Engineering Workshop MCQ - Set 11

Practice Test: Question Set - 11


1. For cutting brass, the hacksaw blade should have ________ teeth per 25 mm.
    (A) 14
    (B) 24
    (C) 32
    (D) 40

2. A ring gauge is used to
    (A) Check the diameter of shafts or studs
    (B) Test the accuracy of holes
    (C) Check the clearance between two mating surfaces
    (D) All of the above

3. Rotary swaging
    (A) Is extensively used for making bolts and rivets
    (B) Is used for reducing the diameters of round bars and a tube by rotating dies which open and close rapidly on the work
    (C) Is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface
    (D) Consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part

4. The process extensively used for making bolts and nuts is
    (A) Hot piercing
    (B) Extrusion
    (C) Cold peening
    (D) Cold heading

5. In spot welding, the distance between the nearest edge of the plate and centre of weld should be equal to
    (A) d
    (B) 1.5 d
    (C) 3d
    (D) 6d

6. A file with 20 teeth in 25 mm is called
    (A) Rough file
    (B) Bastard file
    (C) Second cut file
    (D) Smooth file

7. The oxygen cylinder is usually painted with
    (A) Black colour
    (B) White colour
    (C) Maroon colour
    (D) Yellow colour

8. A gimlet is a ________ tool.
    (A) Boring
    (B) Marking
    (C) Cutting
    (D) None of these

9. In electric resistance welding, pressure applied varies from
    (A) 1 to 5 MPa
    (B) 5 to 10 MPa
    (C) 10 to 25 MPa
    (D) 25 to 55 MPa

10. A progressive limit gauge has
    (A) 'Go' and 'Not go' member on the same side of the gauge
    (B) Separate 'Go' and 'Not go' members
    (C) 'Go' member at one end and 'Not go' member at the other end
    (D) None of the above

11. The operation of cutting a sheet of metal in a straight line along the length, is known as
    (A) Plunging
    (B) Notching
    (C) Slitting
    (D) Forming

12. Extrusion
    (A) Is extensively used for making bolts and nuts
    (B) Is used for reducing the diameter of round bars and tubes by rotating dies which open and close rapidly on the work
    (C) Is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface
    (D) Consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part

13. The sand used for making cores is
    (A) Green sand
    (B) Dry sand
    (C) Loam sand
    (D) Oil sand

14. In order to ram the sand harder at the back of the mould and softer on the pattern face, a ________ is used.
    (A) Sand slinger
    (B) Squeezing machine
    (C) Jolt machine
    (D) Stripper plate machine

15. Which of the following statement is wrong?
    (A) The hot chamber die casting machine is used for casting zinc, tin, lead and other low melting alloys.
    (B) The cold chamber die casting machine is used for casting aluminium, magnesium, copper base alloys and other high melting alloys.
    (C) The castings produced by centrifugal casting method have open and coarse grained structure.
    (D) All of the above

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