DCE CEE Question Paper 2009 With Answers Solution Free Download

DCE CEE Question Paper 2009 With Answers Solution Free Download.

Delhi College of Engineering (DEC) and Netaji Subhash institute of Technology (NSIT) has a Combined Entranced Examination (CEE) DCE CEE Engineering Entrance

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DCE CEE Question Paper 2009 With Answers Solution Free Download

DCE CEE 2009 Question paper having Physics, Chemistry and Mathematics Question with solution

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1. A mixture of salts (Na2SO3 + K2Cr2O7) in a test tube is treated with dil. H2SO4 and resulting gas is passed through lime water. Which of the following observations is correct about this test?
(1) Solution in test tube becomes green and lime water turns milky
(2) Solution in test tube is colourless and lime water turns milky
(3) Solution in test tube becomes green and lime water remains clear
(4) Solution in test tube remains clear and lime water also remains clear
Sol: Ans [1]

A lift is moving upward with increasing speed with acceleration a. The apparent weight will be
(1) less than the actual weight
(2) more than the actual weight and have a fixed value
(3) more than the actual weight which increases as long as velocity increases
(4) zero
Sol: Ans [2] Apparent weight = m (g + a)

A metallic rod of length l and cross-sectional area A is made of a material of Young modulus Y. If the rod is elongated by an amount y, then the work done is proportional to
(1) y (2) 1/y (3) y2 (4) 1/y2
Sol: Ans [3] Factual

A Carnot engine working between 450 K and 600 K has a work output of 300 J per cycle. The amount of heat energy supplied to the engine from the source in each cycle is
(1) 400 J (2) 800 J (3) 1600 J (4) 3200 J
Sol: Ans [There is no matching answer]

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