Fitter trade is one of the most popular trades in ITI and its course is of 2 years. In which there is a semester system, there are 4 semesters and exams are held every six months. In today’s post, you will be given the question paper of the 4th semester in which you will be given very important questions and their answers and you will find the question answers of the second semester on our website, now read them as well and try solving them.
In which category of fire are fuels like wood, paper, cloth, solid materials etc. considered?
• Category A fire
• Category D fire
• Category B fire
• Category C fire
Answer: Category A Fire
Spirit level is used to check the level of a machine ………..
• While lifting the machine
• While placing the machine at its place
• While shifting the machine
• While grouting the machine
Answer: While placing the machine at its place
Which of the following objects helps to hold the work, position the work, and guide the tool to the right position?
• By drill bush
• By drill fixture
• By drill jig
• By V-block
Answer: By drill jig
Gears having teeth parallel to the rotating shafts are known as ………
• Brem gear
• Spur gear
• Helical gear
• Bevel gear
Answer: Spur gear
Defective external thread is repaired by……….?
• Die Nut
• Half Die
• Circular Die
• Adjustable Screw Plate Die
Answer: Die Nut
Which of the following is a liquid lubricant?
• Grease
• Molybdenum disulphate
• Synthetic oil
• Wax
Answer: Synthetic oil
The best conductor of heat and electricity is ……….
• Nickel
• Chromium
• Aluminium
• Copper
Answer: Copper
Are pressure pads applied in fixtures?
• To promote shocks
• To promote vibrations
• To prevent shocks
• To increase the load
Answer: To prevent shocks
The reason for belt slipping is ………
• Low tension
• Misalignment
• Pulsating loads
• High starting torque
Answer: Pulsating load
The radial distance between the pitch circle and the root circle is called ……….
• Dedendum
• Addendum
• Working depth of tooth
• Total depth of tooth
Answer: Dedendum
The sensitivity of the spirit level depends ……….
• On the size of the bubble
• On the length of the glass tube
• On the type of liquid filled in the glass tube
• On the curvature of the glass tube
Answer: On the curvature of the glass tube
Which of the following is a non-metallic anti-corrosion treatment?
• Enamelling
• Cladding
• Shredding
• Calorizing
Answer: Enamelling
It is used for decorative and rust-proof coating on aluminium and its alloys ……….
• Galvanizing
• Anodizing
• Tinning
• Cladding
Answer: Anodizing
Which pipe wrench is used to hold a very large diameter of a pipe?
• Chain wrenches
• Allen wrenches
• Strap wrenches
• Pipe wrenches
Answer: Chain wrenches
Drilling jigs are used for ……….
• Only for drilling operations
• For clamping the job while drilling
• For drilling, reaming, tapping and other related operations
• For sharpening the drill at correct angle
Answer: For drilling, reaming, tapping and other related operations
Which type of gear is used where a lot of speed needs to be reduced?
• Warm and Worm Wheel
• Helical Bone Gear
• Hypoid Gear
• Herringbone Gear
Answer: Warm and Worm Wheel
In braze welding, the melting point of the filler rod is ……….
• Above 450°C
• Above 550°C
• Above 600°C
• Above 650°C
Answer: Above 650°C
Taper keys are rectangular in cross-section and their taper is……..
• 1:100 thickness
• 1:90 thickness
• 1:80 thickness
• 1:70 thickness
Answer: 1:100 thickness
Aluminium is extracted from the ore of ……….
• Pyrite
• Bauxite
• Aluminum Oxide
• Magnetite
Answer: Bauxite
Bronze alloy is made of ……….
• Copper and tin
• Copper and zinc
• Copper, zinc and tin
• Zinc and tin
Answer: Copper and tin
For precise sparing of teeth from a gear block, the use of ………. is required?
• Dividing head
• An index plate
• A differential mechanism
• Universal table
Answer: Dividing head
Name the permanent type of foundation bolt that is usually burst and filled with lead and cement?
• Eye Bolt
• Rag Bolt
• Normal Bolt
• Bent Type Bolt
Answer: Rag Bolt
What is the included angle of a pipe thread?
• 60°
• 47°
• 55°
• 45°
Answer: 55°
Which of the following metals is coated in Galvanized Zinc?
