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For ultrasonic welding, the thickness of metal is usually restricted to

1

3 mm

2

6 mm

3

10 mm

4

15 mm

Solution:

The range of voltage (open circuit) arc welding is generally

1

20–40 volts

2

40–90 volts

3

100–150 volts

4

150–230 volts

Solution:

Which of the following does not from a part of metal working process:

1

Shearing

2

Extrusion

3

Stretch forming

4

Welding

Solution:

Plains and butt welds may be used on materials upto approximately

1

25 mm thick

2

40 mm thick

3

50 mm thick

4

75 mm thick

Solution:

Weld spatter defect in welding is generally the result of

1

Using tool high welding current

2

Using tool low welding current

3

Low voltage

4

High voltage

Solution:

In a linear arc welding process, the heat input per unit length is inversely proportional to :

1

Welding current

2

Welding voltage

3

Welding speed

4

None of the above

Solution:

Consider the following defects
1. cracks
2. porosity
3. solid inclusion
4. Cold shuts
Which of these defects are found during welding?

1

1, 3 and 4

2

1, 2 and 4

3

2, 3 and 4

4

1 and 3

Solution:

In a welding process, the welding parameters used are: welding current = 250 A; welding voltage = 25V, and welding traverse speed = 6 mm/s. Find the welding power.

1

6.55 kW

2

65.5 kW

3

62.5 kW

4

6.25 kW

Solution:

In an arc welding process, the voltage and current are 25 Volts and 300 amperes respectively. The arc heat transfer efficiency is 0.85 and the welding speed is 8 mm/s the net heat input (in J/mm) will be:

1

796.8

2

684.2

3

620.7

4

721.6

Solution:

In the below figure shown for a fillet weld, the given numbers represent :

1

11 mm leg length on arrow side; 6 mm leg length on other side

2

6 mm leg length on arrow side; 12 mm leg length on other side

3

6 mm leg length on arrow side; 12 mm leg length arrow on side

4

6 mm leg length on other side; 12 mm leg length on arrow side

Joining Questions Set 27:

For ultrasonic welding, the thickness of metal is usually restricted to

Solution:

The range of voltage (open circuit) arc welding is generally

Solution:

Which of the following does not from a part of metal working process:

Solution:

Plains and butt welds may be used on materials upto approximately

Solution:

Weld spatter defect in welding is generally the result of

Solution:

In a linear arc welding process, the heat input per unit length is inversely proportional to :

Solution:

Consider the following defects
1. cracks
2. porosity
3. solid inclusion
4. Cold shuts
Which of these defects are found during welding?

Solution:

In a welding process, the welding parameters used are: welding current = 250 A; welding voltage = 25V, and welding traverse speed = 6 mm/s. Find the welding power.

Solution:

In an arc welding process, the voltage and current are 25 Volts and 300 amperes respectively. The arc heat transfer efficiency is 0.85 and the welding speed is 8 mm/s the net heat input (in J/mm) will be:

Solution:

In the below figure shown for a fillet weld, the given numbers represent :

Solution:

Related Question Sets:

Related Topics:

Joining Questions Set 27:

For ultrasonic welding, the thickness of metal is usually restricted to

Solution:

The range of voltage (open circuit) arc welding is generally

Solution:

Which of the following does not from a part of metal working process:

Solution:

Plains and butt welds may be used on materials upto approximately

Solution:

Weld spatter defect in welding is generally the result of

Solution:

In a linear arc welding process, the heat input per unit length is inversely proportional to :

Solution:

Consider the following defects 1. cracks 2. porosity 3. solid inclusion4. Cold shuts Which of these defects are found during welding?

Solution:

In a welding process, the welding parameters used are: welding current = 250 A; welding voltage = 25V, and welding traverse speed = 6 mm/s. Find the welding power.

Solution:

In an arc welding process, the voltage and current are 25 Volts and 300 amperes respectively. The arc heat transfer efficiency is 0.85 and the welding speed is 8 mm/s the net heat input (in J/mm) will be:

Solution:

In the below figure shown for a fillet weld, the given numbers represent :

Solution:

Related Question Sets:

Related Topics:

Consider the following defects
1. cracks
2. porosity
3. solid inclusion
4. Cold shuts
Which of these defects are found during welding?