Workshop Calculation & Science - Semester I (Electrical, July 2018)
- 0.1 × 0.01 =
a) 0.1
b) 0.01
c) 0.001
d) 0.0001 ✔ - If volume = 62 m³ and mass = 62000 kg, density =
a) 100 kg/m³
b) 10 kg/m³
c) 1000 kg/m³ ✔
d) 1 × 10⁻³ - Perimeter of rectangle = 320 m, ratio = 5:3, area =
a) 6000 m²
b) 3000 m²
c) 12000 m² ✔
d) 24000 m² - Force due to gravity is called:
a) Weight ✔
b) Force
c) Mass
d) None - SI unit of energy is:
a) Joule ✔
b) Calorie
c) Erg
d) Electron volt - Weight of cube (14 cm side, density 7.8 g/cc):
a) 21.4 kg ✔
b) 25.4 kg
c) 44.4 kg
d) 34.4 kg - Ratio of 90 cm to 15 m:
a) 3:50
b) 5:3
c) 6:1 ✔
d) None - Example of potential energy:
a) Blowing wind
b) Rotating wheel
c) Flowing water
d) Water in overhead tank ✔ - Percentage denominator is always:
a) 0
b) 1
c) 10
d) 100 ✔ - 12846×593 + 12846×407 =
a) 24064000 ✔
b) 12846000
c) 24038606
d) 24203706 - 26/x² = 2 → x =
a) 196
b) 169 ✔
c) 125
d) 225 - If 250/√x = 10, x =
a) 625 ✔
b) 2506
c) 625
d) 256 - Compare 2:3 and 4:7:
a) 2:3 < 4:7
b) 2:3 > 4:7 ✔
c) 2:3 = 4:7
d) None - 342197 × 9999 =
a) 3221627803
b) 3521627803
c) 3421627803 ✔
d) 3321627803 - If side increases by 25%, area increases by:
a) 56.25 ✔
b) 50
c) 125
d) 156.25 - Force causing displacement means ______ is done:
a) Nothing
b) Work ✔
c) Effort
d) None - Work depends on:
a) Force
b) Distance
c) Both ✔
d) None - Diagonals are not equal in:
a) Rectangle
b) Square
c) Rhombus ✔
d) Isosceles trapezium - Bisectors of adjacent angles of parallelogram meet at:
a) 30°
b) 45°
c) 60°
d) 90° ✔ - Number of diagonals in hexagon:
a) 6
b) 8
c) 9 ✔
d) 10 - 3/5 =
a) 30%
b) 40%
c) 45%
d) 60% ✔ - 0.8% in decimal:
a) 0.08
b) 0.008 ✔
c) 8
d) 0.8 - Least number to subtract from 176 to make perfect square:
a) 16
b) 10
c) 7 ✔
d) 4 - ________ cannot be created or destroyed:
a) Work
b) Power
c) Energy ✔
d) All - mgh formula is for ______ energy:
a) Mechanical
b) Electrical
c) Potential ✔
d) Kinetic