NABTEB

Explain the following technical terms: (i) Carcass (ii) Pocketing (iii) Keying (iv) Wedging (v) Shooting – NABTEB QUESTION

(i) Carcass: This is a body or the „bare bones of a boxlike construction. Any wide boards joined together to…

4 years ago

List five parts of a lathe machine – NABTEB QUESTION

Five parts of a lathe machine are as follow: (i) Drive pulley (ii) Chuck or screw chuck (iii) Tail stock…

4 years ago

Differentiate between face plate turning and turning between centres. – NABTEB QUESTION

Face plate turning is fixed permanently and it hold the item to be turned while turning between centres refers the…

4 years ago

Name and write brief notes on any THREE methods of veneers used in construction. (i) knife cutting (ii) rotary cutting (iii) saw cut – NABTEB QUESTION

(i) knife cutting (ii) rotary cutting (iii) saw cut (i) Knife cutting: A squared log is fastened to a machine…

4 years ago

What is veneer? – NABTEB QUESTION

Veneer is a thin layer or sheet sliced from wood and is usually of uniform thickness.

4 years ago

List and explain any THREE methods used in applying preservatives – NABTEB QUESTION

(i) Application by hand brush/spray gun. (ii) By dipping (iii) By steeping (i) Application by hand brush/spray gun preservatives is…

4 years ago

Explain the term “preservation of timber‟ – NABTEB QUESTION

The term “preservation of timber” is any treatment given to timber by the use of the various preservatives to prolong…

4 years ago

Define conversion of timber – NABTEB QUESTION

Conversion of timber: The term conversion of timber is the breaking down or sawing up of logs into commercial sizes.

4 years ago

Give FOUR good reasons why timber must be seasoned. – NABTEB QUESTION

Reasons, why timber must be seasoned, are: (i) Further shrinkage, checking and distortion are reduced to a minimum (ii) Conditions…

4 years ago

Define the term seasoning – NABTEB QUESTION

Seasoning is the drying-out of most of the moisture from the wood, so that the timber is conditioned before use.

4 years ago