Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Engineering Interview Questions

Questions Answers Views Company eMail

I want to know how much the lapping length for the pilecap reinforcement.. we r using single pile cap which is 24mby54m and 2.5m depth.. total 91piles are supporting the pile cap.. how to do a steel reinforcement??

2348

what is the difference between 2 legged to 4 legged stirrups?

VRC Constructions,

1 8131

how we can calculate the efficiency of a diesel generator ?

1703

what type of waves exactly the radiations are ?

Infosys,

1733

Question 68 – Biochemical Oxygen Demand (BOD) could be calculated using the formula BOD = (DOi - DOf) (Vb / Vs) where Vb = Volume of bottle in ml, Vs = Volume of sample in ml, DOi = Initial dissolved oxygen in mg / L, DOf = Final dissolved oxygen in mg / L. (a) By using a bottle of Vb = 300 ml with sample Vs = 30 ml, find the BOD if DOi = 8.8 mg / L and DOf = 5.9 mg / L. (b) By using a bottle Vb = 600 mL with sample Vs = 100 mL, find the BOD if DOi = 8.8 mg / L and DOf = 4.2 mg / L. (c) Find the average BOD = [ Answer of (a) Answer of (b) ] / 2. (d) If the BOD-5 test for (a) - (c) is run on a secondary effluent using a nitrification inhibitor, find the nitrogenous BOD (NBOD) = TBOD - CBOD. Let TBOD = 45 mg / L and CBOD = Answer of (c).

1 3238

what will happen when generator shaft rotates in counter clockwise direction?

2061

71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit

Machino,

1683

What mean by MLTP

Machino,

3950

what is the difference between LLL and LLLG fault ?

1 5319

How vfd saving power.

2028

difference between main metering kiosk and check metering kiosk

3003

any one suggest me how to calculate percentage of air leakage with formula,

SSL,

1831

how to find steel quantity

1 3103

Question 69 - A well delivers 225 US-gallons per minute of water to a chemical plant during normal system operation. (a) Calculate its flowrate in the unit of mega US-gallon per day or MGD. (b) The following formula is written next to the chlorine feed point : (chlorine feed rate, lb / day) = (flowrate, MGD) X (dose, mg / L) x (8.34). If this formula is correct, then what should the chlorine feed rate to be in pounds per day (lb / day) if the desired dose is 2 mg / L. (c) Prove by calculations that the constant 8.34 in the formula next to the chlorine feed point is correct. Let 1 US-gallon = 3.78541 L and 1 mg = 0.0000022046 pound.

1 2400

Is there any particular formula for sizing the bus bar based on the current rating

Bunt Solar,

1 2608

Un-Answered Questions { Engineering }

what is the effect of higher value of GD???

1795

What is the simplest formula to calculate the rotor diameter of a synchronous generator?

2449

What is mean by hot and cold loop testing? What is the difference between them?

1125

Provide an example of a time when you successfully improved production efficiency through process redesign or automation.

Which thing is maximum in RLC circuit at resonance a)power consumption b)inductive current c)capacitive voltage

1813

5. Can you work well under deadlines or pressure?

2654

Derive the expressions for average output voltage and rms output voltage of 1φ semi converter?

1095

Why is a plain induction motor unsuitable for wide speed control?

2276

Explain some common piping materials used to transport slurries?

1106

Illustrate care labels.

What is a good source of equations for calculating discharge flowrates from accidental releases?

1127

What is the withdrawal force of steel nails?

1106

Methodology for calibration for ctm.... Explain in simple way pls

1548

how to calibrate corollaries (Mass flow meter)?

2169

what is the effect of un-synchronized power.

2061

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