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
Blogger Comment
Facebook Comment