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MCQ'S of Workshop Technology (Multiple Choice Questions)

 Today hear we will cover all the questions of "Workshop Technology" subject.



Q1.The metal is subjected to mechanical working for?

(A) Refining grain size

(B) Reducing original block into desired shape

(C) Controlling the direction of flow lines

(D) All of these

Ans- (D) All of these✔️

Q2. The temperature at which the new grains are formed in the metals is called

(A) Lower critical temperature

(B) Upper critical temperature

(C) Eutectic temperature

(D) Recrystallization temperature

Ans- (D) Recrystallization temperature✔️

Q3. The Recrystallization temperature of steel is

(A) 400℃

(B) 600℃

(C) 800℃

(D) None of these

Ans- (C) 800℃✔️

Q4. The hot working of metals is carried out.

(A) at the Recrystallization temperature

(B) above the Recrystallization temperature

(C) below the Recrystallization temperature

(D) at any temperature

Ans- (B) above the Recrystallization temperature✔️

Q5. During hot working of metals

(A) porosity of metal is largely eleminated

(B) grain structure of metal is refined

(C) mechanical properties are improved due to refinements of grains

(D) all of above

Ans- (D) all of above✔️

Q6. The minimum size at bloom is

(A) 5cm × 5cm

(B) 10cm × 10cm

(C) 15cm × 15cm

(D) 20cm × 20cm

Ans- (C) 15cm × 15cm✔️

Q7. The minimum size of a billet is 10cm × 10cm

(A) Agree

(B) Disagree

Ans- Disagree✔️

Q8. A two high rolling mill consists of two rolls which rotate

(A) at the same speed and in the same direction

(B) at the same speed but in opposite direction

(C) at different speed and in the same direction.

(D) at different speed and opposite direction

Ans- (B) at the same speed but in opposite direction✔️

Q9. The two rolls in a two high rolling  are of ____________size.

(A) Equal

(B) Different

Ans- Equal✔️

Q10. A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct?

Ans- The upper and bottom rolls rotate in the same direction whereas the middle roll rotate in opposite direction✔️


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