61,

62,

63.

64,

65.

66,

67,

08.

69,

The sum of the percentage of tricalcium silicate and dicalcium silicate for Portland ബേബ്‌
varies from :

(^) 50 - 60% (B) 60 - 70% (¢) 70- 80% (D) 80 - 90%

The compressive strength of Portland cement (1 : 3) cement mortar cube after 7 days test
should not be less than ;

(^) 110 kg/sqem ௫ 275 kg/sqem (©) 175 kg/sqem (ए) 220 kg/sq.cm

The diameter of bars used for main reinforcement in slabs may vary from :

(A) 4-8mm (8) 2-4mm (ಲ) 8-14 mm (D) 14-18 mm

In a residential building the rise of a step may vary between ;
(A) Wem-15cm (8) 15em-18em (9) ‏جب 25۔18‎ (D) 25cm-30cm

The length of stair situated between two landings is termed as :

(ക) Flight (8) Rise (9) Wwidth of stair (D) Going ©

For 1 cu.m of brick masonry the number of bricks required ‏مرج‎

(^) 400 (B) 450 (C) 500 (D) 550
The foundation most suitable for bridge is :
(^) Raft foundation (B) Stepped foundation

(C) Mat foundation (D) Well foundation

1f the depth is equal to or less than the width, the type of foundation used is :

(A) Shallow foundation (8) Deep foundation

(€) Pile foundation (12) Well foundation

The average water absorption of a brick should not be தாண்ட by weight.
(ಗಿ) 20% (0). 40% (2) 60% (D) 80%

134/2014 10 A