The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of

For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than

A

15 mm

B

25 mm

C

30 mm

D

40 mm

The minimum cover in a slab should neither be less than the diameter of bar nor less than

A

10 mm

B

15 mm

C

25 mm

D

13 mm

In a cricket season, Bangladesh defeated Australia twice, West Indies defeated Bangladesh twice, Australia defeated West Indies twice , Bangladesh defeated New Zealand twice, West Indies defeated New Zealand twice. Which country has lost most number of times ?

A

Bangladesh

B

Australia

C

New Zealand

D

West Indies

The ratio of the diameter of reinforcing bars and the slab thickness is

A

$$\frac{1}{4}$$

B

$$\frac{1}{5}$$

C

$$\frac{1}{6}$$

D

$$\frac{1}{8}$$

For the supply of materials for concrete, form work reinforcing and placing of concrete, removal of form work and curing of concrete, number of bar(s) required on bar chart, is

A

1

B

2

C

3

D

4

For a cylindrical shell, (subject to the thickness of uppermost course being more than the minimum for diaofthe tank in question), the thickness of the courses of shell

A

Decreases upwards

B

Increases upwards

C

Remains same throughout

D

May decrease or increase upwards depending upon whether vacuum or positive pressure would be maintained inside the shell

When a bar of length '$$l$$' and diameter 'd' is rigidly fixed at the upper end and hanging freely, then the total elongation produced in the bar due to its own weight is (where w = Weight per unit volume of the bar)

A

$$\frac{{{\text{w}}l}}{{2{\text{E}}}}$$

B

$$\frac{{{\text{w}}{l^2}}}{{2{\text{E}}}}$$

C

$$\frac{{{\text{w}}{l^3}}}{{2{\text{E}}}}$$

D

$$\frac{{{\text{w}}{l^4}}}{{2{\text{E}}}}$$

A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?

A

Civics and 7th

B

Economics and 5th

C

Civics and 6th

D

History and 7th

B is twice as old as A but twice younger than F. C is half the age of A but is twice older than D. Who is the second oldest ?

A

B

F

C

D

All legislative subject are mentioned in three lists union list, concurrent list and state list. Any subject is not mentioned in all three list, the law on that particular subject can be framed by-

A

Parliament only

B

State Legislature only

C

1 and 2

D

Neither 1 nor 2

The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of

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