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কাগজের ভার হিসাবে ব্যবহৃত একটি পুরু কাচ (প্রতিসরাঙ্ক 1.5) খন্ডের উপর থেকে খাড়া নীচের দিকে তাকালে কাগজের উপর একটি দাগ কাচের উপর প্রান্ত থেকে 6 cm নীচে দেখা যায়। কাচ খন্ডতির পুরুত্ব কত? (When you look downward from the top of a thick glass (refractive index 1.5) slab used as a paper weight, a mark on the paper is seen 6 cm below from the top of the slab. What is the thickness of the glass slab?)
A 4 cm
B 6 cm
C 9 cm
D 12 cm
কাগজের ভার হিসাবে ব্যবহৃত একটি পুরু কাচ (প্রতিসরাঙ্ক 1.5) খণ্ডের উপর থেকে খাড়া নীচের দিকে তাকালে কাগজের উপর একটি দাগ কাচের উপর প্রান্ত থেকে 6 cm নীচে দেখা যায়। কাচ খন্ডটির পুরুত্ব কত? (When you look downward from the top of a thick glass (refractive index 1.5) slab used as a paper weight, a mark on the paper is seen 6 cm below from the top of the slab. What is the thickness of the glass slab?)
A 4 cm
B 6 cm
C 9 cm
D 12 cm
What does the underlined word mean in the following sentence?The old man's house, badly in need of paint, was leaning to one side and had holes in the roof, but one side and had holes in the roof, but
A poorly built
B old-fashioned
C run down
D dirty
The lower edge of the pitched roof, from where the rain water of the roof surface drops down, is known as
A Hip
B Gable
C Ridge
D Eaves
Mansard roof is a roof which slopes in
A Two directions without break in the slope on each side
B Two directions with break in the slope on each side
C Four directions without break in the slope on each side
D Four directions with break in the slope on each side
The opening provided in sloping roof with its top parallel to the roof surface, is called
A Dormer window
B Sky light window
C Lantern window
D Louvered window
The slab is designed as one way if the ratio of long span to short span is
A Less than 1
B Between 1 and 1.5
C Between 1.5 and 2
D Greater than 2
At roof slab level over the DPC, __________ are provided.
A Tiles
B Concrete
C P.C.C
D Rubber sheet
If the main reinforcement of the slab is parallel to a T-beam, the transverse reinforcement at mid span of the slab is provided at least __________ of main reinforcement.
A 40%
B 50%
C 60%
D 70%
If ‘W’ is the load on a circular slab of radius ‘R’, the maximum radial moment at the centre of the slab, is
A $$\frac{{{\text{W}}{{\text{R}}^2}}}{{16}}$$
B $$\frac{{2{\text{W}}{{\text{R}}^2}}}{{16}}$$
C $$\frac{{3{\text{W}}{{\text{R}}^2}}}{{16}}$$
D $$\frac{{5{\text{W}}{{\text{R}}^2}}}{{16}}$$

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