Workshop Calculations Semester 1 January 2018

Workshop Calculation & Science - Semester I (Fitter, Jan 2018)

1. 0.2 kg =
   a) 200 gram ✔
   b) 20 gram
   c) 2 gram
   d) None
2. 1/3 × 1/2 ÷ 1/3 =
   a) 1 ✔
   b) 1/2
   c) 2
   d) 1/4
3. 1 gallon =
   a) 4.1 litre
   b) 4.24 litre ✔
   c) 4.50 litre
   d) 4.54 litre
4. Reciprocal of -5 =
   a) -1/5 ✔
   b) 1/5
   c) +5
   d) 1
5. 7/12 + (-5/16) =
   a) -7/48
   b) -11/30
   c) 13/48 ✔
   d) 1/3
6. Quantity of matter is:
   a) Weight
   b) Density
   c) Relative density
   d) Mass ✔
7. 2.012 + 201.2 =
   a) 203.32
   b) 203.032
   c) 201.32
   d) 203.212 ✔
8. 127 cm =
   a) 5 inches
   b) 50 inches ✔
   c) 500 inches
   d) None
9. Weight of cube (14 cm, density 7.8 g/cc):
   a) 21.4 kg ✔
   b) 2.14 kg
   c) 0.214 kg
   d) 1.528 kg
10. 0.3 litre =
    a) 300 ml ✔
    b) 3000 ml
    c) 25 ml
    d) None
11. 1 m³ =
    a) 10 litres
    b) 100 litres
    c) 1000 litres ✔
    d) None
12. 25.4 mm =
    a) 10 inch
    b) 0.01 inch
    c) 1 inch ✔
    d) None
13. 90 kg alloy (6:3:1) → copper =
    a) 27 kg
    b) 9 kg
    c) 54 kg ✔
    d) None
14. 100 m rope, 2/5 part → lengths:
    a) 20, 50
    b) 40, 60 ✔
    c) 30, 70
    d) 50, 50
15. 2½ × 3½ =
    a) 6.5
    b) 7.75
    c) 8.75 ✔
    d) 8.125
16. Pump (1000 L/min, 45 m) → HP:
    a) 9 HP
    b) 10 HP ✔
    c) 24.3 HP
    d) None
17. 4000 kg, 25 km/h, stops in 5 s → retardation:
    a) -2 m/s²
    b) 5 m/s²
    c) 8 m/s²
    d) -8 m/s² ✔
18. Square ends with 6:
    a) 19²
    b) 82²
    c) 109²
    d) 24² ✔
19. SI unit of energy:
    a) Erg
    b) Calorie
    c) Joule ✔
    d) Volt
20. Unit of power:
    a) Erg
    b) kWh
    c) kW ✔
    d) None
21. 0°C =
    a) 20°F
    b) 25°F
    c) 32°F ✔
    d) 320°F
22. X : 4 = 9 : 6 → X =
    a) 2.66
    b) 13.5
    c) 6 ✔
    d) 2.166
23. Area 2304 m² → side:
    a) 45 m
    b) 48 m ✔
    c) 47.9 m
    d) 49.02 m
24. 0.1 × 0.01 =
    a) 0.1
    b) 0.01
    c) 0.001
    d) 0.0001 ✔
25. 52.5 lbs =
    a) 23.814 kg ✔
    b) 26.25 kg
    c) 15.75 kg
    d) 115.5 kg