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231.

The prevent the cement bags from any possible contact with moisture, the main point that should be kept in mind is that the

A.	space between the exterior walls and piles should be 30 cm	B.	cement bags should be placed closer together in the piles
C.	width and height of the pile should not exceed 3 m and 2.70 m respectively	D.	all of the above

232.

In designing a ware-house, it is assumed that

A.	each bag contains 50 kg of cement	B.	floor area occupied by one bag of cement is 0.3 m2
C.	height of each cement bag containing 35 litres of cement is 0.18 m	D.	all of the above

233.

The 'first-in, first-out' rule should eb applied when cement hags are to be removed from the ware-house.

True

False

234.

Which of the following statement is wrong?

A.	If the height of pile exceeds 1.44 m, the cement bags should be arranged in header and stretcher fashion.	B.	The cement bags should be rolled on the floor when it is taken out for use.
C.	The strength of cement decreases with the passage of time.	D.	none of the above

235.

The capcity of a ware-house depends upon the

A.	floor area occupied by one cement bag	B.	height to which the cement bags are piled
C.	either (a) or (b)	D.	both (a) and (b)

236.

If the effective plan area of a warehouse is 54 m2, and the maximum height of pile permitted is 2.7 m, then the number of cement bags to be stord is

A.	2000	B.	2200
C.	2500	D.	2700

237.

The process of proper and accurate measurement of all concrete materials for uniformity of proportions and aggregate grading is called

A.	proportioning	B.	grading
C.	mixing	D.	batching

238.

The importance of batching is to obtain

A.	strength	B.	workability
C.	durability	D.	all of these

239.

Weight batching is done by

A.	spring dial scale	B.	platform weighing machine
C.	portable weigh batchers	D.	all of these

240.

When the batching of material is done by weight

A.	the bucket in which the material is to be weighed should be cleaned thoroughly	B.	the weighing machine should be levelled before placing the material
C.	the chart should be prepared indicating the weight of each material used for different strengths of concrete	D.	all of the above