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