Lakshya Education MCQs

Question: In arc welding, the electric arc is produced between the work and the electrode by
Options:
A. Voltage
B. Flow of current
C. Contact resistance
D. All of these
Answer: Option C
Explanation :

Submit Answer & Explaination

Earn Reward Points by submitting Detailed Explaination for this Question

More Questions on This Topic :

Question 1. Lancing is the operation of
  1.     Cutting a sheet of metal in a straight line along the length
  2.     Removal of metal to the desired shape from the edge of a plate
  3.     Cutting a sheet of metal through part of its length and then bending the cut portion
  4.     Bending a sheet of metal along a curved axis
Answer: Option C
Explanation :
Question 2. For cutting brass, the hacksaw blade should have ________ teeth per 25 mm.
  1.     14
  2.     24
  3.     32
  4.     40
Answer: Option A
Explanation :
Question 3. Lancing is the operation of
  1.     Cutting a sheet of metal in a straight line along the length
  2.     Removal of metal to the desired shape from the edge of a plate
  3.     Cutting a sheet of metal through part of its length and then bending the cut portion
  4.     Bending a sheet of metal along a curved axis
Answer: Option C
Explanation :
Question 4. The temperature of oxy-hydrogen flame is ________ oxyacetylene flame.
  1.     Same as
  2.     Less than
  3.     More than
  4.     None of these
Answer: Option B
Explanation :
Question 5. The temperature of oxy-hydrogen flame is ________ oxyacetylene flame.
  1.     Same as
  2.     Less than
  3.     More than
  4.     None of these
Answer: Option B
Explanation :
Question 6. In a _______, the molten metal is poured and allowed to solidify while the mould is revolving.
  1.     Die casting method
  2.     Slush casting method
  3.     Permanent mould casting method
  4.     Centrifugal casting method
Answer: Option D
Explanation :

Check all Questions in this Topic : Click HERE