Thursday, July 18, 2019

BFDC- BANGLADESH FISHERIES DEVELOPMENT CORPORATION 15.12.2017 AE(ME)


BFDC- BANGLADESH FISHERIES DEVELOPMENT CORPORATION
Exam Date: 15th  December 2017
VENUE: AUST

1) Draw a typical stress-strain diagram for mild steel showing yield strength, ultimate strength & breaking strength.
2) What is coefficient of contraction, coefficient of velocity & coefficient of discharge?
3) Write the difference of water tube & fire tube boiler. Write some selection conditions for boiler.
4) Draw a cantilever beam of 2m long. 1KN force acting in the free end. 2KN force acting 1m from free end. Draw shear force and bending moment diagram
5) Write the name of efficiencies of centrifugal pump. Draw a performance characteristics curves for a centrifugal pump.
6) Write some name of commonly used refrigerants. Write some difference of refrigerator and heat pump.
7) Draw TOP and Front view.

8) Maisa is building a pyramid with some cans. she give 1 can at first row. she add 6 cans in every raw and build 16 rows. how many cans she need to build the pyramids.
9) To produce a particular radio model it costs a manufacturer $30 per radio. And it is assumed that if 500 radios are produced all of them will be sold. what must be the selling price per radio to ensure that the profit for 500 radios is greater than $8200??
10) Write an essay " Development of Bangladesh: Challenges and prospects"
11) Write an essay " পরিবেশ বিপর্যয়"

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