Know that veriation acceptable in CPWD Work Of 1:6 Cement Mortor Received Lab test report.

1867


Why collector is always reverse-biased w.r.t base?

591


We will import machihery. how we will take input

1224


Why in 6 KV XLPE cable termination kit used and why not in 380 V xlpe cable same is not used

2176


Which is the largest hydropower station in the world?

594


Generator,motor and alternator Working principal Please explain easily

977


What is an instrumentation amplifier?

581


What is the purpose of increasing the pressure on the F.O. system of the engine?

1527


How do you determine the size of transformer radiators in a transformer?

1410