Workshop Calculation Semester 4 Jan 2017

Workshop Calculation & Science (Semester-I) MCQs

1. 0.1 × 0.01 = 
   a) 0.1
   b) 0.01
   c) 0.001
   d) 0.0001
   Answer: d) 0.0001
2. Volume = 62 m³, mass = 62000 kg → density =
   a) 100 kg/m³
   b) 10 kg/m³
   c) 1000 kg/m³
   d) 1×10⁻³
   Answer: c) 1000 kg/m³
3. Perimeter = 320 m, ratio 5:3 → area =
   a) 6000 m²
   b) 3000 m²
   c) 12000 m²
   d) 24000 m²
   Answer: d) 24000 m²
4. Force due to gravity is:
   a) Weight
   b) Force
   c) Mass
   d) None
   Answer: a) Weight
5. SI unit of energy:
   a) Joule
   b) Calorie
   c) Erg
   d) Electron volt
   Answer: a) Joule
6. Cube (14 cm, density 7.8 g/cc) weight:
   a) 21.4 kg
   b) 25.4 kg
   c) 44.4 kg
   d) 34.4 kg
   Answer: c) 44.4 kg
7. Ratio 90 cm : 15 m =
   a) 3:50
   b) 5:3
   c) 6:1
   d) None
   Answer: a) 3:50
8. Example of potential energy:
   a) Blowing wind
   b) Rotating wheel
   c) Flowing water
   d) Water in overhead tank
   Answer: d) Water in overhead tank
9. Percentage fraction denominator:
   a) 0
   b) 1
   c) 10
   d) 100
   Answer: d) 100
10. 12846×593 + 12846×407 =
    a) 24064000
    b) 12846000
    c) 24038606
    d) 24203706
    Answer: b) 12846000
11. √x = 26/2 → x =
    a) 196
    b) 169
    c) 125
    d) 225
    Answer: a) 196
12. 250/√x = 10 → x =
    a) 6250
    b) 2506
    c) 625
    d) 256
    Answer: c) 625
13. Compare 2:3 and 4:7
    a) 2:3 < 4:7
    b) 2:3 > 4:7
    c) 2:3 = 4:7
    d) None
    Answer: a) 2:3 < 4:7
14. 342197 × 9999 =
    a) 3221627803
    b) 3521627803
    c) 3421627803
    d) 3321627803
    Answer: d) 3321627803
15. Side ↑ 25%, area increase =
    a) 56.25%
    b) 50%
    c) 125%
    d) 156.25%
    Answer: a) 56.25%
16. Force causes displacement →
    a) Nothing
    b) Work
    c) Effort
    d) None
    Answer: b) Work
17. Work depends on:
    a) Force
    b) Distance
    c) Both
    d) Neither
    Answer: c) Both
18. Diagonals not equal in:
    a) Rectangle
    b) Square
    c) Rhombus
    d) Trapezium
    Answer: c) Rhombus
19. Bisectors in parallelogram meet at:
    a) 30°
    b) 45°
    c) 60°
    d) 90°
    Answer: d) 90°
20. Diagonals in hexagon:
    a) 6
    b) 8
    c) 9
    d) 10
    Answer: c) 9
21. 3/5 =
    a) 30%
    b) 40%
    c) 45%
    d) 60%
    Answer: d) 60%
22. 0.8% in decimal:
    a) 0.08
    b) 0.008
    c) 8
    d) 0.8
    Answer: b) 0.008
23. Least number from 176 for perfect square:
    a) 16
    b) 10
    c) 7
    d) 4
    Answer: d) 4
24. ______ cannot be created or destroyed:
    a) Work
    b) Power
    c) Energy
    d) All
    Answer: c) Energy
25. mgh formula is for:
    a) Mechanical
    b) Electrical
    c) Potential
    d) Kinetic
    Answer: c) Potential