WorksheetsDAY 24 WORKSHEET ITI (Plastering & Pointing)
Total questions: 15
Worksheet time: 10mins
Vee pointing is also known as weathered pointing.
True
False
In struck pointing, the lower edge of joint is kept about 10 mm inside the face of masonry.
True
False
Beaded pointing is also known as grooved pointing.
True
False
Efflorescence on plastered surfaces can be reduced by dry brushing and washing with water.
True
False
In pointing, the joints of masonry at exposed faces are raked out to a depth of about (a) mm.
In case of lime mortar, the pointed surface should be cured for at least (a) days.
The term (a) is used to denote the finishing of mortar joints of brick or stone masonry.
The first coat of plastering is known as (a) or rendering coat.
Formation of small patches of plaster swelling out beyond the surface is called (a) .
In recessed pointing, the finished face of the mortar is kept _____ from the masonry surface.
Flush
Inclined
Pressed inside
Projecting
Which type of pointing is formed by a steel rod with a concave edge?
Flush
Beaded
Rubbed
Recessed
Write the name and thickness of first, second and third coat using cement mortar
(a)
Which mortar is best suited for external plastering work since it is non-absorbent?
Cement mortar
Lime mortar
Mud mortar
Gugal mortar
Plaster of Paris is obtained by heating finely ground gypsum at a temperature of _____ °C.
100–120
160–170
200–250
300–350
Match the types of plaster with the property/application
D) barium plaster
1) X-Ray rooms
C) Gypsum plaster
2) thermal insulator, fire resistant
B) keene's cement
3)Pure white, used for skirting work
A) Granite silicone plaster
4) Quick setting, highly elastic
