Operator Advanced Machine Tools

Read more about Workshop Calculations Semester 1 January 2018

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

0.2 kg =
a) 200 gram ✔
b) 20 gram
c) 2 gram
d) None
1/3 × 1/2 ÷ 1/3 =
a) 1 ✔
b) 1/2
c) 2
d) 1/4
1 gallon =
a) 4.1 litre
b) 4.24 litre ✔
c) 4.50 litre
d) 4.54 litre
Reciprocal of -5 =
a) -1/5 ✔
b) 1/5
c) +5
d) 1
7/12 + (-5/16) =
a) -7/48
b) -11/30
c) 13/48 ✔
d) 1/3
Quantity of matter is:
a) Weight
b) Density
c) Relative density
d) Mass ✔
2.012 + 201.2 =
a) 203.32
b) 203.032

Read more about Workshop Calculations Semester 1 July 2017

Workshop Calculation & Science - Semester I (Fitter, July 2017)

1000 liters =
a) 219.97 gallons ✔
b) 200 gallons
c) 250 gallons
d) None
52.5 lbs =
a) 23.814 kg ✔
b) 26.25 kg
c) 15.75 kg
d) 115.5 kg
X : 4 = 9 : 6 → X =
a) 2.66
b) 13.5
c) 6 ✔
d) 2.166
Area = 2304 m² → side =
a) 45 m
b) 48 m ✔
c) 47.9 m
d) 49.02 m
1 kg force does 10 kg-m work → distance:
a) 1 m
b) 10 m ✔
c) 0.1 m
d) None
25 sq ft =
a) 2.3225 m² ✔
b) 2.2323 m²
c) 2.2525 m²
d) None

Read more about Workshop Calculations Semester 1 July 2018

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

0.1 × 0.01 =
a) 0.1
b) 0.01
c) 0.001
d) 0.0001 ✔
Density = 62000 / 62 =
a) 100 kg/m³
b) 10 kg/m³
c) 1000 kg/m³ ✔
d) 1 × 10⁻³
Perimeter = 320 m, ratio 5:3 → area:
a) 6000 m²
b) 3000 m²
c) 12000 m² ✔
d) 24000 m²
Force due to gravity is:
a) Weight ✔
b) Force
c) Mass
d) None
SI unit of energy:
a) Joule ✔
b) Calorie
c) Erg
d) Electron volt
Cube (14 cm, density 7.8 g/cc) weight:
a) 21.4 kg ✔
b) 25.4 kg

Read more about Workshop Calculations Semester 2 January 2018

Workshop Calculation & Science - Semester II (Jan 2018)

Cot θ =
a) 1/sinθ
b) 1/tanθ ✔
c) 1/cosθ
d) 1/cosecθ
Insulation resistant to heat, oil and water:
a) Rubber
b) Neoprene ✔
c) PVC
d) Plastic
Which is a polynomial?
a) 8x ✔
b) 3x + 8
c) 2x² + 8x + 4 ✔
d) 16x² + 7x² + 4x + 5 ✔
220 V across 1 kΩ resistor → power:
a) 48.1 W
b) 48.2 W ✔
c) 48.3 W
d) 48.4 W
Heat required to raise 1 g by 1°C:
a) Latent heat
b) Specific heat ✔
c) Melting point
d) Boiling point

Read more about Workshop Semester 2 July 2017

Workshop Calculation & Science - Semester II (July 2017)

Area = 2025 mm² → side =
a) 65 mm
b) 55 mm
c) 45 mm ✔
d) 35 mm
Sinθ =
a) Opposite/Adjacent
b) Opposite/Hypotenuse ✔
c) Adjacent/Opposite
d) Opposite/Adjacent
Advantage of rheostat over potentiometer:
a) Handles higher frequency
b) More precise
c) Handles more current ✔
d) Works better with DC
x² − 7x + 10 = 0 → roots:
a) 5, 2 ✔
b) -5, -2
c) -5, 2
d) 5, -2
Temperature above 350°C measured by:
a) Hydrometer
b) Thermometer

Read more about Workshop Semester 2 July 2018

Workshop Calculation & Science - Semester I (Electrical, July 2018)

0.1 × 0.01 =
a) 0.1
b) 0.01
c) 0.001
d) 0.0001 ✔
Density = mass/volume (62000 kg / 62 m³):
a) 100 kg/m³
b) 10 kg/m³
c) 1000 kg/m³ ✔
d) 1 × 10⁻³
Perimeter = 320 m, ratio 5:3 → area:
a) 6000 m²
b) 3000 m²
c) 12000 m² ✔
d) 24000 m²
Force due to gravity is:
a) Weight ✔
b) Force
c) Mass
d) None
SI unit of energy:
a) Joule ✔
b) Calorie
c) Erg
d) Electron volt
Cube (14 cm, density 7.8 g/cc) weight:

Read more about Workshop Calculations Semester 3 January 2018

Workshop Calculation & Science - Semester III (Jan 2018)

If one angle of a triangle equals the sum of the other two, the triangle is:
a) Right angle triangle ✔
b) Isosceles triangle
c) Acute angled triangle
d) Obtuse angled triangle
Angles in ratio 2:4:3 → smallest angle =
a) 60°
b) 40° ✔
c) 80°
d) 20°
Part of circumference of a circle is called:
a) Diameter
b) Radius
c) Arc ✔
d) Chord
Number of tangents from a point on the circle:
a) 2
b) 3
c) 0
d) Infinite ✔

Read more about Workshop Calculations Semester 3 July 2017

Workshop Calculation & Science - Semester III (July 2017)

Velocity, Density and Acceleration are known as:
a) Fundamental quantities
b) Derived quantities ✔
c) Similitude
d) SI unit
A sheet 10 m × 5 m is cut into pieces of 25 cm × 20 cm. Number of pieces:
a) 800 pieces
b) 825 pieces
c) 1000 pieces ✔
d) 725 pieces
Sin (90 + θ) =
a) Cos θ ✔
b) Tan θ
c) Sin θ
d) Sec θ
The unit of work is:
a) Joule ✔
b) Watt
c) Newton
d) Pascal
36 inches = ______ cm
a) 80.5
b) 91.44 ✔
c) 101.88

Read more about Workshop Calculations Semester 3 July 2018

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

Read more about Workshop Calculations Semester 4 January 2018

Workshop Calculation & Science - Semester IV (Jan 2018)

The coefficient of friction μ is equal to:
a) F/R ✔
b) F × R
c) R/F
d) None of these
What will be the coefficient of friction when a force of 30 N is required to move a mass of 5 kg?
a) 0.0875
b) 0.8
c) 0.795
d) 0.695 ✔
When frictional force is equal to applied force, it is known as:
a) Dynamic friction
b) Limiting friction ✔
c) Sliding friction
d) Rolling friction
The property of one surface to oppose motion of another is called:
a) Force

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