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Latest CSL Workmen Welder Cum Fitter Welder Gas and Electric Exam Question (Objective Questions), MCQ in English

Subjects : General Knowledge, Quantitative Aptitude, Gas & Electric

Question Bank CSL Workmen Welder Cum Fitter - Welder/ Welder (Gas & Electric) Exam - English
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General Knowledge

Question 1Single Answer
Yojna a weekly journal
  1. AMinistry of Finance        
  2. BMinistry of Information and Broadcastin
  3. CMinistry of Rural Development
  4. DPlanning Commission
Question 2Single Answer
10-6 M NaOH is diluted 100 times. The pH of the diluted base is
  1. Abetween 7 and 8
  2. Bbetween 5 and 6
  3. Cbetween 6 and 7
  4. Dbetween 10 and 11
Question 3Single Answer
Which is the national game of Bhutan ?
  1. Abadminton
  2. Bbasketball
  3. Cfootball
  4. Darchery
Question 4Single Answer
Who is known as the "Missile Man of India"?
  1. ADr. Homi J. Bhabha
  2. BDr. Vikram Sarabhai
  3. CDr. APJ Abdul Kalam
  4. DDr. Satish Dhawan
Question 5Single Answer
World AIDS Day is observed annually on December 1 to raise awareness about HIV/AIDS. Which theme was adopted for World AIDS Day 2025?
  1. AEnding the HIV Epidemic
  2. BKnow Your Status
  3. CMy Health, My Right
  4. DZero Discrimination

Quantitative Aptitude

Question 6Single Answer
The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:__________ ?
  1. A51:52
  2. B52:53
  3. C51:53
  4. D52:55
Question 7Single Answer
Which of the following numbers is irrational ?
  1. A√49
  2. B0.125
  3. C√2
  4. D22/7
Question 8Single Answer
356 x 936 – 356 x 836 = ?
  1. A35600  
  2. B34500
  3. C9630
  4. D93600
Question 9Single Answer
Arrange in descending order: 5/8, 7/10, 3/4
  1. A3/4 > 7/10 > 5/8
  2. B7/10 > 3/4 > 5/8
  3. C3/4 > 5/8 > 7/10
  4. D5/8 > 7/10 > 3/4
Question 10Single Answer
What is (3^{4} times 9^{2}) ?
  1. A36
  2. B38
  3. C310
  4. D96
     

Gas & Electric

Question 11Single Answer
What is welding?
  1. AJoining metals by mechanical fasteners
  2. BJoining metals by melting and fusion
  3. CJoining metals by adhesive
  4. DJoining metals by riveting
Question 12Single Answer
Welding is mainly used to obtain a joint that is?
  1. ATemporary
  2. BSemi-permanent
  3. CPermanent
  4. DFlexible
Question 13Single Answer
Which factor is essential for fusion welding?
  1. APressure only
  2. BHeat only
  3. CHeat with or without pressure
  4. DPressure and adhesive
Question 14Single Answer
Heat for welding is produced mainly by?
  1. AChemical reaction
  2. BElectrical energy
  3. CMechanical energy
  4. DAll of the above
Question 15Single Answer
Arc welding heat is generated due to?
  1. AResistance of electrode
  2. BResistance of workpiece
  3. CElectrical arc between electrode and workpiece
  4. DFriction
Question 16Single Answer
Fusion welding differs from solid-state welding because fusion welding involves?
  1. APressure
  2. BNo heat
  3. CMelting of base metal
  4. DMechanical force
Question 17Single Answer
Which welding principle uses electrical resistance to generate heat?
  1. AArc welding
  2. BGas welding
  3. CResistance welding
  4. DThermit welding
Question 18Single Answer
In gas welding, the source of heat is?
  1. AElectrical arc
  2. BOxy-fuel flame
  3. CResistance heating
  4. DLaser beam
Question 19Single Answer
The temperature of an electric arc is approximately?
  1. A1000°C
  2. B2000°C
  3. C4000°C
  4. D6000°C
Question 20Single Answer
Welding without melting the base metal is known as?
  1. AFusion welding
  2. BSolid-state welding
  3. CArc welding
  4. DGas welding
Question 21Single Answer
Which principle is used in forge welding?
  1. AMelting and fusion
  2. BPressure and plastic deformation
  3. CElectrical resistance
  4. DGas combustion
Question 22Single Answer
Which energy source is used in laser welding?
  1. AElectrical arc
  2. BChemical flame
  3. CConcentrated light energy
  4. DMechanical energy
Question 23Single Answer
The main purpose of welding is to achieve?
  1. ATemporary joint
  2. BLeak-proof joint
  3. CDecorative joint
  4. DFlexible joint
Question 24Single Answer
Which welding principle relies on molten filler metal?
  1. AFriction welding
  2. BDiffusion welding
  3. CFusion welding
  4. DExplosion welding
Question 25Single Answer
Heat affected zone (HAZ) is formed due to?
  1. AMechanical pressure
  2. BElectrical resistance
  3. CThermal cycle of welding
  4. DChemical reaction only
Question 26Single Answer
Which welding method does not require filler metal?
  1. ATIG welding
  2. BMIG welding
  3. CGas welding
  4. DAutogenous welding
Question 27Single Answer
Welding can be classified mainly into how many categories?
  1. AOne
  2. BTwo
  3. CThree
  4. DFour
Question 28Single Answer
The two main categories of welding are?
  1. AArc and gas welding
  2. BManual and automatic welding
  3. CFusion and solid-state welding
  4. DAC and DC welding
Question 29Single Answer
Which principle applies to thermit welding?
  1. AElectrical resistance
  2. BExothermic chemical reaction
  3. CArc heat
  4. DGas flame
Question 30Single Answer
Welding is preferred over riveting because it?
  1. AAdds weight
  2. BReduces strength
  3. CProduces lighter structures
  4. DIs temporary
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