High pressure grouting is generally restored for concreting in the lining if the rock strata is:

If L is total length of a canal in kilometers, P is total perimeter of its lining in metres and C is the cost of lining per square metre, the additional expenditure involved on lining, is

A

$$1000\,{\text{PLC}}$$

B

$$\frac{{{\text{PLC}}}}{{1000}}$$

C

$$\frac{{{\text{PL}}}}{{1000{\text{C}}}}$$

D

$$\frac{{{\text{PC}}}}{{100{\text{L}}}}$$

The skin, the lining of the mouth, the lining of the blood vessels, lung alveoli and kidney tubules are all made of which type of tissue?

A

Epithelial tissue

B

Connective tissue

C

Muscular tissue

D

Nervous tissue

The recommended grade of tar for grouting purpose is

A

RT-1

B

RT-2

C

RT-3

D

RT-5

For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be

A

0.75 - 0.80

B

0.80 - 0.85

C

0.85 - 0.92

D

Above 0.92

For under water concreting.

A

At least 10 percent more cement is required as compared to dry conditions

B

The volume of coarse aggregates shall not be less than one and half times and not more than twice that of fine aggregate

C

De-watering by pumping is not done or until 24 hours thereafter

D

All the above

In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.

A

Equal to

B

Less than

C

More than

D

None of these

Read the following sentences: (i) The authority of the Pope was destroyed. (ii) The authority of the Pope was restored (iii) The authority of the Pope was temporarily suspended. Which sentence (s) means (mean) that the Pope can now do things which he could not do for some time?

A

(i)

B

(ii)

C

(iii)

D

Both (ii) and (iii)

The US congress restored the medal of Honor that was first presented in 1965 to a woman ___ name few of us have heard.

A

which

B

who

C

whose

D

whom

A business man buys a pen for Tk. 25.00. He spends Tk.15.00 to have it restored to good condition and then sells the same for Tk. 50.00. The percentage of profit on his total investment is

A

20%

B

25%

C

40%

D

100%

সমাজবিজ্ঞানে Strata শব্দটি দ্বারা কী বোঝানো হয়?

A

মাটি ও শিলার স্তর

B

সামাজিক স্তরবিন্যাস

C

সমাজকাঠামো

D

সামাজিক বৈষম্য

High pressure grouting is generally restored for concreting in the lining if the rock strata is:

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