Concrete Technology in Civil and Mechanical Engineering : Practice MCQ Questions & Answers with Explanations

To prevent the occurrence of dry rot below hollow timber ground floors, it is necessary to

To keep the bed joints to the required thickness, it is advisable to

The usual test for the workability of concrete is the

The use of wall plates on the top of sleeper walls is to

The type of material suitable for a flexible d.p.c. is

The type of aggregate used for the manufacture of lightweight concrete blocks is

The number of layers in which the slump cone is filled and the number of times each layer is rodded is

The minimum lap for a flexible d.p.c. is

The maximum thickness for hardcore when used below oversite concrete is normally

The horizontal d.p.c. is placed not less than150 mm above the

The first reading taken from an instrument position is termed the

The area of a brick which surrounds the frog is termed the

The application of asphalt to basements in order to prevent penetration of water is described as

Stabilising a bricklayers line in windy conditions is carried out by using

Setting-out lines for walls which divide semidetached houses are derived from

Sand-lime bricks are hardened by

Plasticisers used in mortars increase

Intermediate level points between two previously established levels can be determied by using

In tanking construction the cement mortar fill Is used to

In open timbering, the poling boards are retained in position by using