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171.

In axed brick arches, the joints of the arch are not of uniform thickness.

Right

Wrong

172.

The arch consisting of fully dressed stones, is called

A.	axed arch	B.	gauged arch
C.	ashlar arch	D.	roubble arch

173.

In a flat arch, the skew back is made to rest in an inclined position so as to make an angle of

A.	30?	B.	40?
C.	50?	D.	60?

174.

The intrados of the flat arch is horizontal but the extrados has a straight camber or upward curvature.

Yes

175.

The span of an arch is

A.	vertical distance between the springing line and the highest point on the intrados	B.	vertical distance between the springing line and the highest point on the extrados
C.	perpendicular distance between the intrados and extrados	D.	horizontal distance between the supports

176.

The lower portion of an arch between the skew back and crown is called

A.	depth	B.	rise
C.	haunch	D.	intrados

177.

The vertical members which support the door frame are called

A.	reveals	B.	styles
C.	posts	D.	jambs

178.

The external jamb of a door or window opening at right angles to the wall face, is called

A.	reveals	B.	styles
C.	posts	D.	jambs

179.

A horizontal member of a frame employed to sub-divide a window opening horizontally is called

A.	sill	B.	mullion
C.	transom	D.	horn

180.

The bottom or lowermost horizontal part of a window frame is known as

A.	sill	B.	mullion
C.	transom	D.	horn