FFC 5 YEARS PAST PAPERS
5 Years Past Papers
You can get here the previous 5 years' papers
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
Lies below the equilibrium line
Lies above the equilibrium line
And equilibrium lines are parallel
Is far from the equilibrium line
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Explanation
- HETP (Height Equivalent to a Theoretical Plate) and HTU (Height of a Transfer Unit) relate to separation efficiency.
- They are numerically equal when the operating and equilibrium lines are parallel,
- Meaning the driving force for mass transfer is constant.
Cement
Ammonia
Ion exchange resins
Petrochemicals
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Explanation
The Haber-Bosch process combines nitrogen (N₂) and hydrogen (H₂) under high temperatures and pressures in the presence of a catalyst to produce ammonia (NH₃).
- It's crucial for fertilizer production.
White light is reflected from
Green light is absorbed by
Other than green colors are absorbed by
Other than green colors are reflected by
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Explanation
When white light hits a green leaf, the leaf absorbs all colors except for green, which is reflected back to our eyes, making the leaf appear green
Convex lens; plan mirror
Concave mirror; plan mirror
Convex mirror; plan mirror
Concave mirror; Convex mirror
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Explanation
Reflecting telescopes use a concave mirror as their primary optical element to collect and focus light, and a plane mirror is often used to redirect the light to the eyepiece.
Blockers
Diodes
Insulators
Conductors
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Explanation
- Materials are classified based on how they conduct heat.
- Conductors : Allow heat to pass through easily (e.g., metals like copper, iron).
- Insulators : Do not allow heat to flow through easily.
- Examples of insulators : Wood, plastic, rubber, glass.
- Used in cooking handles, thermal flasks, and electrical wire coatings.
Important
Immaterial
Necessary
Significant
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Explanation
Irrelevant غیر متعلقہ
Immaterial غیر مادی
Peon
Woman
Tom
Horse
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Explanation
Peon means چپراسی Woman means عورت Tom means بکر Horse means گھوڑا
Across
Throughout
In
On
None Of The Above
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Explanation
Usage of Across
Across has 3 different meanings.
1. From one side to other side . Like He swam across the river.
2.On the opposite/other side. Like we saw some old friends across the road.
3.When something stretches/extends from one side to another. Like there was a bridge across the river.
37°C
36.67°C
40°C
35°C
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Explanation
To convert Fahrenheit to Celsius:
C = (F - 32) × 5/9
C = (98 - 32) × 5/9 = 66 × 5/9 = 36.67°C
حجم کی ایس آئی یونٹ _____ ہے؟
m³
m²
n²
None of these
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Explanation
The SI unit of volume is the cubic meter (m3), which is a derived unit.
1 m3 = 1 m • 1 m • 1 m.
***
The SI unit of energy/work is the joule (J)
The SI unit of charge is Coulomb
The Pascal is the SI-derived unit of pressure
The ampere, symbol A , is the SI unit of electric current.
The SI unit of power is the watt, one joule per second.
The SI unit of electric resistance is the ohm (Ω).
The SI unit of temperature as per the International System of Units is Kelvin
Unit of torque: newton metre ( N m )
The SI unit of velocity is a meter per second (m/s).
The SI unit of acceleration is meters/second2 (m/s2)
