Building Construction
The type of joint commonly used at the junction of a principal rafter and tie beam in timber trusses is

Mitred joint
Oblique mortise and tenon joint
Butt joint
Mortise and tenon joint

ANSWER DOWNLOAD EXAMIANS APP

Building Construction
Gravels

Never swell when they come into contact with water
All listed here
Are cohesionless aggregates
Vary in size between 2 to 20 mm

ANSWER DOWNLOAD EXAMIANS APP