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26th September 2014, 08:00 AM
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Join Date: Apr 2013
Re: WBSCTE Diploma in ECE Question paper

You need WBSCTE Diploma in ECE model Question paper, here I am giving:

. Magnetic tapes are suitable to applications:
(a) When only a few records are to be accessed
(b) When most of the records are to be accessed
(c) Only when all the records are to be processed
(d) None of the above

A system in which 2 or more cpu’s are interconnected and share a common
Main memory is called:
(a) Pipeline machine
(b) Multifunctional system
(c) Multiprocessor
(d) None of these

Potassium metal and potassium ions
(I) both react with water (2) have the same number of protons
(3) both react with chlorine gas (4) have the same electronic configuration

5.85 gms of sodium chloride were dissolved in water and the solution madeupto 100 ml in a standard flask. 10 ml of this solution were pipetted out into another flask and made up with distilled water into tOO ml of solution. The concentration of the sodium chloride solution now is
(1) 0.1 M (2) 1.OM (3) O.SM (4) 0.25M

Concentration of a 1.0 M solution of phosphoric acid in water is
(1) 0.33N (2) l.ON (3) 2.ON (4) 3.ON
Which of the following is a Lewis acid?
(1) Ammonia (2) Berylium chloride
(3) Boron trffluoride (4) Magnesium oxide

Which of the following constitutes the components of a buffer solution?
(1) Potassium chloride and potassium hydroxide
(2) Sodium acetate and acetic acid
(3) Magnesium sulphate and sulphuric acid
(4) Calcium chloride and calcium acetate

Which of the following cannot be used for the sterilization of drinking water?
(1) Ozone (2) Calcium Oxychionde
(3) Potassium Chloride (4) Chlorine water

A water sample showed it to contain 1.20 mg/litre of magnesium sulphate. Then, its hardness it terms of calcium carbonate equivalent is
(1) 1.0 ppm (2) 1.20 ppm (3) 0.60 ppm (4) 2.40 ppm


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