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

Where the two port networks is used ?

1725

PROCESS CONTROL - EXAMPLE 6.1 : In a Laplace Transform Table, the Laplace transfer function of f(t) is F(s). When d(t) = f(t) then 1 = F(s). When x(t) = f(t) then X(s) = F(s). If d(t) is the impulse of a spring when d(t) = kx(t), then derive the equation for the impulse of a spring as X(s) in term of k. Next question : A controller has a transfer function a and the other controller has a transfer function b. The overall transfer function of both controllers is ab. What is the transfer function overall when both controllers have similar transfer function 1 / (Cs + k)?

1 2327

How many turns are there in primary winding? (In Transformer)

Philips,

1657

how can i calibrate a smart temperature transmitter used by druck 720 process calibrator?

Texas,

1530

technical name of shuttering plywood

1 3927

Why two phase welding machine is used instead of three phase welding machine.

Merck,

1865

Question 87 - According to Hardy-Weinberg Equation, p x p + 2 x p x q + q x q = 1 where p = dominant allele frequency and q = recessive allele frequency. Let p + q = 1. Fraction of population has 2 copies of the p gene = p x p. Fraction of population has 2 copies of the q gene = q x q. Fraction of population has a copy of p gene and a copy of q gene = 2 x p x q. In a small town, the allele frequency is q = 0.2 for a recessive gene, the delta-32 mutation, that gives human protection from HIV infection. (a) Find the allele frequency a dominant gene, p. (b) What percent of the population has at least a copy of the gene that cause the population either immune to HIV or less susceptible to the disease?

1 2423

how many bag of cement needed for concreting 14.93 m3 at the ratio of 1:4:6 and 1:5:6

1 2410

What is turbocharger and his rpm

JMD,

1566

what is the calibration procedure for magnetic flow meter @ onsite

1621

Sir I am from jntuk R13 regulation...... Is there any chance to leave credits

JNTUK,

1 2770

Which one is given high energy in same power consumption AC or DC

Dhyey Creation,

1 2849

Why we specify TNC switch with 1NO 1NC ,2NO 2NC ? how we get connection.?

1735

Pressure tx shows 1 mbar but we need 1000 mbar at this process condition .. how can we sort it out .

1658

Question 88 - In the calculation of the growth of bacteria, colony forming unit (CFU) in serial dilution is used. In a laboratory, viable count assay is used to estimate CFU. Formula applied is CFU / mL = (number of colonies x dilution) / (amount plated, in unit mL). Acceptable plate count is either between 20 and 200 or between 30 and 300 according to 2 different references. A wastewater sample of 200 ml is added to and mixed with 1.8 L of sterile water. Another 200 ml of the mixture is added to and mixed with 1.8 L of sterile water. (a) Calculate the dilution of first mixture and the dilution of the second mixture. (b) 100 microlitres of wastewater samples from the first mixture and the second mixture are placed separately on 2 different alga plates. The first plate has 250 colonies and the second plate has 23 colonies. Calculate the average CFU / mL.

1 3048

Un-Answered Questions { Engineering }

For what reason would an aluminum casting, when applied with a powder coated paint finish, cause a poor finish to the paintwork.

902

What should be current in the Primary and secondary side of 1000KVA (11KV Supply)Transformer.?

1013

Which material is used for the core of a transformer and why?

1062

what is procedure of measuring operating length of mechanical seal.(in case of centrifugel pump)

2432

Explain what is hue?

How are microarrays related to dna?

991

how can i calculate increase electrical signal power expected at the photodiode detector output given 2 optical loss coefficients and the distance covered using multimode.thank you.

2166

What is angle and amplitude modulation?

989

What is difference between limit state and working stress method? How it is applies in building structure.

2283

What are the methods involved to test helium leak testing in a vacuum system?

1094

Do you know what is yarn?

In layman terms, what is the difference of Dielectric strength and dielectric constant when speaking of an insulating oil

2643

which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?

1999

I am importing dc-dc converters from singapore to india. how much tax will be applicable towards Custom duty.and the rates of the custom duty.

2127

how we can explain arc heatng?

1870

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