The surface to be left unmachined is marked on the pattern by
Options:
A. Red colour
B. Yellow colour
C. Black colour
D. Blue colour
Answer: Option C
Explanation :

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More Questions on This Topic :

Question 1. The surface to be machined is marked on the pattern by
  1.     Red colour
  2.     Yellow colour
  3.     Black colour
  4.     Blue colour
Answer: Option A
Explanation :
Question 2. In ________ welding, the weld may be made either from left to right or from right to left.
  1.     Forehand
  2.     Backhand
  3.     Vertical
  4.     None of these
Answer: Option C
Explanation :
Question 3. A two high rolling mill consists of two rolls which rotate
  1.     At the same speed and in the same direction
  2.     At the same speed but in opposite direction
  3.     At different speeds and in the same direction
  4.     At different speeds and in the opposite direction
Answer: Option B
Explanation :
Question 4. The surface to be left unmachined is marked on the pattern by
  1.     Red colour
  2.     Yellow colour
  3.     Black colour
  4.     Blue colour
Answer: Option C
Explanation :
Question 5. In a four high rolling mill, there are four rolls out of which
  1.     One is working roll and three are backing up rolls
  2.     Two are working rolls and two are backing up rolls
  3.     Three are working rolls and one is backing up roll
  4.     All of the four are working rolls
Answer: Option B
Explanation :
Question 6. In ________ welding, the weld may be made either from left to right or from right to left.
  1.     Forehand
  2.     Backhand
  3.     Vertical
  4.     None of these
Answer: Option C
Explanation :