Theory Practice of Workshop Engineering - Set 08

Practice Test: Question Set - 08

1. The tolerance produced by shell moulding process of casting is
    (A) +0.05 mm
    (B) ±0.2 mm
    (C) +0.5 mm
    (D) ±1 mm

2. The increase in hardness due to cold working, is called
    (A) Age hardening
    (B) Work hardening
    (C) Induction hardening
    (D) Flame hardening

3. Green sand is a mixture of
    (A) 30% sand and 70% clay
    (B) 50% sand and 50% clay
    (C) 70% sand and 30% clay
    (D) 90% sand and 10% clay

4. In forehand welding, the angle between the welding rod and the work is kept as
    (A) 30°-40°
    (B) 40°-50°
    (C) 50°-60°
    (D) 60°-70°

5. The instrument which has all the features of try-square, bevel protractor, rule and scriber, is
    (A) Outside micrometer
    (B) Inside micrometer
    (C) Depth gauge micrometer
    (D) Combination set

6. The width of slot cut by a hacksaw blade is _______ the width of the blade.
    (A) Equal to
    (B) Less than
    (C) Greater than
    (D) None of these

7. The dowels are
    (A) Wooden nails
    (B) Box nails
    (C) Wire nails
    (D) None of these

8. The cutting edge of a chisel should be
    (A) Hardened
    (B) Tempered
    (C) Hardened and tempered
    (D) Case hardened

9. In TIG arc welding, the welding zone is shielded by an atmosphere of
    (A) Helium gas
    (B) Argon gas
    (C) Either (A) or (B)
    (D) None of these

10. In a ________, both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.
    (A) Simple die
    (B) Progressive die
    (C) Combination die
    (D) Compound die

11. In permanent mould casting method
    (A) Molten metal is poured in a metallic mould, retained in the mould long enough for the outer skin to solidify and finally mould is turned over to remove molten metal still in molten condition
    (B) Molten metal is poured and allowed to solidify while the mould is revolving
    (C) Molten metal is forced into mould under high pressure
    (D) None of the above

12. A hacksaw blade is specified by its
    (A) Length
    (B) Material
    (C) Width
    (D) Number of teeth

13. Blanking and piercing operations can be performed simultaneously in a
    (A) Simple die
    (B) Progressive die
    (C) Compound die
    (D) Combination die

14. The type of file used for a wood work is
    (A) Single cut file
    (B) Double cut file
    (C) Rasp cut file
    (D) Any one of these

15. Spot welding is used for welding
    (A) Lap joints in plates having 0.025 mm to 1.25 mm thickness
    (B) Lap joints in plates having thickness above 3 mm
    (C) Butt joints in plates having 0.025 mm to 1.25 mm thickness
    (D) Butt joints in plates having thickness above 3 mm

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