Question 1

The pressure of water in a pond at the depth of 4 m is 3 kg/cm$^2$. What is the pressure of water at 8 m depth?

Accepted Answer

6 kg/cm$^2$

Answer

12 kg/cm$^2$

Answer

3 kg/cm$^2$

Answer

1.5 kg/cm$^2$

Question 2

In a lever of first order; load=W, effort=P and fulcrum=F are oriented as follows

Accepted Answer

F between W and P

Answer

None of these

Answer

W between F and P

Answer

P between W and F

Question 3

Density of water is maximum at

Accepted Answer

4 $^o$C

Answer

96 $^o$C

Answer

0 $^o$C

Answer

100 $^o$C

Question 4

In a self locking machine

Accepted Answer

efficiency<50%

Answer

efficiency = 100%

Answer

efficiency>50%

Answer

efficiency=50%

Question 5

Strain in the direction at right angles to the direction of applied force is known as

Accepted Answer

lateral strain

Answer

shear strain

Answer

None of these

Answer

volumetric strain

Question 6

In a triangle ABC, the two side lengths are a=2 cm, b= 4 cm and angle between them is 30 deg. Then the area of the triangle is

Accepted Answer

2 cm$^2$

Answer

4 cm$^2$

Answer

8 cm$^2$

Answer

16 cm$^2$

Question 7

The perimeter of a rectangle is 10 cm and the area is 6 cm$^2$. Then the length of longer side is

Accepted Answer

3 cm

Answer

2 cm

Answer

8 cm

Answer

10 cm

Question 8

The base area of a hemisphere is 10 cm$^2$. Then the total surface area is

Accepted Answer

30 cm$^2$

Answer

20 cm$^2$

Answer

10 cm$^2$

Answer

40 cm$^2$

Question 9

Volume of a square prism of base side 2 m and height 10 m is

Accepted Answer

40 m$^3$

Answer

4 m$^3$

Answer

40 m$^2$

Answer

400 m$^3$

Question 10

Circumferecnce of a circle of radius 14 m is

Accepted Answer

88 m

Answer

28 m

Answer

41 m

Answer

42 m

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