Workshop Technology Online Test - Set 01

Practice Test: Question Set - 01


1. The welding set up is said to have straight polarity, when
    (A) Work is connected to the positive terminal and the electrode holder to the negative terminal
    (B) Work is connected to the negative terminal and the electrode holder to the positive terminal
    (C) Work is connected to the positive terminal and the electrode holder is earthed
    (D) Work is connected to the negative terminal and the electrode holder is earthed

2. In a bilateral system of tolerance, the tolerance is allowed on
    (A) One side of the actual size
    (B) One side of the nominal size
    (C) Both sides of the actual size
    (D) Both sides of the nominal size

3. A two high rolling mill consists of two rolls which rotate
    (A) At the same speed and in the same direction
    (B) At the same speed but in opposite direction
    (C) At different speeds and in the same direction
    (D) At different speeds and in the opposite direction

4. Sand wash is a casting defect which
    (A) Results in a mismatching of the top and bottom parts of a casting
    (B) Results in general enlargement of the casting
    (C) Occurs near the ingates as rough lumps on the surface of a casting
    (D) Occurs as sand patches on the upper surface of a casting

5. In a unilateral system of tolerance, the tolerance is allowed on
    (A) One side of the actual size
    (B) One side of the nominal size
    (C) Both sides of the actual size
    (D) Both sides of the nominal size

6. Projection welding is a
    (A) Continuous spot welding process
    (B) Multi-spot welding process
    (C) Arc welding process
    (D) Process used for joining round bars

7. The cold working of metals is carried out
    (A) At the recrystallisation temperature
    (B) Below the recrystallisation temperature
    (C) Above the recrystallisation temperature
    (D) At any temperature

8. In a simple die
    (A) Two or more operations are performed simultaneously at the single stroke of the ram
    (B) Two or more cutting operations are performed at one station of the press in every stroke of the ram
    (C) Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram
    (D) None of the above

9. To prevent the body of the blade from jamming in the saw cut, the teeth of blade are
    (A) Strengthened
    (B) Sharpened
    (C) Set
    (D) All of these

10. The operation of straightening a curved sheet metal, is known as
    (A) Drawing
    (B) Squeezing
    (C) Coining
    (D) Planishing

11. The flux commonly used in brazing is
    (A) Zinc chloride
    (B) Ammonium chloride
    (C) Resin plus alcohol
    (D) Borax

12. Scribing block is used to
    (A) Hold the round bars during marking
    (B) Check the trueness of flat surfaces
    (C) Locate the centres of round bars
    (D) Check the surface roughness

13. The algebraic difference between the maximum limit and the basic size is called
    (A) Actual deviation
    (B) Upper deviation
    (C) Lower deviation
    (D) Fundamental deviation

14. Linde welding uses
    (A) Neutral flame and rightward technique
    (B) Oxidizing flame and leftward technique
    (C) Neutral flame and leftward technique
    (D) Carburising flame and rightward technique

15. A hacksaw blade cuts on the
    (A) Forward stroke
    (B) Return stroke
    (C) Both forward and return strokes
    (D) Cutting depends upon the direction of force

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