The type of joint commonly used at the junction of a principal rafter and tie beam in timber trussess is__________________?

Related Mcqs:

1. The horizontal timber piece provided at the apex of a roof truss which supports the common rafter is called______________?

   A. ridge board
   B. hip rafter
   C. eaves board
   D. valley rafter

2. The disease of dry rot in timber is caused by_____________?

   A. lack of ventilation
   B. alternate wet and dry conditions
   C. complete submergence in water
   D. none of the above

3. In which of the following directions, the strength of timber is maximum ?

   A. parallel to grains
   B. 45° to grains
   C. perpendicular to grains
   D. same in all directions

4. The moisture content in a well seasoned timber is_______________?

   A. 4% to 6%
   B. 10% to 12%
   C. 15% to 20%
   D. 100%

5. First class timber has an average life of_____________?

   A. less than one year
   B. 1 to 5 years
   C. 5 to 10 years
   D. more than 10 years

6. The practical limit of moisture content achieved in air drying of timber is________________?

   A. 5%
   B. 15%
   C. 25%
   D. 35%

7. In a colar beam roof_______________?

   A. there is no horizontal tie beam
   B. there is a horizontal tie at the feet of rafters only
   C. there is a horizontal tie at almost the middle of rafters only
   D. there are two horizontal ties, one at the feet and other at the middle of the rafters

8. A mortar joint in masonry which is normal to the face of wall is known as_________________?

   A. bed joint
   B. wall joint
   C. cross joint
   D. bonded joint

9. The most commonly used retarder in cement is_________________?

   A. gypsum
   B. calcium chloride
   C. calcium carbonate
   D. none of the above

10. The internal size of mould used in brick preparation is__________________?

    A. equal to the size of a fully burnt brick
    B. smaller than the size of a fully burnt brick
    C. greater than the size of a fully burnt brick
    D. none of the above