Question 1

In which of the following type of flame, oxygen is in excess proportion with acetylene?

Accepted Answer

A) neutral flame 
B) oxidizing flame 
C) carburizing flame 
D) both oxidizing flame and carburizing flame 
A) neutral flame 
B) oxidizing flame 
C) carburizing flame 
D) both oxidizing flame and carburizing flame B

Question 2

The oxy acetylene gas welding is a type of?

Accepted Answer

A) endothermic reaction 
B) exothermic reaction 
C) neutral reaction 
D) both endothermic reaction and exothermic reaction 
A) endothermic reaction 
B) exothermic reaction 
C) neutral reaction 
D) both endothermic reaction and exothermic reaction B

Question 3

In which of the following gas welding process a non-consumable electrode is used?

Accepted Answer

A) submerged arc welding 
B) tungsten inert gas welding 
C) stud welding 
D) gas metal arc welding 
A) submerged arc welding 
B) tungsten inert gas welding 
C) stud welding 
D) gas metal arc welding B

Question 4

In resistance welding, between the electrodes, the nature of current and voltage parameters being used?

Accepted Answer

A) high current, high voltage 
B) low current, high voltage 
C) low current, low voltage 
D) high current, low voltage 
A) high current, high voltage 
B) low current, high voltage 
C) low current, low voltage 
D) high current, low voltage

Question 5

In which of the following type of flame, oxygen is deficient in proportion with acetylene?

Accepted Answer

A) neutral flame 
B) oxidizing flame 
C) carburizing flame 
D) both oxidizing flame and carburizing flame 
A) neutral flame 
B) oxidizing flame 
C) carburizing flame 
D) both oxidizing flame and carburizing flame

Question 6

The chemical formula of acetylene is?

Accepted Answer

A) c?h? 
B) c?h?. 
C) c?h?oh 
D) c?h? 
A) c?h? 
B) c?h?. 
C) c?h?oh 
D) c?h?

Question 7

If use auto transformer method starting to start an induction motor to replace star-delta method, then the required tapping on the transformer will be_______________

Accepted Answer

A) 57.73% 
B) 86.7% 
C) 57% 
D) 66.66% 
A) 57.73% 
B) 86.7% 
C) 57% 
D) 66.66%

Question 8

Which of the following is also called "gas welding"?

Accepted Answer

A) oxy fuel gas welding 
B) metallic welding 
C) arc welding 
D) fuel gas welding 
A) oxy fuel gas welding 
B) metallic welding 
C) arc welding 
D) fuel gas welding

Question 9

Upon which of the following parameters does the current intensity in arc welding depend?

Accepted Answer

A) stability of arc 
B) electrode diameter 
C) gap between the electrode and parent metals 
D) thickness of parent metals 
A) stability of arc 
B) electrode diameter 
C) gap between the electrode and parent metals 
D) thickness of parent metals

Question 10

In which of the following welding processes we use two non-consumable electrodes?

Accepted Answer

A) mig 
B) tig 
C) atomic hydrogen 
D) submerged arc 
A) mig 
B) tig 
C) atomic hydrogen 
D) submerged arc

Question 11

Which of the following gases are used in Tungsten inert gas welding?

Accepted Answer

A) helium and neon 
B) hydrogen and oxygen 
C) argon and helium 
D) carbon dioxide and hydrogen 
A) helium and neon 
B) hydrogen and oxygen 
C) argon and helium 
D) carbon dioxide and hydrogen

Question 12

Amount of voltage required to generate the arc under no load condition is called?

Accepted Answer

A) open circuit voltage 
B) closed circuit voltage 
C) short circuit voltage 
D) arc voltage 
A) open circuit voltage 
B) closed circuit voltage 
C) short circuit voltage 
D) arc voltage

Question 13

The inner cone of the flame in welding has the following nature?

Accepted Answer

A) highest temperature 
B) coldest temperature 
C) moderate temperature 
D) uncertain 
A) highest temperature 
B) coldest temperature 
C) moderate temperature 
D) uncertain

Question 14

For grey cast iron, which of the following welding methods is preferable?

Accepted Answer

A) mig 
B) submerged arc 
C) gas flame 
D) electric arc 
A) mig 
B) submerged arc 
C) gas flame 
D) electric arc

Question 15

How many types of flames are there in welding?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 16

Due to which of the following reasons, flux is not used in atomic hydrogen welding?

Accepted Answer

A) the burning hydrogen shields the molten metal 
B) two electrodes are coated which gradually release the flux 
C) the filler rod is coated with flux 
D) one of the two electrodes is coated which releases the flux 
A) the burning hydrogen shields the molten metal 
B) two electrodes are coated which gradually release the flux 
C) the filler rod is coated with flux 
D) one of the two electrodes is coated which releases the flux

Question 17

Amount of time during which the transformer will be used for welding under normal loading condition is known as?

