Given, T1=600C, constant temperature of wall 800 , length of wit exchanger L=3m, dia=25 mm, Cp=14.91 KJ/kg.K, density ρ=914 kg/m3,mean velocity vm= 2 m/s, film heat transfer coefficient hf=72 Kcal/h.m2.K, what is the outlet temperature?

2056

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3x3x2.5 m room temperature increases by 20 deg cel in 24 hours by a lamp of 100 w. then tell the temperature of the filament

1971

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what will be the angular speed of a model of turbine whose dia is half of the real one and operating in 1/4 th of the head of the real turbine rotating in Nrpm.

2024

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find the damper capacity of a system having a damping co efficient of 90% with a vibrating mass of 0.1Kg over a spring having a stiffness of 1KN/m.

1878

---

what is first law of Thermodynamics ? What is second law of Thermodynamics ?

2054

---

Define Fluidised bed boiler ?

2310

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For amonia manufacturing process if pressure, temperature would be increase over optimum level what would be happen?And what steps should be taken?

2275

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why interrupt is necessary in microprocessor?

2909

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Why memory width is not 16-bit? In stead of having 8-bit in 8085?

1920

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how to convert analog RC filter to FIR filter

2040

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how the silicon knows 0's and 1's...

1921

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Hi friends,anybody can send me previous HAL interview question paper OR all other interview question paper. To, yogeshnature@gmail.com

2155

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what is transformer utilisation factor?

3861

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what is a bleeder resistor?

2099

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where we can get the surfacing modelling project of example to practice in catia.

2610

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