CESC Apprenticeship Trainee Interview Questions and Answers

Grade of concrete refers to the strength of the concrete mix design.

• Grade of concrete is denoted by the ratio of cement, sand, and aggregates in the mix.

• Common grades of concrete include M10, M15, M20, M25, etc.

• Higher grade of concrete indicates higher strength and durability.

• For example, M20 grade concrete has a mix ratio of 1:1.5:3 (cement:sand:aggregate).

The 164 notification is a notification sent by a system to alert users of a specific event or action.

• The 164 notification typically includes important information or updates that users need to be aware of.

• It can be triggered by various events such as system errors, completed tasks, or new messages.

• Users may receive the 164 notification through email, text message, or within the system itself.

A winch machine is used for lifting or pulling heavy objects using a motor-driven cable or rope.

• Used in construction for lifting heavy materials

• Commonly used in off-road vehicles for recovery purposes

• Found on boats for raising and lowering anchors

• Can be used in forestry for dragging logs