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Latest Welding Exam Question (Objective Questions), MCQ in English

Subjects : Welding

Question Bank Welding Exam - English
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Welding

Question 1Single Answer
Grinding goggles is made of
  1. A
    Blue glass
  2. B
    Green glass
  3. C
    White glass
  4. D
    All of these
Question 2Single Answer
For good electric conductivity, electrode holder is made by
  1. A
    Brass
  2. B
    Copper
  3. C
    Iron
  4. D
    Aluminium
Question 3Single Answer
The main agents of Halon extinguisher is
  1. A
    Carbon tetra chloride
  2. B
    Bromochloro - di - fluoro methane
  3. C
    Both (a) and (b)
  4. D
    None of these
Question 4Single Answer
...... signs are also called emergency signs .
  1. A
    Mandatory safe
  2. B
    Warning
  3. C
    Prohibition
  4. D
    Information
Question 5Single Answer
Main method of artificial respiration is / are .......
  1. A
    Sylvester Respiration Method
  2. B
    Schaffer's Respiration Method
  3. C
    Mouth to Mouth Method
  4. D
    None of these
Question 6Single Answer
Full form of NIOSH is .....
  1. A
    National Institute for Occupational Safety and Health
  2. B
    National Information for Occupational Safety and Health
  3. C
    New Institute for Occupational Safety and Health
  4. D
    National Institute for Occupational Science and Health
Question 7Single Answer
Class A fire is due to .......
  1. A
    Wood
  2. B
    Paper
  3. C
    Fabric
  4. D
    All of the above
Question 8Single Answer
Colour combination for danger is .........
  1. A
    White on green
  2. B
    White on black
  3. C
    White on red
  4. D
    Black on white
Question 9Single Answer
Colour for materials that are hazardous by nature is ......
  1. A
    White
  2. B
    Black
  3. C
    Yellow
  4. D
    Green
Question 10Single Answer
For welding current range 100 ampere, perfect colour glass shade number is
  1. A
    9 - 10
  2. B
    10 - 11
  3. C
    8 - 9
  4. D
    12 - 14
Question 11Single Answer
Fire is a combination of
  1. A
    Fuel, light and oxygen
  2. B
    Fuel, heat and oxygen
  3. C
    Fuel, heat and carbon dioxide
  4. D
    Fuel, light and nitrogen
Question 12Single Answer
An accident is
  1. A
    Unplanned event
  2. B
    Non - controlled event
  3. C
    Undesirable event
  4. D
    All of the above
Question 13Single Answer
In case of an accident, the victim should immediately be
  1. A
    Asked to take rest
  2. B
    Enquired about the accident
  3. C
    Attended to immediately
  4. D
    Left to himself without treatment
Question 14Single Answer
The safe way of working is
  1. A
    An effective and right way of working
  2. B
    An ancient way of working
  3. C
    A way of handling the work in a hurry
  4. D
    A way of normal working
Question 15Single Answer
While working on the machine not to wear
  1. A
    Tight cloth
  2. B
    Loose cloth
  3. C
    Short cloth
  4. D
    All of the above
Question 16Single Answer
For safety of eyes always use
  1. A
    Cloth
  2. B
    Goggles
  3. C
    Mirror
  4. D
    Glass
Question 17Single Answer
Do not run the machine . Without its proper
  1. A
    Insufficient knowledge
  2. B
    knowledge
  3. C
    Enthusiasm
  4. D
    Zeal
Question 18Single Answer
Which one of the following is not the cost, due to an accident ?
  1. A
    Cost due to damage to machine, tools, materials and property
  2. B
    Cost of lost time of the injured person
  3. C
    Cost of compensation and medical aid
  4. D
    Cost due to increase in production
Question 19Single Answer
If an accident occur, while working
  1. A
    Stand with public at accident place
  2. B
    Run away from the accident spot
  3. C
    Inform your superior regarding an accident
  4. D
    None of these
Question 20Single Answer
Fire on electric wire can be controlled
  1. A
    Put water on it
  2. B
    Use CTC fire extinguisher
  3. C
    Use sand or clay
  4. D
    None of these
Question 21Single Answer
If machine stop which working on it
  1. A
    Run away leaving machine there
  2. B
    The machine button should be closed
  3. C
    keep the machine in running condition and inform the superior
  4. D
    None of these
Question 22Single Answer
For electric fire in workshop, we used
  1. A
    Water
  2. B
    Clay or sand
  3. C
    CTC fire extinguisher
  4. D
    None of these
Question 23Single Answer
In case of arc welding, by using one should protect his eyes
  1. A
    Dark glass screen
  2. B
    Sun goggles
  3. C
    Mask
  4. D
    Clear glasses
Question 24Single Answer
Mandatory signs :
  1. A
    A red circular band with cross diagonal bar on a white background
  2. B
    A circular shape having white symbol on blue background
  3. C
    Both (a) and (b)
  4. D
    None of these
Question 25Single Answer
