Sterling & Wilson Operation & Maintenance Engineer Interview Questions and Answers

Cube mould size is a standard size used for testing the compressive strength of concrete.

• Cube moulds are typically made of steel or cast iron.

• The standard size for cube moulds is 150mm x 150mm x 150mm.

• Other sizes such as 100mm x 100mm x 100mm and 200mm x 200mm x 200mm are also used.

• The moulds are filled with concrete and left to cure before being tested for compressive strength.

• Cube moulds are used to ensure that the c...read more

To calculate the weight of an 8mm diameter steel rod, use the formula: weight = volume x density.

• Calculate the volume of the rod using the formula: volume = π x (diameter/2)^2 x length

• Find the density of steel, which is typically around 7850 kg/m^3

• Multiply the volume by the density to get the weight of the rod

The first 20 elements of the periodic table are essential building blocks of matter.

• The first element is Hydrogen (H)

• The second element is Helium (He)

• The third element is Lithium (Li)

• The fourth element is Beryllium (Be)

• The fifth element is Boron (B)

• The sixth element is Carbon (C)

• The seventh element is Nitrogen (N)

• The eighth element is Oxygen (O)

• The ninth element is Fluorine (F)

• The tenth element is Neon (Ne)

• The eleventh...read more

Laminar flow is a smooth, orderly flow of fluid while turbulent flow is a chaotic, irregular flow.

• Laminar flow occurs at low velocities and is characterized by layers of fluid moving parallel to each other.

• Turbulent flow occurs at high velocities and is characterized by eddies and swirls in the fluid.

• Laminar flow is commonly observed in blood vessels while turbulent flow is observed in rivers and oceans.

• The transition ...read more