Related Questions

__________ can replace tungsten in high speed steel,
A Chromium
B Vanadium
C Cobalt
D Molybdenum
__________ can replace tungsten in high speed steel.
A Chromium
B Vanadium
C Cobalt
D Molybdenum
A policy taken with critical illness rider benefit is being assigned. Which type of assignment would suit the intended purpose because if the life insured is diagnosed with a critical illness, he only should receive the critical illness rider claim?
A Absolute assignment
B Conditional assignment
C Loan assignment
D Collateral assignment
Tungsten in steel
A Improves wear resistance, cutting ability and toughness
B Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties
C Improves cutting ability and reduces hardenability
D Gives ductility, toughness, tensile strength and anti-corrosion properties
Tungsten in high speed steel provides
A Hot hardness
B Toughness
C Wear resistance
D Sharp cutting edge
Tungsten in high speed steel is responsible for its
A Toughness & wear resistance
B Cold hardness
C Hot hardness
D Sharp cutting edge
Addition of tungsten to steel imparts
A Magnetic properties
B Cutting hardness
C Corrosion resistance
D Ductility
Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which
A A homogeneous solution (say of phenol water) is formed
B Mutual solubility of the two liquids shows a decreasing trend
C Two liquids are completely separated into two layers
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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