Explanation

• A series of steps is called a staircase, stairway, or a flight of stairs

Additional information:

• Tread: The flat, horizontal top surface where you place your foot.
• Riser: The vertical part that forms the gap between one step and the next.
• Nosing: The front, rounded edge of the tread that sticks out over the riser

Last updated 14 August 2026 by NA

Explanation

• Cast iron pipes are strong and durable.
• They are mainly used for underground water-supply lines.
• They can withstand high water pressure.
• They have a long service life.
• They are suitable for large and permanent water-supply systems

Explanation

• Plain Sedimentation (4–8 hours): Relies purely on gravity for natural particle settling.
• Coagulation-Sedimentation (2–4 hours): Uses chemical coagulants to accelerate particle clumping and settling.
• Detention Time Formula: Calculated as (T =V/Q), dividing tank volume (V) by flow rate (Q) [KETOS].

Explanation

• Montague fall is a type of canal fall.
• It uses a parabolic glacis for energy dissipation.
• The parabolic shape helps control high-velocity flow.
• It converts excess energy and reduces scouring.
• It is used in irrigation canal systems.

Explanation

A fluid flow in which the velocity vector has the same magnitude and direction at every point at any given instant is known as a uniform flow.

Explanation

• A closet is used to store clothes.
• A library is used to store books.
• The analogy shows a storage place and the items stored in it.

Last updated 13 August 2026 by NA

Explanation

• Traditional walking sticks are commonly made of wood.
• Wood is strong and durable.

Last updated 13 August 2026 by NA

Explanation

• Egg-shaped sewer is suitable for a combined sewerage system.
• Combined sewers carry both sewage and storm water.
• The egg shape provides better velocity during low dry-weather flow.
• During heavy rainfall, it can carry large volumes of water.
• It helps reduce sediment deposition inside the sewer.

Last verified on 04-08-2026

Explanation

• Largest Muslim country by area is Kazakhstan.
• Largest Muslim country by Population is Indonesia.

Additional information:

• World Largest country by area is Russia.
• World Largest Country by Population is India.

Last  verified on 27-07-2026

Explanation

• Pakistan conducted its first nuclear test at the Ras Koh Hills in the Chagai Hills, Balochistan, on 28 May 1998.
• 5 Nuclear tests were conducted by Pakistan at 15:15 hrs PST on 28 May 1998.
• Chagai-I was Pakistan's first public test of nuclear weapons.

Additional information:

• Chagai-II is the codename assigned to the second atomic test conducted by Pakistan, carried out on 30 May 1998.
• These tests followed the Chagai-I series.
• The test site was Kharan Desert, Pakistan.
• The number of tests is 1.

Last verified on 30-03-2026