• Lead
• Brass
• Zinc
• Aluminium
Answer: Zinc
Standard pipe fittings, available with threads, conform to ……….
• BA
• BSW
• BSP
• Metric
Answer: BSP
Generally, any solder is an alloy of………….?
• Copper and Tin
• Glass and Tin
• Zinc and Tin
• Antimony and Tin
Answer: Glass and Tin
What are the functions of a dog clutch?
• Can be engaged sequentially when one or both elements are rotating
• Can be used only when the two elements of the clutch are stationary
• Clutch disengages automatically when speed is reduced
• Contact force is produced by springs
Answer: Can be used only when the two elements of the clutch are stationary
Carburizing is done on……..
• High Carbon Steel
• Medium Carbon Steel
• Low Carbon Steel
• High Speed Steel
Answer: Low Carbon Steel
Which type of gas flame is best for brazing?
• Oxy-LP gas flame
• Oxy-coal gas flame
• Oxy-acetylene gas flame
• Oxy-hydrogen gas flame
Answer: Oxy-acetylene gas flame
How is rotary motion converted into linear motion through gears?
• Rack and pinion
• Warm and Berm wheel
• Hypoid gear
• Internal gear
Answer: Rack and pinion
Which one of the following is the correct extinguishing agent for electrical fire?
• Water
• Carbon dioxide
• Carbon tetrachloride
• Foam
Answer: Carbon dioxide
Master gauge is……..
• Used by masters
• Is a standard gauge used to measure the accuracy of gauges within a shop
• Used by all mechanics
• Gauge used by experienced technicians
Answer: Is a standard gauge used to measure the accuracy of gauges within a shop
Helical gears can be cut on which of the following types of milling machines?
• Plain
• Horizontal
• Universal
• Drum type
Answer: Universal
Water keeps leaking from the leak despite being properly sealed. What is the reason for this?
• Washer is defective
• Spindle is bent
• Retainer nut is loose
• Spindle threads are broken
Answer: Washer is defective
Which metal can be joined more easily by soldering and brazing than aluminium?
• Silver
• Copper
• Chromium
• Zinc
Answer: Copper
In a ‘V’ belt, the angle between the edges is?
• 10°
• 20°
• 30°
• 40°
Answer: 40°
What is the function of a soldering iron in the process of soldering?
• Melting the metal
• Melting the solder
• Cooling the solder
• Cooling the metal
Answer: Melting the solder
Fire triangle is recognized as a fire hazard due to……..
• Fuel, oxygen and heat
• Fuel, oxygen and vapor
• Fuel, combustion and solids
• Fuel, oil and waste
Answer: Fuel, oxygen and heat
The error in squareness can be accurately determined by using a ………
• Try Square and Slip Gauge
• Try Square and Filler Gauge
• Cylinder Square and Slip Gauge
• Bevelled Edge Tri Square
Answer: Cylinder Square and Slip Gauge
The nominal top width of section ‘D’ of standard size of V-belt is ……….
• 22 mm
• 32 mm
• 38 mm
• 17 mm
Answer: 32 mm
Aluminium is widely used in the aircraft industry because it is?
• Corrosion resistant
• Soft and ductile
• Light in weight
• Low tensile strength
Answer: Light in weight
Which of the following clutches can be applied sequentially when one or both elements are rotating?
• Single plate clutch
• Cone clutch
• Centrifugal clutch
• Dog clutch
Answer: Cone clutch
In which clutch is a pressure plate used?
• Multiple plate clutch
• Dog clutch
• Overriding clutch
• Centrifugal clutch
Answer: Centrifugal clutch
What is the use of a traveling wall crane?
• It can lift loads horizontally from box to box
• It can move loads in three directions
• One limitless chain
• Two separate chains
Answer: It can move loads in three directions
In pipe assembly, hemp packing is used……
• To fill the gap between threads
• To prevent leakage
• For tight fitting
• For easy placement
Answer: To prevent leakage
Which type of crow-bar is easy to handle and its tip fits well even in narrow spaces?
• Short Crow Bar
• Long Crow Bar
• Single Edge Crow Bar
• Double Edge Crow Bar
Answer: Short Crow Bar
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