The best way of avoiding accident is by
  1. A
    Doing work in ancient way
  2. B
    Doing work in one's own way
  3. C
    Observing safety rules related to job, machine and workplace
  4. D
    Using safety equipment
Question 26Single Answer
Accidents are defined as :
  1. A
    Loss of production
  2. B
    Damage of property
  3. C
    Result in injuries
  4. D
    All of the above
Question 27Single Answer
Safety is
  1. A
    Accident
  2. B
    Loss
  3. C
    Recreation
  4. D
    Avoid causes
Question 28Single Answer
Safety signs can be recognized by
  1. A
    Shape and size
  2. B
    Colour
  3. C
    Symbol
  4. D
    All of the above
Question 29Single Answer
First aid kit must containing
  1. A
    Emergency telephone of doctor
  2. B
    Adhesive bandage
  3. C
    Scissors
  4. D
    All of the above
Question 30Single Answer
At the time of working of an accident occur
  1. A
    Collect the crowd at accident place
  2. B
    Run away from accident site
  3. C
    Higher officer should be informed regarding an accident
  4. D
    None of these
Question 31Single Answer
Fire extinguisher is a
  1. A
    No smoking device
  2. B
    First aid signs
  3. C
    Laser beam
  4. D
    Protection device from small fire
Question 32Single Answer
A good craftsman always work with use of
  1. A
    Without safety kit
  2. B
    Safety kit
  3. C
    Both (a) and (b)
  4. D
    None of these
Question 33Single Answer
When you touch the open wire with your hands SO
  1. A
    Nothing will happen
  2. B
    We may die
  3. C
    Your hands are only burnt
  4. D
    None of these
Question 34Single Answer
Characteristic of a good craftsman is
  1. A
    A good skill
  2. B
    Conscious of safety
  3. C
    Both (a) and (b)
  4. D
    None of these
Question 35Single Answer
Which is the symbol of do not touch ?
  1. A
  2. B
  3. C
  4. D
Question 36Single Answer
Which of the following colour combination shows safety sign for prohibition ?
  1. A
    White on black
  2. B
    Black on yellow
  3. C
    Red and black on white
  4. D
    White on red
Question 37Single Answer
Which of the following is the simplest way of artificial respiration ?
  1. A
    Sylvester's method
  2. B
    Schaffer's method
  3. C
    Mouth to mouth method
  4. D
    None of these
Question 38Single Answer
Which of the following factor is responsible for fire to take place ?
  1. A
    Oxygen
  2. B
    Heat
  3. C
    Fuel
  4. D
    All of the above
Question 39Single Answer
Which type of fire extinguisher is not used in confined places ?
  1. A
    CO2
  2. B
    Dry powder
  3. C
    Foam Type
  4. D
    Water type
Question 40Single Answer
The main cause of fire in electric cables is
  1. A
    Low fuse rating
  2. B
    Overloading
  3. C
    Loose connections
  4. D
    All of the above
Question 41Single Answer
Which of the following disadvantage can occur in human being by an electric shock ?
  1. A
    Burning of fat or body
  2. B
    Unconsciousness or stop breathing
  3. C
    Dead or stop heart beats
  4. D
    All of the above
Question 42Single Answer
If any person is suffering from back wound, then which of the following method of artificial respiratory is used ?
  1. A
    Sylvester's method
  2. B
    Schaffer's method
  3. C
    Mouth to mouth method
  4. D
    Mouth to nose method
Question 43Single Answer
To stop the carbon dioxide type firing from where gas becomes available ?
  1. A
    Gas is already pressurized filled in the extinguisher
  2. B
    Gas is already filled in the form of liquid in the extinguisher
  3. C
    In the starting of extinguisher the reaction between sodium bicarbonate and dilute acid produces gas
  4. D
    None of these
Question 44Single Answer
Which of the following fire belongs to category 'B' ?
  1. A
    Fire in wood, cotton, joute etc.
  2. B
    Fire in oil, petrol etc.
  3. C
    Fire in LPG
  4. D
    Fire in metallic material
Question 45Single Answer
During the operation of machine, which of the following equipment is necessary to wear ?
  1. A
    Covering sheet
  2. B
    Muffler
  3. C
    Sandle
  4. D
    Belt
Question 46Single Answer
To stop the fire of electricity, which one of the following is used ?
  1. A
    Pyrin (CCI4)
  2. B
    Idoform
  3. C
    Chloroform
  4. D
    Formelin
Question 47Single Answer
Which is the symbol of 'Do not smoking' ?
  1. A
  2. B
  3. C
  4. D
Question 48Single Answer
Which is the symbol of 'No pedestrians' ?
  1. A
  2. B
  3. C
  4. D
Question 49Single Answer
Molecule is formed by which of the following ?
  1. A
    Atoms
  2. B
    Matter
  3. C
    Elements
  4. D
    Compounds
Question 50Single Answer
Which of the following represents atomic number ?
  1. A
    Protons
  2. B
    Protons and neutrons
  3. C
    Electrons and neutrons
  4. D
    Electrons, protons and neutrons
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