MOD Assistant Director AD Past Paper 2022

Acetic acid is commonly used in house hold as:

1. Vinegar
2. Vitamin C
3. lemon juice
4. aspirin

The chief constituent of natural gas is:

1. Methane
2. ethane
3. propane
4. chlorine

When hydrogen filled balloon rises high in the atmosphere:

1. It will expand
2. it will shrink in size
3. it's size will remain unchanged
4. will depend on air pressure

Mud houses are cooler in summers and warmer in winters as compared to brick houses because:

1. Mud is a good conductor
2. mud is a bad conductor
3. mud is a neutral insulator by nature
4. cooling in summers and sunlight coming through holes causes warming in winters

Water is highly effective coolant for a car engine because:

1. Water is a good conductor of heat
2. water has very high specific heat capacity
3. water boils at a comparatively high temperature
4. evaporation of water produces lot of cooling

Scalding with steam is more severe than scalding by boiling water because:

1. Steam can penetrate the sky
2. steam is at lower temperature
3. steam contains more energy than boiling water
4. steam is at a higher pressure

Why do wet clothes dry more quickly on a warm day?

1. Hot air carries less moisture
2. hot air can absorb moisture from the air rather quickly
3. higher temperature of the air helps fast evaporation
4. hot air carries much moisture

A piece of metal becomes hot when it lies in the sun through:

1. Conduction
2. convection
3. radiation
4. heat energy

Who is the current chairman of National Accountability Bureau (NAB) ?

1. Saif ur Rehman
2. Qamar Zaman
3. Javeed Iqbal
4. Aftab Sultan
5. Nazir Ahmed

Which Surah contains the order about wuzu, Ghusal and Tayammum?

1. Al-Maidah
2. Al-Baqara
3. Al-Mominoon
4. Both
5. None