In atomic hydrogen welding hydrogen acts as:

1.	In atomic hydrogen welding hydrogen acts as:
A.	A heating agent
B.	One of the gases to generate the flame
C.	Linearly varying velocity
D.	A lubricant to increase the flow characteristics of weld metal.
Answer» C. Linearly varying velocity

Discussion

No Comment Found

Related MCQs

In oxy-acetylene gas welding, for complete combustion, the volume of oxygen required per unit of acetylene is:
Consider the following statements: MIG welding process uses 1. Consumable electrode 2. Non-consumable electrode 3. D. C power supply 4. A. C power supply. Of these statements:
Match List-1 with List-11 and Select the correct answer using the codes given below the Lists: List-I (Filler) List-II (Joining process) A. Cu, Zn, Ag alloy 1. Braze welding B. Cu, Sn alloy 2. Brazing C. Pb, Sb alloy 3. Soldering D. Iron oxide and aluminium powder 4. TIG welding of aluminium. Codes:
In the network shown below in figure, the critical path is along
For the network shown in the given Fig. earliest expected completion time of the project is?
Match List I (Quality control concepts) with List II (Quality control techniques) and select the correct answer using the codes given below the lists: List-I (Quality control concepts) List-II (Quality control techniques) A. Tightened and reduced inspection 1. Dodge roming tables B. Lot tolerance percent defective 2. Control chart for variables C. Poisson distribution 3. MIL standards D. Normal distribution 4. Control chart for number of non-conformities Codes:
Consider the following fits: 1. I.C engine cylinder and piston 2. Ball bearing outer race and housing 3. Ball bearing inner race and shaft Which of the above fits are based on the shaft basis system?
Consider the following statements in respect of double sampling plan: 1. Average number of pieces inspected is double that of single sampling. 2. Average number of pieces inspected is less than that for single sampling 3. Decision to accept or reject the lot is taken only after the inspection of both samples 4. Decision to accept or reject the lot is reached sometime after one sample and sometimes after two samples. Which of the statements are correct?
Preheating before welding is done to:
Match List-I (Welding) with List-II (Application) and select the correct answer using the codes given below the Lists: List-I (Welding) List-II (Application) A. Explosive 1. Joining thick sheets B. Ultrasonic 2. Manufacture of heat exchanges C. Thermite 3. Joining thin sheets or wires of similar/dissimilar metals D. Projection 4. Joining hydraulic piston rods heat for agricultural Machinery 5. Joining rails, pipes and thick steel sections Codes:

In atomic hydrogen welding hydrogen acts as:

Discussion

No Comment Found

Related MCQs

Reply to Comment