Accepted Answer

A) hold time 
B) off time 
C) weld time 
D) duty cycle 
A) hold time 
B) off time 
C) weld time 
D) duty cycle

Question 18

The starting method for a 3-phase squirrel-cage induction motor which is inferior in view of poor starting torque per ampere of line current drawn is?

Accepted Answer

A) series-inductor method of starting 
B) direct-on-line starting 
C) auto-transformer method 
D) star-delta method 
A) series-inductor method of starting 
B) direct-on-line starting 
C) auto-transformer method 
D) star-delta method

Question 19

For brazing, soldering and flame hardening which of the following flame is used?

Accepted Answer

A) neutral flame 
B) oxidizing flame 
C) carburizing flame 
D) both oxidizing flame and carburizing flame 
A) neutral flame 
B) oxidizing flame 
C) carburizing flame 
D) both oxidizing flame and carburizing flame

Question 20

Which of the following brazing process is good for mass scale joining?

Accepted Answer

A) furnace 
B) induction 
C) dip 
D) torch 
A) furnace 
B) induction 
C) dip 
D) torch

In which of the following type of flame, oxygen is in excess proportion with acetylene?

The oxy acetylene gas welding is a type of?

In which of the following gas welding process a non-consumable electrode is used?

In resistance welding, between the electrodes, the nature of current and voltage parameters being used?

In which of the following type of flame, oxygen is deficient in proportion with acetylene?

The chemical formula of acetylene is?

If use auto transformer method starting to start an induction motor to replace star-delta method, then the required tapping on the transformer will be_______________

Which of the following is also called "gas welding"?

Upon which of the following parameters does the current intensity in arc welding depend?

In which of the following welding processes we use two non-consumable electrodes?

Which of the following gases are used in Tungsten inert gas welding?

Amount of voltage required to generate the arc under no load condition is called?

The inner cone of the flame in welding has the following nature?

For grey cast iron, which of the following welding methods is preferable?

How many types of flames are there in welding?

Due to which of the following reasons, flux is not used in atomic hydrogen welding?

Amount of time during which the transformer will be used for welding under normal loading condition is known as?

The starting method for a 3-phase squirrel-cage induction motor which is inferior in view of poor starting torque per ampere of line current drawn is?

For brazing, soldering and flame hardening which of the following flame is used?

Which of the following brazing process is good for mass scale joining?

Pattern Making and Cupola Furnace Melting Process

Casting and Foundry Techniques

Casting Processes and Three Phase Induction Motors

Welding Processes and Efficiency

Friction Welding, Defects, and Metal Forging Operations

Metal Forming Processes and Techniques

Plastic Manufacturing Processes

Casting and Moulding Processes and Properties

Three Phase Induction Motors and Welding Processes

Metal Forming

Polymer Processing Techniques

Filters

Exam 4: Welding and Induction Motor Starting Methods

In which of the following type of flame, oxygen is in excess proportion with acetylene?

The oxy acetylene gas welding is a type of?

In which of the following gas welding process a non-consumable electrode is used?

In resistance welding, between the electrodes, the nature of current and voltage parameters being used?

In which of the following type of flame, oxygen is deficient in proportion with acetylene?

The chemical formula of acetylene is?

If use auto transformer method starting to start an induction motor to replace star-delta method, then the required tapping on the transformer will be_______________

Which of the following is also called "gas welding"?

Upon which of the following parameters does the current intensity in arc welding depend?

In which of the following welding processes we use two non-consumable electrodes?

Which of the following gases are used in Tungsten inert gas welding?

Amount of voltage required to generate the arc under no load condition is called?

The inner cone of the flame in welding has the following nature?

For grey cast iron, which of the following welding methods is preferable?

How many types of flames are there in welding?

Due to which of the following reasons, flux is not used in atomic hydrogen welding?

Amount of time during which the transformer will be used for welding under normal loading condition is known as?

The starting method for a 3-phase squirrel-cage induction motor which is inferior in view of poor starting torque per ampere of line current drawn is?

For brazing, soldering and flame hardening which of the following flame is used?

Which of the following brazing process is good for mass scale joining?

Pattern Making and Cupola Furnace Melting Process

Casting and Foundry Techniques

Casting Processes and Three Phase Induction Motors

Welding Processes and Efficiency

Friction Welding, Defects, and Metal Forging Operations

Metal Forming Processes and Techniques

Plastic Manufacturing Processes

Casting and Moulding Processes and Properties

Three Phase Induction Motors and Welding Processes

Metal Forming

Polymer Processing Techniques

Filters