WBUT 2012 THERMAL POWER ENGINEERING [ME(EE)-411] Question Paper

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CS/B.TECH(EE-New)/SEM-4/ME(EE)-411/2012

2012

THERMAL POWER ENGINEERING

Time Allotted : 3 Hours                                    Full Marks : 70

The figures in the margin indicate full marks.

Candidates are required to give their answers in their own words

as far as practicable.

GROUP – A

(Multiple Choice Type Question)

1.       Choose the correct alternatives for the following:          10 x 1 = 10

          i)        A cycle consisting of two constant volume and two                           isothermal processes is known as

                   a)       Carnot cycle                   b)       Joule cycle

                   c)       Otto cycle                       d)       Stirling cycle.      

          ii)       In SI engine, high voltage for spark plug is developed using

                   a)       battery                           b)       distributer

                   c)       ignition coil                    d)       carburetor

          iii)      Cetane number of the fuel commercially for diesel engines               in India is in the range

                   a)       40 to 45                         b)       60 to 70

                   c)       60 to 80                         d)       80 to 90

          iv)      The pressure at the upstream side of a stage of moving           blades in a reaction turbine is

                   a)       higher than that at the downstream

                   b)       lower than that at the downstream

                   c)       equal to that at the downstream

                   d)       higher or lower, depending upon the turbine load

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