Related Questions

Normalising of a casting does not
A Induce stresses in it
B Refine its grain structure
C Reduce seggregation
D Improve its mechanical properties
Normalising does not __________ of a metal.
A Improve machinability & tensile strength
B Remove internal stresses
C Refine the structure
D Remove strains caused by cold working
Normalising of steel is done to
A Refine the grain structure
B Remove strains caused by cold working
C Remove dislocations caused in the internal structure due to hot working
D All of the above
When the steel is subjected to normalising, its __________ decreases.
A Yield point
B Ductility
C Ultimate tensile strength (UTS)
D None of these
সরল দোল গতিসম্পন্ন একটি বস্তু যখন তার সাম্যাবস্থান থেকে 2 cm দূরে, তখন তার গতিশক্তি স্থিতিশক্তির ও গুণ। বস্তুটির দোলনের বিস্তার কত হবে? (An object oscillating in simple harmonic motion has its kinetic energy 3 times the potential energy when the object is 2 cm away from its equilibrium position. What is the amplitude of the oscillation for the object?)
A 3 cm
B 1 cm
C 2 cm
D 4 cm
অবজেন লক করার জন্য-i. নির্দিষ্ট Object টি Select করতে হবে ii. Object মেনু থেকে Lock কমান্ড দিতে হবেiii. Object মেনু থেকে Ungroup কমান্ড দিতে হবে।নিচের কোনটি সঠিক ? 
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
অবজেক্ট unlock করার জন্য-i. Object select করতে হবেii. Object deselect করতে হবেiii. Object মেনু থেকে unlock কমান্ড দিতে হবে নিচের কোনটি সঠিক?
A i ও ii
B i ও iii
C ii ও iii
D i, ii ও iii
A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
A Civics and 7th
B Economics and 5th
C Civics and 6th
D History and 7th
When an object is sold for TK. 250. the seller makes 25% profit. What is the cost price of the object ?
A TK. 200
B TK. 180
C TK. 220
D TK. 160
When an object is 'heated' the molecules 'move faster', and the faster 'they move', 'the hot' the object.
A heated
B move faster
C they move
D the hot

Next steps