Related Questions

Which furnace employs preheating, heating and soaking zones?
A Soaking pit
B Reheating furnace
C Open hearth furnace
D Cupola
Borrow pits should preferably be located in
A Field on the left side of the canal
B Field on the right side of the canal
C Fields on both sides of the canal
D Central half width of the section of the canal
Pits, formed by the deflating action of wind are called
A Playa
B Yardang
C Blowouts
D Sand dune
Which of the following can store information in the form of microscopic pits on metal disks.
A Laser disks
B Tape cassettes
C RAM cartridge
D Punched cards
E None of the above
Erosion and pits formation on the impeller of a centrifugal pump may be due to
A Cavitation
B Low speed of impeller
C Its operation with delivery valve closed for considerable time after starting the pump
D Off centering of pump with motor
Draining of shallow pits or sump is done by a sump pump, which is a __________ pump.
A Single stage vertical
B Centrifugal
C Plunger
D Diffuser
কোন টিস্যুতে Paired pits থাকে? 
A ট্রাকিড
B ভেসেল
C সিডকোষ
D আবরণী টিস্যু
Blast furnace stoves are meant for heating
A Air
B Blast furnace gas
C Steam
D None of these
A steel mill produces 180 tons of steel per month Raw materials cost for each ton of production is Tk. 1200. Other expenses of that mill are Tk. 90,000 in each month what should be the selling price of each ton of steel in order to make 10% profit?
A 1870
B 1845
C 1842
D 18145
10 cm লম্বা ও 0.5 cm ব্যাসার্ধ বিশিষ্ট একটি তামা ও একটি লোহার তারকে জোড়া লাগিয়ে দৈর্ঘ্য 20 cm করা হল। জোড়া লাগানো তারটিকে বল প্রয়োগ করে লম্বা করা হল। লোহার ইয়ংয়ের গুণাঙ্ক তামার ইয়ংয়ের গুণাঙ্কের দুইগুণ হলে লোহার দৈর্ঘ্য বৃদ্ধি ও তামার দৈর্ঘ্য বৃদ্ধির অনুপাত কত? ( A steel and a brass wire, both having 10 cm length and 0.5 cm radius, are joined together making the total length of the combined wire 20 cm. The combined wire is stretched by applying a force. If the Young's modulus of steel is twice as much as that of brass, what will be the ratio of the extension of steel to the extension of brass?)
A 1 :8
B 1 : 6
C 1 : 4
D 1 : 2

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