Rise of water table in cohesionless soils upto ground surface reduces the net ultimate bearing capacity approximately by

In case of foundations on black cotton soils, the most suitable method to increase the bearing capacity of soils is to

A

Increase the depth of foundation

B

Drain the soil

C

Compact the soil

D

Replace the poor soil

When they had a meeting seven company executives __ T, U, V, W, X, Y and Z ___ sit at a rectangular table .Three executives sit along one side of the table , and three sit along the other side, each directly opposite one of the other three. The seventh sits at the head of the table . There is no seat at the foot of the table . Ualways sits in one of te two seats farthest from the head of the table. Y and V always sit next to each other .V never sits next to Z . If Z does not sit at the head of the table, W sits there. If W sits directly opposite T, X must sit next to which of the following excutives?

A

T

B

U

C

V

D

Z

The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing

A

cohesion and effective angle of shearing resistance

B

cohesion and effective unit weight of soil

C

effective unit weight of soil and effective angle of shearing resistance

D

effective angle of shearing resistance

The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing and R = Radius of bearing surface)

A

$$\frac{1}{2}$$μWR

B

$$\frac{2}{3}$$μWR

C

$$\frac{3}{4}$$μWR

D

μWR

If the water table rises upto ground surface, then the

A

effective stress is reduced due to decrease in total stress only but pore water pressure does not change

B

effective stress is reduced due to increase in pore water pressure only but total stress does not change

C

total stress is reduced due to increase in pore water pressure only but effective stress does not change

D

total stress is increased due to decrease in pore water pressure but effective stress does not change

When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus.

A

10 times

B

5 times

C

15 times

D

20 times

If p = bearing pressure on projected bearing area, Z = absolute viscosity of lubricant and N = speed of journal, then the bearing characteristic number is given by

A

$$\frac{{{\text{ZN}}}}{{\text{p}}}$$

B

$$\frac{{\text{p}}}{{{\text{ZN}}}}$$

C

$$\frac{{\text{Z}}}{{{\text{pN}}}}$$

D

$$\frac{{\text{N}}}{{{\text{Zp}}}}$$

The price of sugar increases by 32%. A family reduces its consumption so that expenditure of the sugar is up by 10% only. If the total consumption of sugar before the price rise was 10 kg per month, then the consumption of sugar per month is approximately-

A

8.33 kg

B

8.5 kg

C

8.35 kg

D

8.73 kg

Rise of water table above the ground surface causes

A

Equal increase in pore water pressure and total stress

B

Equal decrease in pore water pressure and total stress

C

Increase in pore water pressure but decrease in total stress

D

Decrease in pore water pressure but increase in total stress

Six arms negotiators -- M,O,P,R,S and T-- are to be seated at a round table to discuss disarmament. There are exactly six chairs around the table. Each negotiator sits facing the center of the table and is directly opposite a negotiators across the table.The seating arrangement is subject to the following restrictions : T cannot sit next to P;S cannot sit next to M;R must sit next to M. Which of the following is an acceptable sequence of negotiators around the table ?

A

M,S,R,T,P,O

B

M,S,T,P,R,O

C

T,O,P,S,M,R

D

T,R,M,P,S,O

Rise of water table in cohesionless soils upto ground surface reduces the net ultimate bearing capacity approximately by

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