Painting And Decorating Paper 2 WASSCE (SC), 2022

Question 2:     (a)        What is the name of the spray gun?
(b)        Identify the parts labelled as follows:
(i)         M;
(ii)        N;
(iii)       O;
(iv)       P;
(v)        Q;
(vi)       R;
(vii)      S.
(c)        State the functions of the parts labelled:
(i)         O;
(ii)        Q;
(iii)       S.

 

The question was attempted by few candidates poorly. The candidate’s performance was poor.  The candidates were expected to provide the following answers to the question:

 

(a)        -           Gravity spray gun/Gravity feed type gun                                                  

(b)        (i)         M        -           Cup lid/cover                                                                         
(ii)        N         -           Fluid container/material cup/Gravity feed cup                      
(iii)       O         -           Fluid regulator/ spreader adjustment valve                          
(iv)       P          -           Air inlet valve                                                                                     (v)        Q            -           Air inlet                                                                                               (vi)       R         -             Trigger                                                                                   
(vii)      S          -           Air cap/Fluid nozzle                                      

(c)        (i)         Fluid regulator/ spreader adjustment valve
-           Regulates the amount of paint that flows through the nozzle of the gun.

(ii)        Air inlet
-           The part of the gun which allows the passage of pressured air.

(iii)       Air cap/Fluid nozzle
-           The part of the spray gun that breaks the paint stream into fine mist.